SMC Networks HRR012-A*-20 Series - Default Chapter; Table of Contents

HRX-OM-W004
Contents
HRR Series
Contents
Chapter 1 Read before using ............................................................. 1-1
1.1 Communication mode and operation method ........................................................ 1-1
1.2 Communication port .................................................................................................. 1-3
1.3 Key operations ........................................................................................................... 1-4
1.4 Parameters ................................................................................................................. 1-8
Chapter 2 Contact input/output communication ............................. 2-1
2.1 Precautions for communication ............................................................................... 2-1
2.1.1 Precautions wiring communication ...................................................................................... 2-1
2.1.2 Precautions after wiring and before communication ............................................................ 2-1
2.2 Communication specification ................................................................................... 2-2
2.3 Connection explanation ............................................................................................ 2-2
2.4 Setting and checking ................................................................................................. 2-3
2.4.1 Setting and checking ............................................................................................................ 2-3
2.4.2 Setting and checking ............................................................................................................ 2-4
2.5 Contact input signal ................................................................................................ 2-12
2.5.1 Run/stop・Run・Stop・External switch signal ....................................................................... 2-13
2.5.2 Signal of the external switch .............................................................................................. 2-14
2.6 Contact output signal .............................................................................................. 2-16
Chapter 3 Serial communication ....................................................... 3-1
3.1 Precautions wiring communication ......................................................................... 3-1
3.2 Connected explanation ............................................................................................. 3-1
3.3 Communication specification ................................................................................... 3-2
3.4 MODBUS communication function .......................................................................... 3-3
3.5 Precautions for communication ............................................................................... 3-3
3.5.1 Precautions after wiring and before communication ............................................................ 3-3
3.5.2 Precautions for communicating ............................................................................................ 3-3
3.6 Setting and checking ................................................................................................. 3-4
3.6.1 Setting and checking items .................................................................................................. 3-4
3.6.2 Setting and checking ............................................................................................................ 3-5
3.7 Communication sequence ........................................................................................ 3-7
3.8 Message configuration .............................................................................................. 3-8
3.8.1 Message frame .................................................................................................................... 3-8
3.9 Function codes .......................................................................................................... 3-9
3.10 Checksum calculation method ............................................................................... 3-10
3.10.1 LRC(ASCII) ........................................................................................................................ 3-10
3.10.2 CRC(RTU) .......................................................................................................................... 3-10
3.11 Explanation of function codes ................................................................................ 3-12
3.11.1 Function code：04 Reading multiple registers .................................................................... 3-12
3.11.2 Function code：06 Writing registers .................................................................................... 3-13
3.11.3 Function code：16 Writing multiple registers ...................................................................... 3-14