Table Of Contents - Mitsubishi Electric MELSEC FX Series User Manual

FX communication

Table of Contents

Further Information Manual List ................................................................... vii
1. Introduction ............................................................................................. 1-1
1.1 Abbreviations, Generic Names and Terms Used in This Manual ..........................1-1
1.2 Communication Types ...........................................................................................1-2
1.3 System Configuration ............................................................................................1-3
1.3.1 N:N Network ............................................................................................................................. 1-3
1.3.2 Parallel Link .............................................................................................................................. 1-3
1.3.3 Computer Link........................................................................................................................... 1-5
1.3.4 No Protocol Communication .................................................................................................... 1-6
1.4 Supported Functions and Applicable Versions .....................................................1-6
2. Specifications .......................................................................................... 2-1
2.1 Communication Specification ................................................................................2-1
2.2 Communication Time.............................................................................................2-2
2.2.1 N:N network ............................................................................................................................. 2-2
2.2.2 Parallel link ............................................................................................................................... 2-2
2.2.3 Computer link............................................................................................................................ 2-3
3. Wiring ...................................................................................................... 3-1
3.1 Caution on cable selection.....................................................................................3-2
3.1.1 FX -485-BD, FX
1N
3.1.2 FX -485ADP .......................................................................................................................... 3-2
0N
3.1.3 FX -40AW................................................................................................................................. 3-2
2
3.2 Using RS-232C Interface.......................................................................................3-3
3.2.1 Using RS Instruction or Computer Link..................................................................................... 3-3
3.2.2 Using FX
2N
3.3 Using RS-485 Interface .........................................................................................3-6
3.3.1 Wiring Selection ........................................................................................................................ 3-6
3.3.2 Terminal Resistor...................................................................................................................... 3-6
3.3.3 One-pair Wiring ........................................................................................................................ 3-7
3.3.4 Two-pair Wiring ........................................................................................................................ 3-8
3.4 Parallel Link ...........................................................................................................3-9
3.4.1 FX -485-BD and FX
2N(1N)
3.4.2 FX -485ADP and FX
0N
3.4.3 FX -485-BD and FX
2N(1N)
3.4.4 FX -485ADP and FX
2NC
3.4.5 FX -485-BD and FX
2N(1N)
3.4.6 FX -485ADP and FX
2NC
3.4.7 FX -40AW and FX
2
3.4.8 FX -40AP and FX
2
4. N:N Network............................................................................................ 4-1
4.1 Related Flags and Data Registers.........................................................................4-1
4.1.1 Auxiliary Relays ....................................................................................................................... 4-1
4.1.2 Data Registers ......................................................................................................................... 4-2
-485-BD, FX
2N 2NC
-232IF ..................................................................................................................... 3-4
-485ADP........................................................................................ 3-9
0N
-485ADP .......................................................................................... 3-10
0N
-485-BD ................................................................................. 3-11
2N(1N)
-485ADP ........................................................................................ 3-12
0N
-485ADP.................................................................................... 3-13
2NC
-485ADP ...................................................................................... 3-14
2NC
-40AW ..................................................................................................... 3-15
2
-40AP ....................................................................................................... 3-15
2
-485ADP.......................................................................... 3-2
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