I/O Combination Module - Power Bay - Veeder-Root TLS-3 Series Site Prep And Installation Manual

Connecting Probe/Sensor Wiring to Consoles

I/O COMBINATION MODULE - POWER BAY

The I/O Combination Module can accept two dry-contact switch closure inputs from an external device such as a
line leak detector or well monitoring system [Figure 67].]
For each external input, connect a shielded cable consisting of two #18 AWG conductors to the appropriate input
terminals on the module.
Attach Cable Shield to Ground
Lug Closest to Conduit Entry
Rigid Conduit (enters
Console through a
Power Bay knockout)
Not Used
INPUT
1 2
+ +
I/O COMBINATION MODULE
Shielded
Cables
+ +
NC NO C
Input Input External
Device
External Input
Wiring
#18 AWG
69
3 3 4 4 RELAY
NC NO C NC NO C
RELAY RATINGS
FORM C CONTACTS
120 VAC 2A MAX
24 VDC 2A MAX
FUSE RATINGS
2A 250VAC TYPE T
(SLO-BLO)
NC NO C
External
Device
Relay Output
Wiring
#14 AWG
Figure 67. I/O Combination Module Wiring
TLS-350/ProMax/EMC Consoles
Console
consoles\iocmw.eps