Rockwell Automation T3151 ICS Regent Real time Clock Communications Modules - Manual (Page 13)

Real-Time Clock Communications Modules (T3151)
P D - 6 0 0 3 M a r - 0 6
13
Specifications
Power Requirements No external power required
(powered by triplicated
processor modules)
Number of Serial Ports Two
Serial Port Type RS-232
Baud Rates 300 to 19,200
Communications Protocols Regent R2
Modbus RTU
ASCII Output
Guarded Peer-Link
Serial Port Connector
Module:
Cable:
DB-25, female
DB-25, male
Real-Time Clock
Resolution:
Accuracy:
Date:
Time:
Clock Set:
1 millisecond, read once per
application program scan
20 to 40 ppm (10 to 20
minutes per year)
Year, month, day of month,
day of week
Hour, minute, second,
millisecond
Communications device or
application program
Battery Type Li/SO2
Battery Life
Under Load:
Shelf Life:
6 months
10 years
Isolation Serial signal ground is
common with logic signal
ground
Heat Dissipation 7 Watts, 24 BTUs/hour