Figure 2 t8891 overview, Trusted, Speed monitor ofta t8891 – Rockwell Automation T8891 Trusted Speed Monitor OFTA (SOFTA) User Manual
Page 10
Trusted
TM
Speed Monitor OFTA T8891
Issue 2 Mar 07
PD-T8891
10
Contact Status
Feedback
HD
5
HD
6
HD
1
Over-Speed Trip
Relay Drive A
HD
2
HD1/1
HD2/1
HD5/1
HD6/1
Current
Sensor
Current
Sensor
Over-Speed Channel
Load Current Feedback (1)
Over-Speed Channel
Load Current Feedback (2)
Over-Speed Trip
Relay Drive B
Over-Speed Trip
Relay Drive C
Over-Speed Trip
Relay Drive D
Over-Speed Trip Contact N/O
Over-Speed Trip Contact N/C
+15V dc (1)
-15V dc (1)
0V Return
HD
7
HD
8
HD
3
HD
4
HD3/1
HD4/1
HD7/1
HD8/1
Current
Sensor
Current
Sensor
Over-Acceleration Trip
Relay Drive A
Over-Acceleration Trip
Relay Drive B
Over-Acceleration Trip
Relay Drive C
Over-AccelerationTrip
Relay Drive D
Over-Acceleration Channel
Load Current Feedback (1)
Over-Acceleration Channel
Load Current Feedback (2)
Over-Speed Trip Contact N/C
Over-Speed Trip Contact N/O
Over-Acceleration Trip Contact N/O
Over-Acceleration Trip Contact N/C
SK1/17
SK1/16
SK1/1
SK1/2
SK1/4
SK1/9
SK1/3
SK1/8
SK1/15
SK1/6
SK1/5
SK1/11
SK1/13
SK1/10
SK1/12
SK1/7
SK1/20
SENSE1 +VE
SENSE2 +VE
SENSE3 +VE
SENSE4 +VE
SENSE1 -VE
SENSE2 -VE
SENSE3 -VE
SENSE4 -VE
SK1/19
SK1/18
SK1/14
Spare
SK2/1
SK2/2
SK2/3
SK2/4
SK3/1
SK3/2
SK3/3
SK3/4
Over-Acceleration Trip Contact N/C
Over-Acceleration Trip Contact N/O
+15V dc (2)
-15V dc (2)
0V Return
HD4/2
HD8/2
HD7/2
HD3/2
HD2/2
HD6/2
HD5/2
HD1/2
SENSE1
SENSE3
SENSE4
SENSE2
F3
F2
F7
F6
F8
F5
F4
F1
Figure 2 T8891 Overview