CHAPTER 13 RS-485 COMMUNICATIONS

a) Hardware CONT signal (CONT1 - 5)

Data 4bytes

0

0

b) Hardware OUT signal (OUT1 - 3)

Data 4bytes

0

0

00h

00h

00h

0 CONT5 CONT4 CONT3 CONT2 CONT1

00h

00h

00h

0

0

0 OUT3 OUT2 OUT1

(2) Control mode, Sequence mode, Alarm at present, Alarm history

Each piece of data in the control mode, sequence mode, alarm at present, and alarm history is the

code data of 1 byte.

DATA

4bytes

00h

00h

00h

Code

The content of the code varies depending on the data. For the detail, refer to the corresponding

tables below.

Control mode

Code

00h

01h

02h

Control mode

Position control

Speed control

Torque control

Alarms at present and alarm histories

Sequence mode

Code

Sequence mode

00h

Servo off

01h Servo on

02h

Zero speed stop

03h

Manual feed (JOG)

04h

Pulse operation

05h ＋OT

06h －OT

07h

In LV (under voltage)

08h

Positioning

09h

Homing

0Ah Interrupt positioning

13

Modbus RTU Communications 13-23