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WIKA operating instructions model A2G-200
20210728.01 10/2021 EN/DE
EN
Control panel with integrated room sensor, model A2G-200
Parameter
CO
2
Temperature
Relative humidity
Electrical connection
5 screw terminals (24 V, GND, CO
2
, r. h., T)
Cable gland M20
Max. 1.5 mm
2
Supply voltage U
B
/
current consumption
AC/DC 24 V, ±10 %
90 mA, +10 mA for each voltage output / +20 mA for each current
output
LC display
Touchscreen 77.4 x 52.4 mm
Case
Plastic (ABS)
Permissible temperatures
Ambient
-20 … +70 °C [-4 … 158 °F]
Operation
0 … 50 °C [32 … 122 °F]
Relative humidity
0 … 95 %, non-condensing
Ingress protection per
IEC/EN 60529
IP20
Mounting
Via three screw holes (slotted screws) with Ø 3.8 mm [0.2 in]
Weight
150 g
Modbus
®
communication
Protocol
RTU mode, RS 485
An additional analogue output for a selected measured value
0 ... 10 V, 2 … 10 V, R > 1 kΩ
4 … 20 mA, R < 500 Ω
Transfer mode
RTU
Interface
RS-485
Switching output
SPDT relay, 250 … 30 V, 6 A
3 screw terminals (NC, COM, NO)
Supply voltage U
B
AC 24 V or DC 24 V ±10 %
Modbus
®
addresses
1 … 247 addresses selectable in the configuration menu
For further specifications, see WIKA data sheet SP 69.12 and the order documentation.
8. Specifications
