ENMET ISA-44-RALE-OD User Manual
Page 17
ISA-44RALE-OD/ISA-44RAHE-OD/ISA-44E-OD
ENMET Corporation
13
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