Epson V7 - page 10

Chapter 3 Serial Communications
1. 1 : 1 Connection.............................................................................................................. 3-1
1 : 1 Connection...........................................................................................................................3-1
Wiring........................................................................................................................................... 3-2
V-SFT Setting..............................................................................................................................3- 4
2. 1 : n Connection (Multi-drop)...........................................................................................3-9
1 : n Connection...........................................................................................................................3-9
Wiring (RS-422/485).................................................................................................................... 3-9
V-SFT Setting............................................................................................................................3-10
Notes on Communication Errors.................................................................... ............................3-10
3. n : 1 Connection (Multi-link 2)........................................................................................3-11
Multi-link 2......................................... ...................................... .................................... ...............3-11
Wiring......................................................................................................................................... 3-12
V-SFT Setting............................................................................................................................3-14
Communication Error............................................................................... ..................................3-15
4. n : 1 Connection (Multi-link)...........................................................................................3-16
Multi-link..................................................................................................................................... 3-16
Wiring......................................................................................................................................... 3-17
V-SFT Setting............................................................................................................................3-18
5. Universal Serial Communications .................................................................................3-20
Universal Serial Communications..............................................................................................3-20
6. V-Link ............................................................................................................................3-21
V-Link......................................................................................................................................... 3-21
Wiring......................................................................................................................................... 3-22
V-SFT Setting............................................................................................................................3-24
Protocol......................................................................................................................................3-25
NAK: Error Codes................................................................................................ ...................... 3-29
1-byte Character Code List........................................................................................................ 3-30
7. PLC2Way ......................................................................................................................3-31
PLC2Way...................................................................................................................................3-31
Limitations on Connection at the MJ Port ..................................................................................3-32
PLCs Compatible with PLC2Way Conn ection at MJ Port.......... .................................. .............. 3-32
Wiring......................................................................................................................................... 3-33
V-SFT Setting – System Setting................................................................................................3-35
V-SFT Setting – When the temperature control network/PLC2Way table is used:.................... 3-38
Indirect Memory Designation.....................................................................................................3-45
User Log Read for YOKOGAWA’s PLC..................................................................................... 3-46
Processing Cycle.......................................................................................................................3-47
Notes on Screen Data Transfer .................................................................................................3-48
System Memory.........................................................................................................................3-49
8. Temperature Control Network .......................................................................................3-52
Temperature Control Network....................................................................................................3-52