EN
42
40202755.03 09/2017 EN/DE
WIKA operating instructions model A2G-25
Air flow meter, model A2G-25
Case
Plastic (ABS)
Cover: Polycarbonate (PC)
Type of mounting
Wall mounting
Zero point setting
Push button on the printed circuit board or via
Modbus
®
register
Permissible temperatures
■
Ambient temperature
■
Medium temperature
-20 ... +70 °C
-10 ... +50 °C, version with automatic zero point
setting: -5 ... +50 °C
Ingress protection
IP54
Weight
150 g
Modbus
®
version (option)
Modbus
®
communication
Protocol
Modbus
®
via serial interface
Transfer mode
RTU
Interface
RS-485
Byte format
(11 bits) in RTU mode
Coding system: 8 bits binary
Bits per byte:
- 1 Start bit
- 8 data bits, lowest-order bit is sent first
- 1 bit for parity
- 1 stop bit
Baud rate
Adjustable in the configuration
Modbus
®
addresses
1 ... 247 addresses - adjustable in the configuration
For further specifications see WIKA data sheet SP 69.04 and the order
documentation.
9. Specifications
