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Frequently Asked Questions (FAQs)


FAQ ID Product Description
FAQ300500SER-3200/2408What is the difference between models SER-3200 and SER-2408?
Both CyTime Sequence of Events Recorders, models SER-3200 and SER-2408, share a common feature set. Model SER-3200 has 32 high-speed digital inputs for event recording. Model SER-2408 has 24 inputs a... Read more
FAQ300510SER-3200/2408Where can I find details on the Modbus TCP interface for CyTime SER-3200/2408?
The Modbus TCP interface for CyTime Sequence of Events Recorders, models SER-3200 and SER-2408, is described in detail in the CyTime SER Reference Guide, doc no IB-SER-01. The Reference Guide includes... Read more
FAQ300520SER-3200/2408Do I need an EZC connector with my SER-3200/2408?
The answer depends on your application and the time-sync method you are using. Here are some possible cases:
1) Time-sync via IRIG-B: you need one EZC-IRIG-B connector per SER.
2) Time-s... Read more
FAQ300550SER-3200/2408Why does the CyTime SER show the year as 2000 when it has a valid IRIG-B time source?
CyTime SER-3200/2408 Event Recorders require the complete IRIG-B time code, including the year. The current IRIG-B standard (2004) includes the year as part of the IRIG-B time code, but prior to this ... Read more
FAQ300560SER-3200/2408Why does the CyTime SER show the Time Quality as 2: Poor (> 50 ms) even with a valid NTP time source?
This descriptive text (2:Poor) was used in firmware versions v2.11 and earlier, even for a valid NTP time source. The accuracy of NTP time sync depends on external factors; therefore, the SER uses onl... Read more
FAQ300580SER-3200/2408How can I update the CyTime SER to the latest firmware?
The CyTime SER-3200/2408 (all models) can benefit from a firmware update. The update can be performed over a network, and typically takes about 10 minutes. The latest firmware is available for free fr... Read more
FAQ300590SER-3200/2408Is there a way to access the CyTime SER's serial number electronically (e.g., via its web interface or Modbus TCP)?
Yes. For units with date of manufacture (DOM) of 05-2016 or later (firmware version v.2.11 or later), the serial number of a CyTime SER-3200/2408 Event Recorder is reported on its Diagnostics web page... Read more
FAQ300595SER-3200/2408Why does the CyTime SER show an incorrect serial number (9999) on the LCD screen and Diagnostics web page?
This is an indication that an older unit was updated to a newer firmware release, but the older version did not report serial number at the time of its manufacture. This feature was added in a subsequ... Read more
FAQ300730SER-3200/2408Is there a delay associated with the trigger output after an event is detected?
No. There is no intentional delay following an event and the trigger output. The trigger output contact is a momentary closure with duration of 100ms, initiated within the same millisecond interval at... Read more
FAQ300765SER-3200/2408How can I time-sync an ION7550 or ION7650 meter from Schneider Electric?
The CyTime Sequence of Events Recorder SER-3200/2408 can serve as a time-sync master for ION7550/7650 meters from Schneider Electric. The CyTime SER accepts either IRIG-B or DCF77 as its time source a... Read more
FAQ300766SER-3200/2408How can I time-sync a Siemens 9510 or 9610 meter?
The CyTime Sequence of Events Recorder SER-3200/2408 can serve as a time-sync master for 9510/9610 meters from Siemens. The CyTime SER accepts either IRIG-B or DCF77 as its time source and can be conf... Read more
FAQ300775SER-3200/2408How can I replace an existing ProTime Event Recorder with a CyTime SER-3200?
ProTime Event Recorders (Monaghan Engineering) can usually be upgraded in the field to CyTime SER-3200 with little or no changes to existing wiring. If the ProTime uses 24Vdc for inputs and control po... Read more
FAQ300800SER-3200/2408What is Time Quality and why is it important?
Time quality is a standardized indication of fidelity associated with a time-stamp. If an SER device is properly synchronized with a GPS time source, then the Time Quality is said to be "Good". If t... Read more
FAQ300900SER-3200/2408A competitor claims time-sync accuracy to 10 nanoseconds. What is Cyber Sciences response?
When a GPS clock vendor expresses its accuracy as 10 or 100 nanoseconds (with respect to UTC), this applies to the GPS receiver/clock alone. This is independent of the means to distribute the time si... Read more
FAQ301150SER-3200/2408How can I clear the event log on an SER-3200 (or SER-2408)?
You can clear the SER events log using the Modbus "Command Interface" described in the Reference Guide. Briefly, this requires writing a value of 4210 to register 408001 and a value of 1 to register ... Read more
FAQ ID Product Description
FAQ500100STR-100Does the STR-100 accept Modulated IRIG-B input or Unmodulated IRIG-B input?
The STR-100 accepts modulated IRIG-B (via side BNC connector) or GPS input from a Trimble Acutime GG smart antenna or equivalent. Modulated IRIG-B is also known as Amplitude Modulated IRIG-B (Codes B1... Read more
FAQ500108STR-100If GPS source for the STR-100 is Modulated IRIG-B, do I need to set the year?
Yes. Prior to 2004, the IRIG standard did not include the year in the date/time string. To ensure correct output of the full date/time in its DCF77 output, you must use the terminal interface (serial ... Read more
FAQ500109STR-100If I use IRIG-B for time source to the STR-100, do I have to re-enter the year on every year?
No. The STR-100 automatically updates the year during the first second of the new year, provided it is powered-on and operational at that time.
FAQ500250STR-100Which models of Acutime GPS antenna are compatible with the STR-100?
The STR-100 and STR-100/IRIG-B have been tested with the Trimble Acutime GG GPS antenna, as well as its predecessors, Acutime Gold and Acutime 2000. The latest version of this antenna is now Acutime 3... Read more
FAQ500500STR-100Does the STR-100 require a HyperTerminal connection in order to run?
No. The STR can operate without a HyperTerminal (or equivalent) connection. HyperTerminal is used only to change STR setup parameters. If default values are acceptable for your installation, then no s... Read more
FAQ500585STR-100If the GPS source is an Acutime antenna, do I need to set the year in the STR-100?
No. The STR gets the year from the antenna. The year setup parameter is used only with IRIG-B input.
FAQ500590STR-100Do I need to set the local time offset and the Daylight Saving Time table in the STR-100?
No. These adjustments are optional. Without these adjustments, the STR-100 will simply output date/time in terms of Coordinated Universal Time (UTC). In fact, Cyber Sciences recommends that most time... Read more
FAQ500593STR-100When I enter values into the Daylight Saving Time table, do I use Standard or Daylight Saving Time?
Use Standard Time values for both entries. For example, if Daylight Saving Time starts at 2:00 a.m. US CST and ends at 2:00 a.m. CDT, then the start time would be entered as 2:00:00 and the stop time ... Read more
FAQ500750STR-100Can IRIG-B and Acutime GPS antenna sources both be connected to the STR-100?
Yes. The STR first checks for a valid signal from the Acutime antenna. When both sources are connected and functioning, the antenna will be selected when the STR starts up. If the antenna is not outpu... Read more
FAQ500770STR-100Why would I ever need to change the Acutime antenna self-survey parameters?
You would configure them if you want the antenna to come up quickly after a power loss. The recommended value of 600 will allow the antenna to synchronize about three to four times faster than the fac... Read more
FAQ500785STR-100How long does it take the STR-100 (or STR-100/IRIG-B) to operate on power-up or after a reset?
It usually takes just a few minutes. In most cases, the STR will start generating the DCF77 output signal at the top of the next minute following synchronization with a GPS source. If after 10 minutes... Read more
FAQ500812STR-100Can I connect twisted pair cable instead of coax to the BNC connector on the STR-100?
Yes. Pomona makes a BNC-to-screw-terminals adapter that is compatible with the STR. The Pomona part number is 1296 and can be purchased from many electronics distributors.
FAQ500875STR-100Do I have to reset STR parameters after a power loss?
No. The STR parameters are stored in non-volatile memory.
FAQ500880STR-100Do I have to reset the Acutime antenna parameters after a power loss?
No. When antenna parameters are changed through the STR, the antenna is instructed to store the parameters in its non-volatile (EEPROM) memory.
FAQ500891STR-100What could cause the STR-100 to stop generating DCF77 output?
There is a watchdog timer that goes off when the GPS time-source input signal is lost for five seconds or more. This could happen, for example, when the antenna does not have a fix on at least one sat... Read more
FAQ500940STR-100Why is the PowerLogic circuit monitor not getting the correct time, even though the DCF77 signal is valid?
The PowerLogic Circuit Monitor (series CM4000) requires the correct year to be set prior to accepting a time-sync input. If the circuit monitor is set to a value for present year that differs from tha... Read more
FAQ500941STR-100Why is the PowerLogic circuit monitor clock off by exactly 100 ms?
The PowerLogic Circuit Monitor (series CM4000) may show a time value that is exactly off by 100ms if the polarity of the DCF77 signal is reversed, thus causing the meter to sync to the trailing edge o... Read more
FAQ500950STR-100How can I use the STR-100 to time-sync Power Xpert meters from Eaton?
The STR-100 outputs standard DCF77 time protocol to sync Power Xpert meters (PXM 4000/6000/8000) from Eaton. Each STR-100 can support up to 32 PowerXpert meters, 16 meters per STR-100 channel. PowerXp... Read more
FAQ500955STR-100How can I use the STR-100 to time-sync Sepam relays from Schneider Electric?
The STR-100 can be configured to output 1 sync pulse every 10 seconds (1per10) to give Sepam relays from Schneider Electric a precise on-time mark. This is output over STR-100 channel 2 to up to 16 Se... Read more
FAQ ID Product Description
FAQ801200CNV-100What baud rates are supported by the CNV-100?
In general, the CNV-100 can be used with any ASCII-based protocol that adheres to the RS-485 standard at baud rates of 9600, 19.2k or 38.4k bps. No setup is required.
FAQ801220CNV-100What power supply is recommended for the CNV-100?
The CNV-100 is UL-listed for operation with a 24Vdc Class II isolated power supply. For best results, Cyber Sciences recommends using a 24Vdc Class II isolated power supply, rated 15 watts, dedicated... Read more
FAQ801250CNV-100Can the CNV-100 be used to connect a 4-wire master to a 2-wire device?
Yes, the CNV-100 RS-485 2-wire to 4-wire converter can connect a 2-wire master to 4-wire devices or a 4-wire master to 2-wire devices. The CNV-100 simply responds to transmissions at one end and refle... Read more
FAQ ID Product Description
FAQ100100AllWhere can I find Cyber Sciences white papers (Tech Notes)?
All Cyber Sciences' white papers (called Tech Notes) are included in the Technical Library, accessible from the main menu under Support. Popular topics include SER system architectures, GPS time-sync... Read more
FAQ300500SER-3200/2408What is the difference between models SER-3200 and SER-2408?
Both CyTime Sequence of Events Recorders, models SER-3200 and SER-2408, share a common feature set. Model SER-3200 has 32 high-speed digital inputs for event recording. Model SER-2408 has 24 inputs a... Read more
FAQ300510SER-3200/2408Where can I find details on the Modbus TCP interface for CyTime SER-3200/2408?
The Modbus TCP interface for CyTime Sequence of Events Recorders, models SER-3200 and SER-2408, is described in detail in the CyTime SER Reference Guide, doc no IB-SER-01. The Reference Guide includes... Read more
FAQ300520SER-3200/2408Do I need an EZC connector with my SER-3200/2408?
The answer depends on your application and the time-sync method you are using. Here are some possible cases:
1) Time-sync via IRIG-B: you need one EZC-IRIG-B connector per SER.
2) Time-s... Read more
FAQ300550SER-3200/2408Why does the CyTime SER show the year as 2000 when it has a valid IRIG-B time source?
CyTime SER-3200/2408 Event Recorders require the complete IRIG-B time code, including the year. The current IRIG-B standard (2004) includes the year as part of the IRIG-B time code, but prior to this ... Read more
FAQ300560SER-3200/2408Why does the CyTime SER show the Time Quality as 2: Poor (> 50 ms) even with a valid NTP time source?
This descriptive text (2:Poor) was used in firmware versions v2.11 and earlier, even for a valid NTP time source. The accuracy of NTP time sync depends on external factors; therefore, the SER uses onl... Read more
FAQ300580SER-3200/2408How can I update the CyTime SER to the latest firmware?
The CyTime SER-3200/2408 (all models) can benefit from a firmware update. The update can be performed over a network, and typically takes about 10 minutes. The latest firmware is available for free fr... Read more
FAQ300590SER-3200/2408Is there a way to access the CyTime SER's serial number electronically (e.g., via its web interface or Modbus TCP)?
Yes. For units with date of manufacture (DOM) of 05-2016 or later (firmware version v.2.11 or later), the serial number of a CyTime SER-3200/2408 Event Recorder is reported on its Diagnostics web page... Read more
FAQ300595SER-3200/2408Why does the CyTime SER show an incorrect serial number (9999) on the LCD screen and Diagnostics web page?
This is an indication that an older unit was updated to a newer firmware release, but the older version did not report serial number at the time of its manufacture. This feature was added in a subsequ... Read more
FAQ300730SER-3200/2408Is there a delay associated with the trigger output after an event is detected?
No. There is no intentional delay following an event and the trigger output. The trigger output contact is a momentary closure with duration of 100ms, initiated within the same millisecond interval at... Read more
FAQ300765SER-3200/2408How can I time-sync an ION7550 or ION7650 meter from Schneider Electric?
The CyTime Sequence of Events Recorder SER-3200/2408 can serve as a time-sync master for ION7550/7650 meters from Schneider Electric. The CyTime SER accepts either IRIG-B or DCF77 as its time source a... Read more
FAQ300766SER-3200/2408How can I time-sync a Siemens 9510 or 9610 meter?
The CyTime Sequence of Events Recorder SER-3200/2408 can serve as a time-sync master for 9510/9610 meters from Siemens. The CyTime SER accepts either IRIG-B or DCF77 as its time source and can be conf... Read more
FAQ300775SER-3200/2408How can I replace an existing ProTime Event Recorder with a CyTime SER-3200?
ProTime Event Recorders (Monaghan Engineering) can usually be upgraded in the field to CyTime SER-3200 with little or no changes to existing wiring. If the ProTime uses 24Vdc for inputs and control po... Read more
FAQ300800SER-3200/2408What is Time Quality and why is it important?
Time quality is a standardized indication of fidelity associated with a time-stamp. If an SER device is properly synchronized with a GPS time source, then the Time Quality is said to be "Good". If t... Read more
FAQ300900SER-3200/2408A competitor claims time-sync accuracy to 10 nanoseconds. What is Cyber Sciences response?
When a GPS clock vendor expresses its accuracy as 10 or 100 nanoseconds (with respect to UTC), this applies to the GPS receiver/clock alone. This is independent of the means to distribute the time si... Read more
FAQ301150SER-3200/2408How can I clear the event log on an SER-3200 (or SER-2408)?
You can clear the SER events log using the Modbus "Command Interface" described in the Reference Guide. Briefly, this requires writing a value of 4210 to register 408001 and a value of 1 to register ... Read more
FAQ500100STR-100Does the STR-100 accept Modulated IRIG-B input or Unmodulated IRIG-B input?
The STR-100 accepts modulated IRIG-B (via side BNC connector) or GPS input from a Trimble Acutime GG smart antenna or equivalent. Modulated IRIG-B is also known as Amplitude Modulated IRIG-B (Codes B1... Read more
FAQ500108STR-100If GPS source for the STR-100 is Modulated IRIG-B, do I need to set the year?
Yes. Prior to 2004, the IRIG standard did not include the year in the date/time string. To ensure correct output of the full date/time in its DCF77 output, you must use the terminal interface (serial ... Read more
FAQ500109STR-100If I use IRIG-B for time source to the STR-100, do I have to re-enter the year on every year?
No. The STR-100 automatically updates the year during the first second of the new year, provided it is powered-on and operational at that time.
FAQ500250STR-100Which models of Acutime GPS antenna are compatible with the STR-100?
The STR-100 and STR-100/IRIG-B have been tested with the Trimble Acutime GG GPS antenna, as well as its predecessors, Acutime Gold and Acutime 2000. The latest version of this antenna is now Acutime 3... Read more
FAQ500500STR-100Does the STR-100 require a HyperTerminal connection in order to run?
No. The STR can operate without a HyperTerminal (or equivalent) connection. HyperTerminal is used only to change STR setup parameters. If default values are acceptable for your installation, then no s... Read more
FAQ500585STR-100If the GPS source is an Acutime antenna, do I need to set the year in the STR-100?
No. The STR gets the year from the antenna. The year setup parameter is used only with IRIG-B input.
FAQ500590STR-100Do I need to set the local time offset and the Daylight Saving Time table in the STR-100?
No. These adjustments are optional. Without these adjustments, the STR-100 will simply output date/time in terms of Coordinated Universal Time (UTC). In fact, Cyber Sciences recommends that most time... Read more
FAQ500593STR-100When I enter values into the Daylight Saving Time table, do I use Standard or Daylight Saving Time?
Use Standard Time values for both entries. For example, if Daylight Saving Time starts at 2:00 a.m. US CST and ends at 2:00 a.m. CDT, then the start time would be entered as 2:00:00 and the stop time ... Read more
FAQ500750STR-100Can IRIG-B and Acutime GPS antenna sources both be connected to the STR-100?
Yes. The STR first checks for a valid signal from the Acutime antenna. When both sources are connected and functioning, the antenna will be selected when the STR starts up. If the antenna is not outpu... Read more
FAQ500770STR-100Why would I ever need to change the Acutime antenna self-survey parameters?
You would configure them if you want the antenna to come up quickly after a power loss. The recommended value of 600 will allow the antenna to synchronize about three to four times faster than the fac... Read more
FAQ500785STR-100How long does it take the STR-100 (or STR-100/IRIG-B) to operate on power-up or after a reset?
It usually takes just a few minutes. In most cases, the STR will start generating the DCF77 output signal at the top of the next minute following synchronization with a GPS source. If after 10 minutes... Read more
FAQ500812STR-100Can I connect twisted pair cable instead of coax to the BNC connector on the STR-100?
Yes. Pomona makes a BNC-to-screw-terminals adapter that is compatible with the STR. The Pomona part number is 1296 and can be purchased from many electronics distributors.
FAQ500875STR-100Do I have to reset STR parameters after a power loss?
No. The STR parameters are stored in non-volatile memory.
FAQ500880STR-100Do I have to reset the Acutime antenna parameters after a power loss?
No. When antenna parameters are changed through the STR, the antenna is instructed to store the parameters in its non-volatile (EEPROM) memory.
FAQ500891STR-100What could cause the STR-100 to stop generating DCF77 output?
There is a watchdog timer that goes off when the GPS time-source input signal is lost for five seconds or more. This could happen, for example, when the antenna does not have a fix on at least one sat... Read more
FAQ500940STR-100Why is the PowerLogic circuit monitor not getting the correct time, even though the DCF77 signal is valid?
The PowerLogic Circuit Monitor (series CM4000) requires the correct year to be set prior to accepting a time-sync input. If the circuit monitor is set to a value for present year that differs from tha... Read more
FAQ500941STR-100Why is the PowerLogic circuit monitor clock off by exactly 100 ms?
The PowerLogic Circuit Monitor (series CM4000) may show a time value that is exactly off by 100ms if the polarity of the DCF77 signal is reversed, thus causing the meter to sync to the trailing edge o... Read more
FAQ500950STR-100How can I use the STR-100 to time-sync Power Xpert meters from Eaton?
The STR-100 outputs standard DCF77 time protocol to sync Power Xpert meters (PXM 4000/6000/8000) from Eaton. Each STR-100 can support up to 32 PowerXpert meters, 16 meters per STR-100 channel. PowerXp... Read more
FAQ500955STR-100How can I use the STR-100 to time-sync Sepam relays from Schneider Electric?
The STR-100 can be configured to output 1 sync pulse every 10 seconds (1per10) to give Sepam relays from Schneider Electric a precise on-time mark. This is output over STR-100 channel 2 to up to 16 Se... Read more
FAQ801200CNV-100What baud rates are supported by the CNV-100?
In general, the CNV-100 can be used with any ASCII-based protocol that adheres to the RS-485 standard at baud rates of 9600, 19.2k or 38.4k bps. No setup is required.
FAQ801220CNV-100What power supply is recommended for the CNV-100?
The CNV-100 is UL-listed for operation with a 24Vdc Class II isolated power supply. For best results, Cyber Sciences recommends using a 24Vdc Class II isolated power supply, rated 15 watts, dedicated... Read more
FAQ801250CNV-100Can the CNV-100 be used to connect a 4-wire master to a 2-wire device?
Yes, the CNV-100 RS-485 2-wire to 4-wire converter can connect a 2-wire master to 4-wire devices or a 4-wire master to 2-wire devices. The CNV-100 simply responds to transmissions at one end and refle... Read more