VAT 612 Series User Manual

Installation, Operating &
Maintenance Instructions
605262EE Edition 2018-08-20
Butterfly Pressure Control Valve
with EtherCAT interface
Series 612
DN 63-250 mm (I.D. 2.5“- 10")
This manual is valid for the following product ordering numbers:
Configured with firmware: 600P.1G.00.03…07…08,
600P.1G.27.00,
600P.1H.00.01
Sample picture

VAT 612 Series Specifications

General

Input Voltage	24 VDC
Output Voltage	24 VDC
Current Rating	10 A
Operating Temperature	-20°C to +60°C
Protection Class	IP20
Series	VAT 612

Summary

Product Description and Technical Data

Technical Data: Control and Actuating Unit

Technical Data: Valve Unit

Safety Precautions

Compulsory Reading and Danger Levels

Emphasizes safety reading and defines danger levels (DANGER, WARNING, CAUTION, NOTICE).

Personnel Qualifications and Safety Labels

Design and Functionality

Pressure Control System Overview

Details the pressure control system, including components and operational modes.

Pressure Control System Principles

Installation and Connection Procedures

Detailed Installation Steps

Outlines the step-by-step procedure for installing the valve, including connections and grounding.

Sensor Connection Requirements

Electrical Connection Guidelines

Presents critical notices regarding wrong connections and burned connector pins.

Sensor Supply Concepts

+24 VDC Sensor Wiring

Details wiring for +24 VDC sensors via the controller, including connector information.

±15 VDC Sensor Wiring (No SPS)

Details wiring for ±15 VDC sensors without an optional SPS module.

±15 VDC Sensor Wiring (With SPS)

Details wiring for ±15 VDC sensors with an optional SPS module.

EtherCAT Interface Connection

Explains the EtherCAT interface connection, including network and cable specifications.

LOGIC I/O and Service Port

Initial Operation and Configuration

Initial Setup Steps Overview

Outlines the setup steps required for the valve to perform pressure control.

Device Identification and EtherCAT Configuration

Configuring Value Ranges

EtherCAT Watchdogs and Timeouts

LOGIC I/O Configuration

Valve and Sensor Configuration

Sensor ZERO Calibration

Explains the ZERO function for compensating sensor offset voltage to zero pressure.

Adaptive LEARN Procedure

Describes the LEARN routine for adapting the PID controller to vacuum system characteristics.

Pressure Control Configuration Selection

Guides the selection of pressure control configurations based on gas flow availability.

Pressure Controller Setup

Explains how to set up the pressure controller using CPA software or EtherCAT.

Tuning Control Performance

Adaptive Controller Tuning

Details tuning procedures for adaptive pressure controllers, including gain factor and sensor delay.

Gain Factor Adjustment

Explains how to adjust the gain factor to affect stability and response time.

Sensor Delay Adjustment

Describes adjusting sensor delay to improve stability, noting it can slow control response.

Setpoint Ramp Adjustment

Explains how to adjust setpoint ramp time to improve pressure response, especially during decreases.

Valve Speed Adjustment

Details adjusting valve speed for optimal pressure and position control response.

Fixed PI Controller Tuning

Guides tuning pressure control performance for fixed PI controllers.

Optimizing P and I Gains (PI)

Explains how to optimize P gain and I gain for PI controller mode based on system characteristics.

Soft Pump Controller Tuning

Details tuning pressure control performance for soft pump controllers.

Optimizing P Gain (Soft Pump)

Explains how to adjust the P gain for pressure ramps during pump down.

Valve Operation

Normal Operation Modes

Local Operation

Remote Operation

Valve Control: Close, Open, Position

Pressure Control Operation

Guides on preparing for pressure control, tuning performance, and using the PID controller.

Pressure Control with Two Sensors

Fatal Errors and EtherCAT LEDs

Safety Mode and Service Indication

Power-Up and Power Failure Behavior

Troubleshooting

Common Display Errors and Failures

Pressure Reading and ZERO Function Issues

Pressure Control Performance Issues

Additional EtherCAT Warnings

Maintenance Procedures

Defined Maintenance Procedures

Shaft Seal Replacement and Valve Cleaning

Option Board Replacement

Retrofit/Replacement Procedure and Tools

Repairs

Dismounting, Storage, and Handling

Spare Parts and Accessories