Parker PD-04 Series User Manual

Parker Hannifin
P series User Guide 64
1
8
1
8
OUT IN
Pin arrangement viewed from the front
side of the drive
Pin arrangement viewed from the
connector
Pin No.
Pin Function
Pin No.
Pin Function
1
Not Used
5
TXD+
2
Not Used
6
RXD-
3
RXD+
7
Not Used
4
TXD-
8
Not Used
Table 20. RS-422 Connector Pin Description
NOTE ) As for IN connector, 5V voltage is output to Pin No. 7 and Pin No. 8, to supply
power to the handy loader. Use for any other purpose is not allowed, and do not
connect Pin No. 7 and Pin No. 8 when wiring.
NOTE ) Connect TXD+ and TXD-, RXD+ and RXD- using twisted pair.
NOTE ) TXD and RXD of the above table is defined based on the servo drive.
4.2.3 Packet Structure
Maximum length of transmission/reception packet of MODBUS-RTU is 256 Byte.
Please make sure the total length of transmission/reception packet does not exceed
256 byte.
To classify packets, MODBUS-RTU Communication Mode requires empty spaces of at
least 3.5 characters at the starting point and the end point.
to
Packet1 Packet2 Packet3
at least 3.5 char at least 3.5 char 4.5 char
 Transmission Packet Structure
Additional
Address
Functio
n Code
Data
Error Check
Byte
0
1
2
.
.
n-1
n
description
Node ID
Function
Data
.
.
CRC(MSB)
CRC(LSB)
Table 21. RS-422 Transmission Packet Structure

Parker PD-04 Series Specifications

General

Brand	Parker
Model	PD-04 Series
Category	Servo Drives
Language	English