3.2
Trip/Close Circuit Supervision (74TCS, 74CCS)
Voltage Inputs:
Current Inputs:
Disable:
Map Pickup LED:
The T/CCS-n Delay can be initiated by applying an inversion to the relevant status input and measured by
monitoring of the alarm output.
TCS-n Delay setting
CCS-n Delay setting
©2015 Siemens Protection Devices Limited
Chapter 6) 7SR242 Duobias Commissioning & Maintenance Guide
Figure 3-2 Trip Circuit Supervision
n/a
n/a
74TCS-n/74CCS-n - Self Reset
Measured
Measured
Chapter 6 Page 53 of 62