Analog and specialty i/o modules – Rockwell Automation 1738 Assembly Connections for POINT I/O and ArmorPOINT I/O EtherNet/IP Adapters User Manual
Page 38
Publication 1734-UM016A-EN-P - October 2010
32 1734/1738 I/O Module Assembly Information
Analog and Specialty I/O Modules
1734-OB2EP
1738-OB2EP
2 point 24V DC 2A Protected output
123
8
1
1
1734-IA2
1738-IA2
2 point 120V AC input
103
8
1
0
1734-IA4
4 point 120V AC input
103
16
1
0
1734-IM2
2 point 220V AC input
103
8
1
0
1734-IM4
4 point 220V AC input
103
16
1
0
1734-OA2
1738-OA2
2 point 120V/220V AC output
103
4
0
1
1734-OA4
4-channel 120V/220V AC output
103
4
0
1
1738-IB16
16 point 24V DC sink input
103
6
2,3
0
1738-OB16
16 point 24V DC source input
123
2
1
2
1734-8CFG
1738-8CFG
8 point 24V DC configurable sink
input/source output
103
8
1
1
(1)
While these modules (OB2, OB4, and OB8) have no meaningful data, they return a byte of 0 to be compatible with the "E" modules. In this manner they can be interchanged.
Also these modules expect the same 8-byte configuration assembly even though only the first 4 bytes are meaningful.
POINT I/O and ArmorPOINT I/O Discrete I/O modules
Cat. No
Description
Configuration
Assembly
Instance
Configuration
Size
Produced Size
Consumed Size
POINT and ArmorPOINT Analog and Specialty I/O modules
Cat. No
Description
Configuration
Assembly
Instance
Configuration
Size
Produced Size
Consumed Size
1734-VHSC5
1 point 5V, 2 out very high speed counter
108
54
6
2,2,4
1734-VHSC24
1738-VHSC24
1 point 24V, 2 out very high speed counter 108
54
6
2,2,4
1734-IJ
1738-IJ
1 point 5V counter
123
18
6
1
1734-IK
1 point 24V counter
123
18
6
1
1734-IE2C
1738-IE2C
2 point analog current input
123
38
6
0
1734-IE4C
1738-IE4C
4 point analog current input
123
74
12
0
1734-IE8C
8 point analog current input
123
146
24
0
1734-OE2C
1738-OE2C
2 point analog current output
123
36
2
4