Configurations; Dip Switch For Configuration Method Selection; Modbus Configuration Parameters - Siemens QAM2151.040/MO Basic Documentation

Duct temperature, humidity and air quality sensors, immersion temperature sensor, modbus rtu (rs-485)
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4 Configurations

4.1 DIP switch for configuration method selection

4.2 Modbus configuration parameters

A6V11610643_en--_a
The sensor is a Modbus RTU (RS-485) slave device. It can be configured with a
Modbus master when DIP2-Position 7 is OFF (default setting).
The sensor has two sets of DIP switches: DIP1 and DIP2. It can be manually
configured with DIP switches when DIP2-Position 7 is ON.
For details, see DIP switch configuration [➙ 12].
Name
Configurable
Modbus address
Baud rate (bps)
Transmission format
(start bits-data bits-
parity-stop bits)
Bus configuration
command
Basic
Parity
Stop bits
Data
Identity
Cable length
DIP switch for configuration method selection
Range/numeration
1...247
0 = Auto
1 = 9600
2 = 19200
3 = 38400
4 = 57600
5 = 76800
6 = 115200
0 = 1-8-E-1
1 = 1-8-O-1
2 = 1-8-N-1
3 = 1-8-N-2
0 = Ready
1 = Load
2 = Discard
Even
Odd
None
1 / 2
8 bits (0...255)
Slave
< 600 m
Configurations
4
Default
1
0
0
0
Even
1
-
-
-
7 | 16

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