Siemens SENTRON PAC3120, Manual, Page: 5 / 160

PAC3120 and PAC3220
Equipment Manual, 10/2019,
L1V30425208F-01
3
Table of contents
1 Introduction ............................................................................................................................................. 7
1.1
Components of the product ...................................................................................................... 7
1.2 Latest information ..................................................................................................................... 8
1.3 Technical Support ..................................................................................................................... 8
1.4 Open Source Software.............................................................................................................. 8
1.5 Security information .................................................................................................................. 9
1.6 General safety notes ............................................................................................................... 10
1.7 Protective mechanisms against manipulation ........................................................................ 11
2 Description ............................................................................................................................................ 13
2.1
Features .................................................................................................................................. 13
2.2 Measuring inputs ..................................................................................................................... 17
2.3 Average values and counters ................................................................................................. 21
2.3.1 Averaging measured values ................................................................................................... 21
2.3.2 Acquisition of power demand .................................................................................................. 22
2.3.3 Energy counters ...................................................................................................................... 22
2.3.4 History of active energy consumption ..................................................................................... 23
2.3.5 Configurable universal counter ............................................................................................... 23
2.3.6 Operating hours counter ......................................................................................................... 23
2.3.7 Limits ....................................................................................................................................... 23
2.4 Digital inputs and outputs ....................................................................................................... 26
2.4.1 Digital inputs ........................................................................................................................... 26
2.4.2 Digital outputs ......................................................................................................................... 27
2.5 RS485 interface PAC3120 and PAC3220 only ...................................................................... 29
2.6 Ethernet interface (PAC3220 only) ......................................................................................... 30
2.7 Slots for expansion modules ................................................................................................... 32
3 Mounting ............................................................................................................................................... 35
3.1
Mounting on the switching panel ............................................................................................ 37
3.2 Deinstallation .......................................................................................................................... 38
4 Connection ........................................................................................................................................... 39
4.1
Safety instructions ................................................................................................................... 39
4.2 Connections ............................................................................................................................ 42
4.3 Connection examples ............................................................................................................. 46
4.4 Connecting to the RS485 bus (PAC3120 only) ...................................................................... 53