Trip Circuit Supervision (74Tcs); Figure 3-5 Trip Circuit Supervision - Siemens 7SR21 Manual

3.5

Trip Circuit Supervision (74TCS)

Voltage Inputs:
Current Inputs:
Disable:
Map Pickup LED:
The TCS-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
©2010 Siemens Protection Devices Limited
7SR21 & 7SR22 Argus Commissioning and Maintenance

Figure 3-5 Trip Circuit Supervision

n/a
n/a
74TCS-n - Self Reset
Measured
Chapter 6 Page 65 of 69