Siemens SENTRON PAC RS485 User Manual

Table of contents
PAC RS485
4 Manual, 02/2008, A5E02091800B-01
5.1.9 Modbus command parameters ................................................................................................... 51
5.1.10 MODBUS communication parameter with the function codes 0x03, 0x04 and 0x10 ................. 52
5.1.11 Modbus device information with the function codes 0x03, 0x04 and 0x10................................. 53
5.1.12 MODBUS standard device identification with the function code 0x2B ....................................... 55
5.1.13 Parameters and function codes supported by the broadcast commands................................... 55
6 Configuration ........................................................................................................................................... 57
6.1 Default settings ........................................................................................................................... 57
6.2 Changing the address................................................................................................................. 57
6.3 Configuration of the PAC RS485 expansion module on the SENTRON PAC3200 Power
Monitoring Device ....................................................................................................................... 58
7 Service and maintenance ........................................................................................................................ 61
7.1 Cleaning ...................................................................................................................................... 61
7.2 Repair.......................................................................................................................................... 62
7.3 Disposal....................................................................................................................................... 62
8 Alarm, error, and system messages ........................................................................................................ 63
8.1 Diagnostics concept .................................................................................................................... 63
8.2 Diagnostics LED.......................................................................................................................... 64
8.3 Initializing the module.................................................................................................................. 64
9 Troubleshooting/FAQs............................................................................................................................. 65
9.1 Power failure ............................................................................................................................... 65
10 Technical data ......................................................................................................................................... 67
10.1 Cable........................................................................................................................................... 67
10.2 Standards.................................................................................................................................... 67
10.3 Technical data............................................................................................................................. 68
10.4 Communication interface ............................................................................................................ 70
10.5 Labeling....................................................................................................................................... 71
11 Dimension drawings ................................................................................................................................ 73
11.1 Dimension drawings.................................................................................................................... 73
12 Application examples.......................................................................................................
........................ 75
12.1
Examples of MODBUS communication ...................................................................................... 75
A Appendix.................................................................................................................................................. 79
A.1 Correction sheet.......................................................................................................................... 79
B ESD guidelines ........................................................................................................................................ 81
B.1 Electrostatic sensitive devices (ESD) ......................................................................................... 81
C List of abbreviations................................................................................................................................. 83
C.1 Abbreviations .............................................................................................................................. 83
Glossary .................................................................................................................................................. 85
Index........................................................................................................................................................ 89

Siemens SENTRON PAC RS485 Specifications

General

Communication Interface	RS485
Protocol	Modbus RTU
Display	LCD
Mounting	DIN Rail
Device Type	Power Monitoring Device
Series	SENTRON PAC
Operating Temperature	-10 °C to +55 °C
Storage Temperature	-25 °C to +70 °C
Relative Humidity	5 % to 95 % (non-condensing)
Weight	Approx. 0.3 kg
Frequency Measurement Range	45 Hz to 65 Hz
Protection Class	IP20