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Technical Data
7.7 Time Synchronization
7.8 Environmental Conditions
7.9 Shock and Vibration
7.10 Mechanical Data
7.11 Cleaning
To clean CMC 850, use a cloth dampened with isopropanol alcohol. Prior to cleaning, always switch
off the power switch and unplug the external power supply unit.
IRIG-B synchronization with CMIRIG-B,
timing accuracy (LL out) Typical error: < 1 μs.; guaranteed: < 5 μs.
GPS synchronization with CMGPS,
1
timing accuracy (LL out)
1. The CMGPS Synchronization Unit is a meanwhile discontinued product. For questions about its successor CMGPS 588 contact the
OMICRON Technical Support or visit our website.
IEEE 1588-2008 (V2) supported profiles:
• IEEE 37.238-2011 (Power Profile)
• IEC/PAS 61850-9-3: Communication Networks and Systems for Power Utility Automation - Part
9-3: Precision Time Protocol Profile for Power Utility Automation (Utility Profile).
Typical error: < 1 μs; guaranteed: < 5 μs.
Network Time Protocol (NTP) NTP version 4
Precision Time Protocol (PTP) Slave node according to IEEE 1588-2008 (V2).
Operation temperature 0 °C ... +50 °C (+ 32 °F ... + 122 °F)
Storage and transportation temperature -25 °C ... +70 °C (-13 °F ... +158 °F)
Humidity 5 % … 95 % relative humidity; no condensation.
Climate Tested according to IEC 68-2-78
Vibration Tested according to IEC 60068-2-6; frequency range
10 Hz ... 150 Hz; acceleration 2 g continuous (20 m/s²);
10 cycles per axis.
Shock Tested according to IEC 60068-2-27;
15 g / 11 ms, half-sinusoid, each axis.
Weight 1.7 kg (3.7 lbs)
Dimensions W x H x D 85 mm x 145 mm x 325 mm (3.3 ” x 5.7 ” x 12.8 ”)
Housing IP20 according to EN 60529.
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