880 Relay Option Card Installation
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5
Connection Pin Assignments
The indicator automatically recognizes installed option cards when the unit is powered on. No hardware-specific
configuration is required to identify the newly-installed card to the system.
Figure 7. Relay Option Card Board
Specifications
4 SPST:
Normally Open Dry Contact Relays
250 VAC @ 3A
30 VDC @ 3A
Relay Protection:
The use of external fusing to limit current is recommended. Relay COM-NO are transient
protected to 400V @ 600W
Relay Contacts:
Displayed as Slot 1, Bit 1-4 in the setpoint configuration menu
J1 Pin
Signal
1
K1
Common
2
K1
Normally Open
3
K2
Common
4
K2
Normally Open
5
K3
Common
6
K3
Normally Open
7
K4
Common
8
K4
Normally Open
Table 2. Pin Assignments
Note
K4
L
ED1
LED4
J1
K2
K1
LED7
LED
8
LED2
K3
LED
3
LED6
S1
J3
LED5
J6
LED
9
J4
Relay
1
2
3
4
5
6
7
8
