7SR242 Duobias Commissioning & Maintenance Guide
©2010 Siemens Protection Devices Limited Chapter 6 Page 49 of 57
3.2 Trip/Close Circuit Supervision (74TCS, 74CCS)
Figure 3-2 Trip Circuit Supervision
Voltage Inputs: n/a
Current Inputs: n/a
Disable:
Map Pickup LED: 74TCS-n/74CCS-n - Self Reset
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 Measured
CCS-n Delay setting Measured