1.Configuring The Trip Circuit Supervision Cmtcs; Self-Supervision (Irf) - ABB RET 54 Series Technical Reference Manual, General

RET 54_
5.1.11.1.
5.1.12.
66
Transformer Terminal
Technical Reference Manual, General
CBPOS_open
TCS blocking
Fig. 5.1.11.-2 Operating principle of the trip-circuit supervision (TCS), with an
external resistor. The TCS blocking switch is open, enabling trip-
circuit supervision independent of circuit breaker position. The
terminal numbers are related to HSPO1.
Configuring the trip circuit supervision CMTCS_
The Relay Configuration Tool can be used to connect the trip circuit supervision
input status signals to the function blocks CMTCS1 and CMTCS2. The
configuration of the blocking signal is user-specific and can only be defined in the
transformer terminal configuration. The trip circuit supervision inputs in the
transformer terminal configuration are as follows:
TCS1 and TCS2 inputs in RET 541 and RET 543:
Trip Circuit Supervision 1 input
Trip Circuit Supervision 2 input
TCS1 and TCS2 inputs in RET 545:
Trip Circuit Supervision 1 input
Trip Circuit Supervision 2 input
For more information about the trip circuit supervision function, refer to the
Technical Descriptions of Functions for CMTCS1 and CMTCS2 (see "Related
documents" on page 9).

Self-supervision (IRF)

The RET 54_ transformer terminal is provided with an extensive self-supervision
system. The self-supervision system handles run-time fault situations and informs
the user of faults via the HMI and LON/SPA communication. See also Table 5.2.1-
12 on page 93.
PS1_4_TCS1
PS1_4_TCS2
PS2_4_TCS1
PS2_4_TCS2
1MRS755225
TCSopen_b