Description Of Communication Objects - Siemens RDF870KN Series Manual

Modbus communication objects (RDF870MB)

Description of communication objects

Object
1 Modbus address
2 Modbus baudrate
3 Modbus format
4 Application
5 Room temperature symbol enable
6 Outdoor temperature symbol enable 40006 1
7 PM2.5 symbol enable
8 VOC symbol enable
9 CO symbol enable
2
10 Humidity symbol enable
11 Reserved 1
12 1) External sensor 1 type selection
2)
13 External sensor 1 DI action
28
Siemens
Smart Infrastructure
Read Write
40001 1 RW 0x03 0x06
40002 1 RW 0x03 0x06
40003 1 RW 0x03 0x06
40004 1 RW 0x03 0x06
40005 1 RW 0x03 0x06
RW 0x03 0x06
40007 1 RW 0x03 0x06
40008 1 RW 0x03 0x06
40009 1 RW 0x03 0x06
40010 1 RW 0x03 0x06
40011 1 RW 0x03 0x06
40012 1 RW 0x03 0x06
40013 1 RW 0x03 0x06
1 1 1...247
1 2 1: 9600bps
2: 19200bps
3: 38400bps
1 0 0: 1/8/E/1
1: 1/8/O/1
2: 1/8/N/1
3: 1/8/N/2
1 1 1: PM2.5 control only
2: PM2.5 + CO
3: CO control only
2
4: Ventilation
1 1 0: Disable display
1: Enable display
1 0 0: Disable display
1: Enable display
1 1 0: Disable display
1: Enable display
1 0 0: Disable display
1: Enable display
1 0 0: Disable display
1: Enable display
1 0 0: Disable display
1: Enable display
1 0 0...ffff
1 3 0: (no function)
1: Temperature (AI) (NTC 10k)
2: Temperature (AI) (0...10 V)
3: PM2.5 (AI) (0...10 V)
4: CO (AI) (0...10 V)
2
5: VOC (AI) % (0...10 V)
6: VOC (AI) mg/m³ (0...10 V)
7: rH (AI) (0...10 V)
8: Alarm input (DI)
9: Dummy AI (0...10 V) (Room
unit only)
10: Dummy DI (Room unit only)
1 0 0: Normally open / Open
1: Normally closed / Close
control
2
A6V11439454_en--_d
2021-03-31