Yaskawa GPD 515-G5 Modbus RTU User Manual
Page 3

Contents 1
C
ONTENTS
Technical References / Technical Support
i
Contents
1
Chapter 1
GPD 515/G5 and Serial Communication
1-1
Introduction to GPD 515 Modbus RTU Communication
1-2
Standard RS-232D Serial Communication
1-2
The RS-232D to RS-485 Converter Board
1-3
Figure 1-1. The CM085 Board 1-3
Chapter 2
RS-232D Serial Communication
2-1
RS-232D Serial Communication
2-2
Figure 2-1. RS-232D Pin-out at 6CN Connector 2-2
Chapter 3
Installation of CM085 Board
3-1
Installation Procedure
3-2
Figure 3-1. Position of the CM085 Board
on the GPD 515 Drive 3-2
Chapter 4
Wiring of the CM085 Board
4-1
Connection of Multiple Drives
4-2
Figure 4-1. Interconnection Diagram 4-2
Wiring Instructions
4-3
Figure 4-2. Twisted Shielded Wire Termination 4-3
Table 4-1. Functions of Terminal Block TC1 4-3
Table 4-2. Applicable Wire Sizes for Terminal Block TC1 4-3
Terminating Resistors
4-4
Figure 4-3. SW1 Location on the CM085 Board 4-4
Chapter 5
Setting GPD 515 Parameters for Communication 5-1
Run/Stop and Frequency Selection
5-2
Communication Set up Parameters
5-3
“ENTER” Command
5-5
Chapter 6
The Message Format
6-1
Message Functions
6-2
Read Multiple Registers - 03h
6-3
Loop-back Test - 08h
6-6
Write Multiple Registers - 10h
6-8
No Response Message
6-11
CRC-16 6-11
Chapter 7
Registers
7-1
Simultaneous Broadcast Registers
7-2
Command Registers
7-3
Monitor Registers
7-4
Drive Parameter Registers
7-7
Special Registers
7-17