ABB REB500 - Page 20

Section 2 1MRK 505 353-UEN
Overview
12 Application Manual
Bay protection functions REB500
Table 11 Signal numbers nomenclature
Digit 1
Category
Digit 2,3
Protection
function
Digit 4
Signal function
Digit 5,6
Sequence
number
1
BU_in
11
DIST
1
TRIP
05
2
BU_
out
12
OCDT
2
Block command
10
3
CU_
in
13
OCINV
3
Tripping signal
15
4
CU_
out
14
DIROCDT
4
Blocking signal
20
5
S
ystem
15
DIROCINV
5
Bus image
etc.
16
OV
TD
6
Control
2
1
I0INV
7
Start
24
CHKI3PH
8
General
alarm
25
CHKU3PH
26
OCINST
2.3.2.2 Signal designations of BP internal signals
Each BP function provides a set of internal input and output signals. They can be
mapped to binary inputs (optocoupler) and outputs (contacts) of the bay unit by us-
ing the corresponding binary inputs and output signals.
Example:
BP internal Signal Designation of binary input signal
Trip CB L1
211105_DIST TRIP CB L1
2.3.2.3 Binary input signals of BP
Table 12 BU_ Logic input signals
BP int. Signal Designation of binary input sig. Description
Block
122205_LOGIC Block
Input for blocking LOGIC function
Binary Input 1
122805_LOGIC Binary Input 1
Logic input 1
Binary Input 2
122810_LOGIC Binary Input 2
Logic input 2
Binary Input 3
122815_LOGIC
Binary Input 3
Logic input
3
Binary Input 4
122820_LOGIC Binary Input 4
Logic input
4
Table 13 BU_ Delay input signals
BP int. Signal Designation of binary input sig. Description
Block
123205_DELAY Block
Input for blocking of
DELAY function
Binary
Input
123805_DELAY Binary Input
Input to be delayed