Schweitzer Engineering Laboratories SEL-787, Instruction Manual, Page: 48 / 564

2.12
SEL-787 Relay Instruction Manual Date Code 20081022
Installation
I/O Configuration
Rear-Panel Connections
Figure 2.8 shows the rear-panel connections for selected cards. Connections
for additional cards are shown in Figure 2.9 through Figure 2.11 .
Figure 2.8 Rear-Panel Connections of Selected Cards
NOTE:
After any change, be sure to
thoroughly test the settings.
AO
_
0
2
AO
_
0
1
AO
_
0
3
AO
_
0
4
AI
_
0
2
AI
_
0
1
AI
_
0
3
AI
_
0
4
08 05 06 02 04 09 03
10 11 12 13 14 15 16
07 01
INPUT
S:
AO
_
0
1
IN
_
0
1
IN
_
0
2
IN
_
0
3
OUT_0
1
OUT_0
2
OUT_0
3
OUT_04
08 05 06 02 04 09 03
10 11 12 13 14 15 16
07 01
+ —
INPUT
S:
IN
_
0
1
IN
_
0
2
IN
_
0
3
IN
_
0
4
OUT_0
1
OUT_0
2
OUT_0
3
OUT_04
08 05 06 02 04 09 03
10 11 12 13 14 15 16
07 01
08 05 06 04 09 20 21 22 23 24 25 26 27 28 29 30
10 11 12 13 14 15 16 17 18 19
07 02 03 01
RT
D
1
C
OMP
/ SHLD
+ —
RT
D
2
C
OMP
/ SHLD
+ —
RT
D
3
C
OMP
/ SHLD
+ —
RT
D
4
C
OMP
/ SHLD
+ —
RT
D
5
C
OMP
/ SHLD
+ —
RT
D
6
C
OMP
/ SHLD
+ —
RT
D
7
C
OMP
/ SHLD
+ —
RT
D
8
C
OMP
/ SHLD
+ —
RT
D
9
C
OMP
/ SHLD
+ —
RT
D
10
C
OMP
/ SHLD
+ —
POR
T 4C
+5 V
dc
RX
D
N/
C
TX
D
GND
5
N/
C
RTS GND
E
IA
–232
1
2 4 3 6 8
CT
S
7 9
+T
X
–T
X
+R
X
–R
X
SHLD
5
POR
T 4A
EI
A
–4
8
5
1
2 4 3
+5 V
dc
RX
D
+
IR
IG–B
TX
D
GND
5
–
IR
IG–B
RTS GND
POR
T 3
EI
A
–2
3
2
POR
T 2
F
IBER OP
T
IC
TX R
X
1 2 4 3 6 8
CT
S
7 9
POR
T
1
ETHERNET
10
0
B
A
S
E
–F
X
F
IBER OP
T
IC
+5 V
dc
RX
D
+
IR
IG–B
TX
D
GND
5
–
IR
IG–B
RTS GND
POR
T 3
EI
A
–2
3
2
POR
T 2
FIB
E
R
O
P
TI
C
TX R
X
1
2 4 3 6 8
CT
S
7 9
POR
T
1B
ETHERNET
10
/10
0
B
A
S
E
–T
POR
T
1A
ETHERNET
10
/10
0
B
A
S
E
–T
AC
I
A
VI
E10
IN
E09
WY
E
OPEN
DEL
T
A
E05 E06
N/
C
N/
C
E08 E0
7
N/
C
N/
C
E0
2
VB
VB
(C
OM)
E0
3
VC
V
C
E04
N
C
OM
VA
VA
E01
INPUT
S:
08 05 06 02 04 09 03 10 11 12 13 14 15 16 07 01
IN_0
1
IN_0
2
IN_0
3
IN_04 IN_05 IN_06 IN_0
7
IN_08
Card 1: Current Card With Six CT Inputs (6 ACI)
Card 2: Card With Three PT And 1 CT Inputs (1 ACI/3 AVI)
Card 3: Eight Digital Input Card (8 DI)
Card 4: Four Analog Input/Four Analog Output Card (4 AI/4 AO)
NOTE:
Analog outputs are isolated from each other
and from the chassis ground.
Card 5: Three Digital Input/ Four Digital Output /One Analog
Output Card (3 DI/ 4 DO/1 AO)
Card 6: RTD Card (10 RTD)
Card 7: Four Digital Input/ Four Digital Output Card (4 DI/ 4 DO)
Card 8: Communications Card (EIA-232 /EIA-485)
Card 9: Main Board With Single Fiber-Optic Ethernet, Fiber-
Optic Serial, and EIA-232 Rear Ports
Card 10: Main Board With Dual Copper Ethernet, Fiber-Optic
Serial, and EIA-232 Rear Ports