VAT 642 Series Installation And Operating Instructions

Series 642 INSTALLATION
813316EB Edition 2017-11-24 63/
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4.9 CC-Link interface (Process data – cyclic communication)
The buffer naming is in view from customer (master) PLC.
Data format: All signals are transmitted and received in intel format (low byte first).
All one-byte signals use the least significant byte (LSB).
Neither valve display information nor CONTROL MODE values or any other fieldbus
cyclic/acyclic data are related to any fieldbus states/notation
4.9.1 OUTPUT Buffer (Master PLC)
4.9.1.1 Overview
Data
model
Index
Buffer
Contents (MSB) Contents (LSB)
16 bit
(Word)
0
Pressure setpoint
1
2
Position setpoint
3
4
Not used – reserved
5
6
7
8
9
10
Not used – reserved
Control mode setpoint
11 General control setpoint
12
Not used – reserved
13
14
15
16
Not used – reserved
17
18
Not used – reserved Not used – reserved
19
Not used – reserved
20
Not used – reserved Not used – reserved
For data consistency make sure your master PLC is supporting “block guarantee of cyclic data per station”.

VAT 642 Series Specifications

General

Brand	VAT
Model	642 Series
Category	Control Unit
Language	English