Yaskawa E7B Drive Bypass - Manual (Page 261)

Communications D - 1
Appendix D
Communication
This appendix details the specifications, connections, and programming of the Drive
for Modbus communications. This Drive also contains embedded
APOGEE ™ FLN
and Metasys
®
N2 communication protocols. For details regarding APOGEE ™ FLN
,
please refer to the E7 APOGEE ™ FLN Technical Manual (TM.E7.21). For details
regarding Metasys
®
N2, please refer to the Technical Manual (TM.E7.22). These
two documents can be found on the CD-ROM included with this Drive and Bypass
unit or at www.drives.com.
The H/O/A switch must be in the AUTO position if serial communication is to be
used for E7 Drive run, stop and speed control.
Using Modbus Communication ...................................................... 2
Modbus Communication Configuration ...................................... 2
Communication Specifications ................................................... 2
Communication Connection Terminal ........................................ 3
Procedure for Setting Up Communication ................................. 3
Modbus Function Code Details ...................................................... 7
Reading/Holding Register Contents (03H) ................................ 7
Write In Single Holding Register (06H) ...................................... 7
Loopback Test (08H) ................................................................. 8
Write In Several Holding Registers (10H) .................................. 8
Modbus Data Tables ....................................................................... 9
Reference Data .......................................................................... 9
Monitor Data ............................................................................ 10
Modbus Self-Diagnosis ................................................................ 14
Metasys N2 Point Database.......................................................... 15
Metasys N2 Analog Input (AI) Summary ................................. 15
Metasys N2 Analog Output (AO) Summary ............................. 16
Metasys N2 Binary Input (BI) Summary .................................. 17
Metasys N2 Binary Output (BO) Summary .............................. 17
Mailbox Function Points ........................................................... 18
APOGEE FLN Point Database...................................................... 19
APOGEE FLN Point List Summary .......................................... 19
APOGEE FLN Logical Analog Input (LAI) Summary ............... 22
APOGEE FLN Logical Analog Output (LAO) Summary .......... 23
APOGEE FLN Logical Digital Input (LDI) Summary ................ 24
APOGEE FLN Logical Digital Output (LDO) Summary ........... 24
Mailbox Function Points ........................................................... 25