17 Specification; Operation; Mechanical Data; Security - ABB AWT420 Operating Instruction

92 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

17 Specification

Operation

Display
89 mm (3.5 in) color 1/4 VGA TFT, liquid crystal display (LCD)
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
• Down
• 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)
• Width: 144 mm (5.67 in) door closed – min.
• Depth: 99 mm (3.89 in) door closed – min.
(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
• Cut-out height: 138 +1 –0 mm (5.43 +0.04 –0 in)
• Cut-out width: 138 +1 –0 mm (5.43 +0.04 –0 in)
• Thickness: 6.35 mm (0.25 in) max.
• Depth behind panel: 100 mm (4 in) min.
(after fixing with brackets to panel)
• Distance between cut-outs: 40 mm (1.57 in) min.
Materials of construction
• Aluminium enclosure – LM20 aluminium
• Polycarbonate enclosure – LEXAN 505RU
10 % glass-filled polycarbonate
Cable entries
• Five holes to accept M20 or 1/2 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
• 24 V DC (18 min. to 36 V DC max.)
Power consumption
<15W
Terminal connections rating
• Solid/Flexible wire: AWG 24 to 16 (0.2 to 1.5 mm
• Ferrule with plastic sleeve 0.2 to 0.75 mm
• Ferrule without plastic sleeve 0.2 to 1.5 mm
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)
• 1/2 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
±0.25 % of reading or 10 µA (whichever is the greater)
Maximum load resistance
500Ω at 20 mA
Configuration
Can be assigned to either measured variable or
either sample temperature
Isolation
500 V DC from any other circuitry but not from each other

Relay outputs

• 4 standard single-pole changeover
• Fully-programmable
– Contacts rating: 5A @ 110/240 V AC
(Non-Inductive) 5A @ 30 V DC

Digital input/output

• 1 standard, user-programmable as input or output
• Minimum input pulse duration: 125 ms
• Input – volt-free
• Output – open-collector, 12 to 24 V, 250 mA max.
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2
2
2