30
Appendix C
Modbus Coils, Discrete Inputs, Input Registers & Holding Registers Address Tables
Holding Registers
Function
code
Modbus base 0
address
Modbus
5 digit address
Value
(Read/Write*)
Description
Note
Bit - 3
Mask for Digital Input 20 Off (0)/On (1)
Bit - 4
Mask for Digital Input 21* Off (0)/On (1)
Bit - 5
Mask for Digital Input 22* Off (0)/On (1)
Bit - 6
Mask for Digital Input 23* Off (0)/On (1)
Bit - 7
Mask for Digital Input 24* Off (0)/On (1)
Bit - 8
Mask for Digital Input 25* Off (0)/On (1)
Bit - 9
Mask for Digital Input 26* Off (0)/On (1)
Bit - 10
Mask for Digital Input 27* Off (0)/On (1)
Bit - 11
Mask for Digital Input 28* Off (0)/On (1)
Bit - 12
Mask for Digital Input 29* Off (0)/On (1)
Bit - 13
Mask for Digital Input 30* Off (0)/On (1)
Bit - 14
Mask for Digital Input 31* Off (0)/On (1)
Bit - 15
Mask for Digital Input 32* Off (0)/On (1)
18
40019
Bit - 0
Control for Digital Input 1 Off (0)/On (1)
Bits read from Right to Left
Bit - 1
Control for Digital Input 2 Off (0)/On (1)
Bit - 2
Control for Digital Input 3 Off (0)/On (1)
Bit - 3
Control for Digital Input 4 Off (0)/On (1)
Bit - 4
Control for Digital Input 5 Off (0)/On (1)
Bit - 5
Control for Digital Input 6 Off (0)/On (1)
Bit - 6
Control for Digital Input 7 Off (0)/On (1)
Bit - 7
Control for Digital Input 8 Off (0)/On (1)
Bit - 8
Control for Digital Input 9 Off (0)/On (1)
Bit - 9
Control for Digital Input 10 Off (0)/On (1)
Bit - 10
Control for Digital Input 11 Off (0)/On (1)
Bit - 11
Control for Digital Input 12 Off (0)/On (1)
Bit - 12
Control for Digital Input 13 Off (0)/On (1)
Bit - 13
Control for Digital Input 14 Off (0)/On (1)
Bit - 14
Control for Digital Input 15 Off (0)/On (1)
Bit - 15
Control for Digital Input 16 Off (0)/On (1)
19
40020
Bit - 0
Control for Digital Input 17 Off (0)/On (1)
Bit - 1
Control for Digital Input 18 Off (0)/On (1)
Bit - 2
Control for Digital Input 19 Off (0)/On (1)
Bit - 3
Control for Digital Input 20 Off (0)/On (1)
Bit - 4
Control for Digital Input 21* Off (0)/On (1)
Bit - 5
Control for Digital Input 22* Off (0)/On (1)
Bit - 6
Control for Digital Input 23* Off (0)/On (1)
Bit - 7
Control for Digital Input 24* Off (0)/On (1)
Bit - 8
Control for Digital Input 25* Off (0)/On (1)
Bit - 9
Control for Digital Input 26* Off (0)/On (1)
Bit - 10
Control for Digital Input 27* Off (0)/On (1)
Bit - 11
Control for Digital Input 28* Off (0)/On (1)
Bit - 12
Control for Digital Input 29* Off (0)/On (1)
Bit - 13
Control for Digital Input 30* Off (0)/On (1)
Bit - 14
Control for Digital Input 31* Off (0)/On (1)
Bit - 15
Control for Digital Input 32* Off (0)/On (1)
20
40021
Analog Input 1 Value (Read Only) (see
“Analog In/Out” )
21
40022
Analog Input 2 Value (Read Only) (see
“Analog In/Out” )
22
40023
Analog Output 1 Set (see “Analog In/Out” )
23
40024
Analog Output 2 Set (see “Analog In/Out” )
24
40025
Bit - 0
Mask for Output Group (Zone) 1 Open (0)/Close (1)
Bit - 1
Mask for Output Group (Zone) 2 Open (0)/Close (1)
Bit - 2
Mask for Output Group (Zone) 3 Open (0)/Close (1)
(*) Indicates only available in hardware version lower than 3 Ref: Holding Register 119)
Summary of Contents for i-3
Page 1: ...3 User Guide www usa siemens com i 3 i 3 V2 I O Controller Modbus ...
Page 54: ...52 Appendix E USB to RS485 Converter Driver Software Installation Instructions ...
Page 57: ...55 Appendix F Recommended Input Devices ...
Page 58: ...56 Appendix F Recommended Input Devices ...
Page 59: ...57 Appendix F Recommended Input Devices ...
Page 60: ...58 Appendix F Recommended Input Devices ...
Page 61: ...59 Appendix F Recommended Input Devices ...
Page 62: ...60 Appendix F Recommended Input Devices ...
Page 63: ...61 Appendix F Recommended Input Devices ...
Page 64: ...62 Appendix F Recommended Input Devices ...
Page 65: ...63 Appendix F Recommended Input Devices ...
Page 66: ...64 Appendix F Recommended Input Devices ...
Page 67: ...65 Appendix F Recommended Input Devices ...
Page 68: ...66 Appendix F Recommended Input Devices ...
Page 69: ...67 Appendix F Recommended Input Devices ...
Page 70: ...68 Appendix F Recommended Input Devices ...
Page 71: ...69 Appendix F Recommended Input Devices ...
Page 72: ...70 Appendix F Recommended Input Devices ...
Page 73: ...71 Appendix F Recommended Input Devices ...
Page 74: ...72 Appendix F Recommended Input Devices ...
Page 75: ...73 Appendix G Common Networking Setups ...
Page 76: ...74 Appendix G Common Networking Setups ...
Page 78: ...76 Notes ...
Page 79: ......