Configuration parameters – Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules User Manual
Page 70
Publication 1794-UM065B-EN-E - September 2010
58 1794-IF8IH and 1794-OF8IH Configuration
1794-OF8IH Terminal Base Connections
Connect an external 24 V DC power supply to terminals 34 (V+) and 16 (V-)
observing polarities indicated. Terminals 17 through 33 are internally shorted
to terminal 16. Terminal 51 is internally shorted to terminal 34. Use the DC
output terminals only for low power modules, following FLEX I/O power
connection guidelines.
Please follow wiring instruction for FLEX I/O modules, terminal bases and
racks. Connect the Ground the shield drain wire at one end only. The
preferred/required location is at the sensor end. When connecting the shield
drain at the module end, connect it to earth ground using a panel or DIN rail
mounting screw.
Configuration Parameters
Configuration is shown in two parts in the following. These are normal
module configuration items and are sent to the module.
All configuration parameters are EDT (Extended Data Transfer) WRITE
items.
Configuration is located at EDT assembly 37.
0-15
16-33
-Vin
-V
C O M M O N S
+Vin
+V
34-51
A
B
C
1
0
3
2
5
4
7
6
9
8
11
10
13
12
15
14
29
28
31
30
33
32
23
22
25
24
27
26
17
16
CH-0
19
18
21
20
47
46
49
48
51
50
41
40
43
42
45
44
35
34
37
36
39
38
CH-1
CH-2
CH-3
CH-4
CH-5
CH-6
CH-7