Publication 2364F-5.05 - March 1999
A-8
Reference Information
Board-to-Board Schematics
Figure 4
Board-to-Board Schematics
Isolation Board
4
1
3
2
1
7
TB6
6
5
4
3
2
AUXILIARY RELAY COM
CLEARANCE
AUXILIARY RELAY NO
CLEARANCE
CLEARANCE
J12
P
H
AS
E S
L
E
M C
O
M
PH
AS
E S L
E
M
+1
5V
PH
ASE
T
L
E
M
+1
5V
CO
M
PH
AS
E T
L
E
M C
O
M
+1
5V
CO
M
CO
M
J2
L
E
M
CO
N
N
E
C
T
O
R I
N
T
L
O
C
K
PH
AS
E
R
L
E
M
L
E
M
CO
N
N
E
C
T
O
R I
N
T
L
O
C
K
PH
AS
E R
L
E
M
C
O
M
AUXILIARY RELAY NC
BUS CONTROL RELAY COM
ENABLE
FAULT RESET
EXTERNAL MAIN
INPUT COMMON
24V
115V
INPUT VOLTAGE
SELECT (SW1)
P1
T
O
PE G
N
D
9
12
11
10
5
8
7
6
J7
1
4
3
2
3
-1
5V
LE
M INP
U
T
2
LE
M C
O
MM
O
N
I
N
P
U
T
1
+
1
5
V
LE
M
IN
P
U
T
TB4
1
TB1
PH
AS
E R
B
U
R
D
E
N
PH
AS
E R
B
U
R
D
E
N
3
PH
AS
E S
B
U
R
D
E
N
PH
AS
E S
B
U
R
D
E
N
TB2
3
1
PH
AS
E T
BU
R
D
EN
PH
AS
E T
BU
R
D
EN
TB3
1
3
TB5
20 19 18
15 14 13
J1
10 9
8
5
17 16
12 11
6
7
9
8
BUS CONTROL RELAY NC
BUS CONTROL RELAY NO
OFF
ON
1
2
3
4
TB1
3
4
6
8
7
5
9
2
1
10
+5
V
DG
N
D
DG
N
D
+5
V
TIO R
E
M
O
TE
TIO L
O
C
A
L
R2
R T
X
D
R2
R R
X
D
2
1
6
5
3
4
8
7
1
2
6
3
4
5
7
8
J7
J1
1
2
6
4
3
5
7
8
J10
9
1
2
3
4
6
5
7
J9
9
8
SCAN PORT ID 2
SCAN PORT ID 1
-1
5
V
-1
5
V
-1
5
V
#
E
XT
_
E
N
A
BL
E
PH
AS
E R
VO
L
T
AG
E
B
U
S
CO
N
T
RO
L
RE
LA
Y
-
CO
M
+5
V
#E
X
T
_
M
A
IN
SP
AR
E
BU
S N
E
U
T
R
A
L
MI
N
U
S
BU
S
PL
U
S
BU
S
A
U
X
CO
N
T
RO
L
RE
L
A
Y
+
A
U
X
CO
N
T
RO
L
RE
LA
Y
-
B
U
S
CO
N
T
RO
L
RE
L
A
Y
+
P
H
AS
E T
V
O
L
T
AG
E
PH
AS
E S V
O
L
T
A
G
E
PH
AS
E
VL
O
T
AG
E
N
E
U
T
R
A
L
#
E
X
T
_C
LR
_F
A
U
L
T
LEM INTERLOCK
-15V PHASE R
+15V PHASE R
PHASE R LEM
LEM INTERLOCK
-15V PHASE S
PHASE S LEM
+15V PHASE S
-15V PHASE T
PHASE T LEM
+15V PHASE T
SPARE
+ANALOG IN 1
-ANALOG IN 1
ANALOG OUT 1 COMMON
ANALOG OUT 1
+ANALOG IN 2
ANALOG OUT 2
ANALOG IN 2 COMMON
-ANALOG IN 2
ANALOG IN 1 COMMON
ANALOG OUT 2 COMMON
CO
M
M
O
N
CA
N 12V
CA
N H
I
MA
C
I
D
0
MA
C
I
D
1
CA
N
LO
MA
C
I
D
2
CA
N 12V
SH
IE
L
D
MA
C
I
D
2
CA
N H
I
CA
N 12V
CO
M
M
O
N
MA
C
I
D
0
CA
N
LO
MA
C
I
D
1
CA
N 12V
SH
IE
L
D
R2R
Com m unications
Board
(O ptional)
U3 U4
U5 U6
TIO L
O
C
A
L
TIO R
E
M
O
TE
R2
R R
X
D
R2
R T
X
D
1
3
2
5
4
6
9
8
7
10
12
11
14
13
15
17
16
18 19
21
20
23
22
28
25
24
27
26
30
29
32
31
34
33
1
3
2
5
4
6
9
8
7
10
12
11
14
13
15
17
16
18 19
21
20
23
22
28
25
24
27
26
30
29
32
31
34
33
L
3
I
N
P
U
T (T)
L
1
I
N
P
U
T (R
)
L
2
I
N
P
U
T (S
)
- BU
S I
N
P
U
T
+
BU
S I
N
P
U
T