
PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.3 The ROR Module
ROR
- The protection interface module, Russian version.
Basic functionality of the ROR module is the same as that of RO3. The 4 wire interface of the A/D and
D/A translators without output amplifiers and output/input transformers is connected to "
ustrojstvo
sopraženija"
, which compares local and opposite signals and alters the unit's operation to the two-wire
interface of the comparative protection of DZL.
ROR
1
INP1a
Channel 1 input
2
INP1b
Channel 1 input
3
OUT1a
Output contact 1
4
OUT1b
Output contact 1
5
BLOCK1a
Error contact 1
6 BLOCK1b
Error contact 1
7 GND
Electrical
grounding
8
INP2a
Channel 2 output
9
INP2b
Channel 2 output
10
OUT2a
Output contact 2
11
OUT2b
Output contact 2
12
BLOCK2a
Error contact 2
13 BLOCK2b
Error contact 2
14 GND
Electrical
grounding
15
+RBLOCK
Quick cumulative error contact
16
-RBLOCK
Quick cumulative error contact
17
+BLOKIN1
External blocking 1
18
-BLOKIN1
External blocking 1
19
+BLOKIN2
External blocking 2
20
-BLOKIN2
External blocking 2
1
2
3
4
5
1
20
1
6
Power Channel Modules
E-42
446S037.914.14N00