Terminal Connections - ABB AWT420 Operating Instruction

AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | O I/A W T4 2 0 - E N R E V. B

Terminal connections

Analog output/
communications module
PCB slot
Analog output connections
(see below for communication
module connections)
Communication module connections –
refer to separate supplements:
HART COM/AWT420/HART-EN
MODBUS COM/AWT420/MODBUS-EN
PROFIBUS COM/AWT420/PROFIBUS-EN
ETHERNET COM/AWT420/ETHERNET-EN
1 2
Digital
I/O
connections
AC
supply
L N
100 to 240 V AC ±10 %, 50/60 Hz
(90 min. to 264 V max. AC, 45/65 Hz)
Figure 9 Electrical connections overview
Communications
1 2 3
3 4 5 6 7 8
Analog
output
connections
WARNING
Bodily injury
Use fuse rating 500 mA (maximum)
type TIR (UL category JDYX2)
Sensor 1
4 5
1 2 3 4 5 6 7 8
Main board connections
9 10 11 12 13 14
Relay connections
DC
supply
+ –
24 V DC nominal
(18 min. to 36 V max.)
Sensor 2
Sensor module
connections
1 2 3 4 5 6 7 8
Main board
connections:
see below
15 16 17 18 L
100 to 240 V AC
18 to 36 V DC
15 W max.
WARNING
Bodily injury
Use fuse rating 2.5 A (maximum) type
T (UL category JDYX or JDYX7)
13
Sensor 1 and 2
module
locations
N