The following figures show isolation between inputs and outputs. Solid lines show isolated
items,anddottedlinesshownon-isolateditems:
 
Control outputs 0D, 5G, 6D, 3D, 5K
 Handling Precautions
• The loader jack is not isolated from internal digital circuits. 
Be sure to cap the loader jack when it is not in use.
31
11
12
14
15
17
18
4
5
6
7
8
9
10
49
56
32
33
34
21
25
41
48
57
61
Input 1 
(full multiple-input PV
supported)
Output 1
(relay, current, voltage output)
Output 2
(relay, current, voltage output,
auxiliary output)
Output 3 
(auxiliary output)
Event output 1
(relay output 1a)
Event output 2 
(relay output 1a)
Event output 3 
(relay output 1a1b)
Time event outputs 1 to 5
(open-collector output)
Loader communications 
I/O
Loader jack
12 external switch inputs
Communications I/O 
(RS-485)
Digital circuit
4-20
Chapter 4. WIRING
4 - 14  Isolating Inputs and Outputs