92 AWT420 |  UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER  |  OI/AWT420-EN REV. B
17  Specification
Operation
Display
with built-in backlight and brightness/contrast adjustment
Language
English, German, French, Italian, Spanish
Keypad
6 tactile membrane keys:
•  Group select/Left cursor
•  View select/Right cursor
•  Menu key
•  Up
•  
•  Enter key
No. of inputs
Up to 2 analog or digital sensors 
Mechanical data
Protection
IP66/NEMA 4X
Dimensions
•  Height: 144 mm (5.67 in) minimum (excluding glands)
•  
•   
(excluding fixing brackets)
•  Weight: aluminium enclosure
    1.36 kg (3 lb) approx. (unpacked)
•  Weight: polycarbonate enclosure 
    1 kg (2.2 lb) approx. (unpacked)
Panel dimensions
•  
•  
•  Thickness: 6.35 mm (0.25 in) max.
•   
(after fixing with brackets to panel)
•  
Materials of construction
•  
•   
10 % glass-filled polycarbonate
Cable entries
•  Five holes to accept M20 or ½ in cable glands or conduit 
hubs
•  Two holes to accept M16 cable glands or conduit hubs or 
EZLink connectors 
Security
Password protection
Access to configuration levels is enabled only after the user 
has entered a password:
•  Calibrate level: user-assigned password
•  Advanced level: user-assigned password
•  Service level: service level user-assigned password 
Electrical
Supply voltage
•  100 to 240 V AC ±10 %, 50/60 Hz 
•  
Power consumption
<15W
Terminal connections rating
•  Solid/Flexible wire: AWG 24 to 16 (0.2 to 1.5 mm
2
)
•  Ferrule with plastic sleeve 0.2 to 0.75 mm
2
•  Ferrule without plastic sleeve 0.2 to 1.5 mm
2
Cable specification
Cable glands:
•  M20: 5 to 9 mm (0.2 to 0.35 in)
•  M16: 2 to 6 mm (0.08 to 0.24 in)
•  ½ in NPT: 6 to 12 mm (0.24 to 0.47 in)
•  Ethernet: 4.7 to 6.35 mm (0.187 to 0.25 in) 
Analog outputs
Number
•  Two supplied as standard 
•  Four with module board fitted
Output ranges
Analog output programmable to any value between  
0 and 22 mA to indicate system failure 
Accuracy 
Maximum load resistance
Configuration 
Can be assigned to either measured variable or  
either sample temperature
Isolation
 
Relay outputs
•  4 standard single-pole changeover
•  Fully-programmable
  Contacts rating:  5A @ 110/240 V AC 
  
Digital input/output
•  1 standard, user-programmable as input or output 
•  Minimum input pulse duration: 125 ms
•  
•