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Woodward ProTech-SX 8237-1243 User Manual

Woodward ProTech-SX 8237-1243
95 pages
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®
Product Manual 26546V1
(Revision F, 10/2016)
Original Instructions
ProTech-SX
8237-1242, -1243
Manual 26546 consists of 2 volumes (26546V1 & 26546V2).
Volume 1—Installation and Operation

Table of Contents

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Woodward ProTech-SX 8237-1243 Specifications

General IconGeneral
Overspeed ProtectionYes
Redundant Power SuppliesYes
Vibration MonitoringOptional
ApplicationsGas turbines, steam turbines
CommunicationEthernet, RS-232, RS-485
Input Voltage Range18 to 32 VDC
Operating Temperature Range-40°C to +70°C
Communication ProtocolModbus RTU

Summary

Product Manual 26546V1

General Precautions

Warnings and Notices

Overspeed / Overtemperature / Overpressure

Warning regarding independent shutdown devices for overspeed conditions.

Start-up

Warning concerning emergency shutdown procedures during start-up.

Electrostatic Discharge Awareness

Electrostatic Precautions

Specific steps to avoid ESD damage to electronic components.

Regulatory Compliance

Special Conditions for Safe Use

Chapter 1. General Information

Description

Detailed description of the ProTech-SX safety PLC and its core functions.

Applications

Discusses the diverse applications for the ProTech-SX safety system.

Chapter 2. Installation

System Installation Procedure

Step-by-step process for mechanical and electrical installation.

Power Supply Requirements

Input/Output Signal Specifications

Speed Input Specifications

Parameters for speed input channels, accuracy, and cable length.

Passive Probe (MPU) Inputs

Specifications for passive magnetic pickup unit inputs.

Active Probe (Proximity, Eddy Current) Inputs

Dedicated Discrete Inputs Specifications

Configurable Input Specifications

Analog Input Mode

Specifications for inputs configured as analog.

Discrete Input Mode

Specifications for inputs configured as discrete.

Trip Relay Output Specifications

Programmable Relay Output Specifications

Analog Output Specifications

Serial Communication Port (RS-232/RS-485) Specifications

Control Wiring Guidelines

Speed Sensor Inputs

Chapter 3. Functionality

Programming/Configuring Overview

Guide to programming and configuring the ProTech-SX using PCT or front panel.

Security

Power Supplies

Inputs and Outputs

Speed Sensor Inputs

Describes the two speed inputs and their configuration options.

Dedicated Discrete Inputs

Configurable Discrete and Analog Inputs

Configurable Discrete and Analog Inputs—Discrete Input Wiring

Wiring details for configurable inputs used as discrete inputs.

Configurable Discrete and Analog Inputs—Analog Input Wiring

Analog Output

Relay Outputs

Trip Relay Outputs

Details on the two dedicated trip relay outputs.

Relay Outputs (Configurable)

Serial Modbus Communications

Service Port Communications

Configurable Inputs

Configurable Relay Outputs

Overspeed and Over-Acceleration Detection and Trip

Start Logic

Speed Fail Trip

Speed Fail Timeout Trip

Configurable Logic

Trip Cycle Time Monitoring

Process Parameter Monitoring and Trip

Trip System Testing

Test Routines

Temporary Overspeed Setpoint

Simulated Speed Tests

Auto Simulated Speed Test

User-Defined Test

Alarm, Trip, and Event Latches

Alarm Latch

How the alarm latch functions and is indicated.

Trip Latch

Event Latches

System Logs

Trip Cycle Time Log

Event Logs

Peak Speed/Acceleration Log

Response Time Performance

Chapter 4. Modbus Communications

Modbus Function Codes

Port Adjustments

ProTech-SX Parameter Addresses

Boolean Writes (Code 05)

Boolean Reads (Code 02)

Analog Reads (Code 04)

Chapter 6. Safety Management

Safe State

Configuration of de-energize or energize to trip safe states.

SIL Specifications

Failure Rate Data

Response Time Data

Management of Functional Safety

Operation and Maintenance Practice

Installation and Site Acceptance Testing

Functional Testing after Initial Installation

Functional Testing after Changes

Proof Testing (Functional Test)

How to Contact Woodward

Technical Assistance

Appendix. Modbus Ethernet Gateway Information

Declarations

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