ENMET ISA-44-RALE-OD - Manual (Page 17)

ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD ENMET Corporation
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Figure 5: View of Terminal Plate
Table 4: Wiring Information Terminal Plate
For ISA-44RALE-OD/ISA-44E-OD (when Purge and Horn are supplied)
Terminal Plate
Connection Signal
TB3-1 Chassis GND (Green)
TB3-2 110 V AC High (Black)
TB3-3 110 V AC Low (White)
TB1-1 Not Used
TB1-2 Horn 110 V AC High (Black)
TB1-3 Horn 110 V AC Low (White)
TB1-4 12 V DC Positive
TB1-5 12 V DC Negtive
TB1-6 Gas Sensor GND (Brown)
TB1-7 Gas Sensor High (Orange)
TB1-8 Gas sensor Signal (Blue)
TB1-9 High Gas Alarm Relay, Common
TB1-10 High Gas Alarm Relay, Normally Open
TB1-11 High Gas Alarm Relay, Normally Closed
TB1-12 Low Gas Alarm Relay, Common
TB1-13 Low Gas Alarm Relay, Normally Open
TB1-14 Low Gas Alarm Relay, Normally Closed
TB1-15 Oxygen Sensor Negative (Green)
TB1-16 Oxygen Sensor Positive (Orange)
TB1-17 Oxygen Alarm Relay, Common
TB2-1 Oxygen Alarm Relay, Normally Open
TB2-2 Oxygen Alarm Relay, Normally Closed
Intrinsic Safety
Barrier
Terminal
Block 1
Terminal
Block 2
Terminal
Block 3