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11
12
13
14
15
16
17
18
19
20
21
22
23
24
Because the opto inputs and relay outputs may be assigned to a variety of functions, as detailed
in the following sections, this table can only show the location of the relays and optos.
Common Points
All inputs share a single common. To use the box ground as the common, connect Ground (pin
24) to Opto common (pin 23) on the I/O connector.
All relays share a common point. By default, the relays are configured in a dry contact
configuration. To convert the unit to wet contacts, connect +24 VDC (pin 21) to Relay common
(pin 22) on the I/O connector. This makes all outputs wet contacts; the unit does not support
configurations with some wet and some dry contacts.
Equivalent Circuit
EYFR03 User Manual
Chapter 5: Discrete I/O
Output
Red/Yellow
Output
Red/Green
Input
Blue
Input
Black
Input
Pink
Input
Green
Input
Orange
Input
Yellow
Input
Grey
Input
Purple
Power
White/Black
Power
White/Black/Red
Power
Dark Brown
Power
Light Brown
57 of 110
Relay 11
Relay 12
Opto 1
Opto 2
Opto 3
Opto 4
Opto 5
Opto 6
Opto 7
Opto 8
+24 VDC
Relay common
Opto common
Ground
v1.6.0
20 January 2020
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