Connector assignments of the backplane for the EU 185U
IM 310 and IM 314
I/O Module
Slot 3
923C Coordinator
I/O Module
Slot 11
Pin
No.
Pin Row
Pin
No.
Pin Row
z
b
d
z
b
d
Backplane
conn. 1
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
+ 5 V
RESET
MEMR
MEMW
RDY
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DSI
0 V
PESP
ADB0
ADB1
ADB2
ADB3
ADB4
ADB5
ADB6
ADB7
ADB8
ADB9
ADB10
ADB11
BASP
0 V
ADB12
ADB13
ADB14
ADB15
0 V
0 V
0 V
0 V
0 V
0 V
0 V
BASPA
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
+ 5 V
RESET
MEMR
MEMW
RDY
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
0 V
PESP
ADB0
ADB1
ADB2
ADB3
ADB4
ADB5
ADB6
ADB7
ADB8
ADB9
ADB10
ADB11
BASP
0 V
UBAT
ADB12
ADB13
ADB14
ADB15
DSI
BASPA
Backplane
conn. 2
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
+ 5 V
DB12
DB13
DB14
DB15
RESETA
0 V
0 V
0 V
0 V
0 V
0 V
0 V
DB8
DB9
DB10
DB11
+ 5V
+ 5V
+ 5V
NAU
0 V
0 V
0 V
0 V
0 V
0 V
0 V
RESET
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
+ 5 V
DB12
DB13
DB14
DB15
NAU
BAU
RESETA
PEU
GEP
M2
+ 24V
0 V
DB8
DB9
DB10
DB11
RxDS6
TxDS6
RxDS4
TxDS4
RxDS2
TxDS2
M2
0 V
RxDS8
TxDS8
RxDS7
TxDS7
RxDS5
TxDS5
RxDS3
TxDS3
•RxDS1
TxDS1
SPRxD
M2
+ 15 V
10
Connector Assignments
System Manual
C79000-T8576-C199-03
10 - 7