Input signal:
Serial time string, PPS
mains frequency, 70 - 270 V AC, 50Hz or 60Hz
Interface:
Two asynchronous serial RS-232 ports, COM0 and COM1
Baudrate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Baud
Framing: 7N2, 7E1, 7E2, 8N1, 8N2, 8E1, 7O2
output and average: once per second or 100ms
Output string:
The frequency, frequency deviation, reference time, power line time
and the time deviation are send out in different available formats.
The formats are:
STANDARD FDM String:
F:49.984 FD:-00.016 REF:15:03:30 PLT:15:03:30.368 TD:+00.368[CR][LF]
SHORT FDM String:
FD:-00.016 TD:+00.368[CR][LF]
AREVA FDM String:
[STX]
02049.984[CR][LF]
021-00.016[CR][LF]
022+00.378[CR][LF]
02315 03 30.368[CR][LF]
024068 15 03 30 [CR][LF]
[ETX]
Resolution of
Measurement:
frequency: accuracy the oscillator (10 MHz) +-100
µ
Hz
time deviation: accuracy of reference (PPS) +- 1ms
Analog outputs:
2 analog outputs for longtime-recording (time deviation and/or frequency deviation),
range: -2.5 V ... +2.5 V, resolution: 16 Bit
Electrical connectors:
96-pin VG-rail DIN 41612
Power supply:
+5 V DC
Current consumption:
0.4 A - 1 A
More detailed information about FDM - Frequency Deviation Monitoring can be found in the current LANTIME
firmware manual, chapter "LTOS6 Management and Monitoring
→
FDM".
150
Date: 27th May 2021
IMS - LANTIME M4000
