Communication
FP
Σ
User's Manual
246
Reception done judgment time
The process for receiving a message is complete after all data has been received and the
time given in this table has been reached.
Baud rate
Reception done judgment time
2400
≈
13.3ms
4800
≈
6.7ms
9600
≈
3.3ms
19200
≈
1.7ms
38400
≈
0.8ms
57600
≈
0.6ms
115200
≈
0.3ms
Supported commands
Executable
instructions for
master
Code
(decimal)
Name (Modbus original)
Name for FP
Σ
Modbus
Reference
F146_READ
01
Read Coil Status
Read Y and R Coils
0X
F146_READ
02
Read Input Status
Read X Input
1X
F146_READ
03
Read Holding Registers
Read DT
4X
F146_READ
04
Read Input Registers
Read WL and LD
3X
F145_WRITE
05
Force Single Coil
Write Single Y and R
0X
F145_WRITE
06
Preset Single Register
Write DT 1 Word
4X
Cannot be issued
08
Diagnostics
Loopback Test
–
F145_WRITE
15
Force Multiple Coils
Write Multiple Ys and Rs
0X
F145_WRITE
16
Preset Multiple Registers
Write DT Multiple Words
4X
Cannot be issued
22
Mask Write 4X Register
Write DT Mask
4X
Cannot be issued
23
Read/Write 4X Registers
Read/Write DT
4X
Modbus references and FP
Σ
addresses
Modbus reference
Name
Decimal address
1)
Hexadecimal address
2)
FP
Σ
address
000001–001184 0000–049F
Y0–Y73F
Coil
002049–006144 0800–17FF
R0–R255F
Input
100001–101184 0000–049F
X0–X73F
Holding register
400001–432765 0000–7FFC
DT0–DT32764
300001–300128 0000–007F
WL0–WL127
Input register
302001–302256 07D0–08CF
LD0–LD255
1)
Beginning with 0
2)
Beginning with 1
REFERENCE
For details on Modbus settings and communication using the F145_WRITE and F146_READ
commands, please refer to the online help of FPWIN Pro.
Summary of Contents for FPS Series
Page 7: ......
Page 17: ......
Page 18: ...Chapter 1 Safety Measures...
Page 21: ......
Page 22: ...Chapter 2 Overview...
Page 32: ...Chapter 3 CPU Types...
Page 47: ...CPU Types FP User s Manual 30 LD Body...
Page 51: ...CPU Types FP User s Manual 34 POU Header and LD Body...
Page 55: ...CPU Types FP User s Manual 38 LD Body...
Page 57: ......
Page 58: ...Chapter 4 Expansion...
Page 73: ......
Page 74: ...Chapter 5 I O Allocation...
Page 81: ......
Page 82: ...Chapter 6 Installation and Wiring...
Page 115: ......
Page 116: ...Chapter 7 High Speed Counter and Pulse Output...
Page 169: ......
Page 170: ...Chapter 8 Communication...
Page 227: ...Communication FP User s Manual 210 LD Body ST Body...
Page 233: ...Communication FP User s Manual 216 POU Header LD Body...
Page 236: ...FP User s Manual 8 6 Program Controlled Communication 219 POU Header LD Body 1 2...
Page 237: ...Communication FP User s Manual 220 2 2 ST Body...
Page 266: ...Chapter 9 Security Functions...
Page 273: ......
Page 274: ...Chapter 10 Other Functions...
Page 277: ......
Page 278: ...Chapter 11 Troubleshooting...
Page 289: ......
Page 290: ...Chapter 12 Appendix...