3   Configuration Units
3-24
NJ-series CPU Unit Hardware User’s Manual (W500)
 Thirty-two-point Units with 40-pin Fujitsu Connector or MIL Connector 
 Thirty-two-point Units with 2  24-pin Fujitsu Connectors 
or 2  20-pin MIL Connectors 
 Sixty-four-point Units with Two 40-pin Fujitsu Connectors or MIL Connectors
 
ID 2 3 1
ID 2 3 2
Model number
I/O indicators
Unit with MIL Connector
Unit with Fujitsu Connector
Connector
Connected to the connector on the next Unit.
Indicator Switch
1     2
Changes the 16 I/O displayed on the I/O indicators.
Wd m (Row A on connector)
Fujitsu connector
MIL connector
Bottom of connector
Top of connector
Wd m+1 (Row B on connector)
Setting 1
Setting 2
Word m
or
m+1
I/O wiring
connector
(40-pin × 1)
0   1   2   3
4   5   6   7
8   9
12 13 14 15
10
11
ERR
Note: Only the CJ1W-OD232 has an ERR indicator for the load short-circuit alarm.
Model number
Unit with MIL Connector
Connector
Connected to the connector on the next Unit.
Unit with Fujitsu Connector
I/O wiring 
connector 
(24-pin x 2)
I/O indicators
Word m
Word m+1
MD231
0   1   2   3   4   5   6   7
8   9
12 13 14 15
10 11
0   1   2   3   4   5   6   7
8   9
12 13 14 15
10 11
MD232
ID261
I
II
ID 261
Model number 
I/O indicators 
Unit with MIL Connector 
Unit with Fujitsu Connector 
Connector 
Connected to the connector on the next Unit. 
Indicator Switch 
1     2 
Changes the 32 I/O displayed on the I/O indicators. 
Setting 1 
Setting 2 
I/O wiring 
connector 
(40-pin × 2) 
Wd m and m+1: CN1 
Wd m+2 and m+3: CN2 
Word m or 
m+2 
Word m+1 
or m+3 
0   1   2   3   4   5   6   7 
8   9 
12 13  14 15 
10 11 
0   1   2   3   4   5   6   7 
8   9 
12 13  14 15 
10 11