Hach Polymetron 9500 User Manual

Maintenance
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document.
Cleaning the controller
D A N G E R
Always remove power from the controller before performing maintenance activities.
Note: Never use flammable or corrosive solvents to clean any part of the controller. Use of these solvents may
degrade the environmental protection of the unit and may void the warranty.
1. Make sure the controller cover is securely closed.
2. Wipe the controller exterior with a cloth dampened with water, or with a mixture of water and mild
detergent.
Fuse replacement
Fuses are not user-serviceable items. The need for fuse replacement in controllers indicates severe
technical failure and is therefore considered to be a service activity. If a blown fuse is suspected,
contact Technical Support.
Battery replacement
The lithium ion backup battery is not user replaceable. Contact Technical Support for replacement.
Troubleshooting
Problem Resolution
No current output
Verify current output configuration.
Test current output signal using the Test/Maintenance submenu.
Input a current value and verify the output signal at the controller
connections.
Contact Technical Support.
Incorrect current output
Verify current output configuration.
Test current output signal using the Test/Maintenance submenu.
Input a current value and verify the output signal at the controller
connections. If the output is incorrect, perform an output
calibration.
No relay activation
Make sure relay connections are secure.
If using an external power source, make sure the relay wiring is
correct.
Make sure the relay configuration is correct.
Test the relay activation through the Test/Maintenance menu.
The relay should energize and de-energize as selected.
Make sure the controller is not in calibration mode and that the
relay is not being held.
Reset the Overfeed Timer to make sure the timer has not
expired.
42 English

Hach Polymetron 9500 Specifications

General

Brand	Hach
Model	Polymetron 9500
Category	Controller
Language	English

Summary

Product Specifications

General Information

Provides general details about the controller, including liability and modification rights.

Key Technical Parameters

Details operating/storage temps, enclosure, power, outputs, relays, dimensions, and communication.

Safety Information

Hazard and Warning Symbols

Explains hazard symbols (Danger, Warning, Caution, Notice) and precautionary labels for safe operation.

Installation Procedures

Mounting and Enclosure Details

Covers controller enclosure and mounting options, detailing physical installation aspects.

Wiring and Connections

Wiring Overview

Provides a general diagram and labels for internal controller wiring connections.

Wiring for Power

Details safety warnings and procedures for connecting the controller to AC or DC power sources.

User Interface and Navigation

Keypad and Controls

Details the controller's keypad layout, including menu, home, back, enter, and directional keys.

SD Card Installation

Provides instructions and figures for installing a Secure Digital (SD) memory card into the controller.

System Startup and Configuration

Initial Setup Procedures

Covers setting language, date, and time for the first-time controller setup.

Controller Configuration Options

Details how to access and configure settings like security and outputs.

Advanced Operation

Security Setup

Explains how to enable, disable, and edit the controller's passcode for security.

Analog Input Module Configuration

Guides on setting up analog input modules for 0-20 mA or 4-20 mA signals.

Analog Output Configuration

Details how to assign and configure the controller's analog outputs and their functions.

Relay Setup and Functions

Explains how to configure relays for alarm, scheduler, and feeder control functions.

Discrete Input Setup

Guides on configuring the controller's discrete input channels for various logic levels.

Calculation Setup

Details how to set up calculations using two sensors and mathematical functions.

Maintenance

Cleaning and Component Replacement

Provides instructions for cleaning the controller and notes on fuse/battery replacement.

Troubleshooting

Output and Relay Problems

Lists problems like no/incorrect output or relay activation and their resolutions.

SD Card and Display Issues

Addresses SD card recognition, display problems, and power-up issues.

Module Recognition and Device Errors

Covers issues with modules not recognized, missing devices, and error messages.

Replacement Parts and Accessories

General Accessories

Lists general replacement parts and accessories like SD cards, cables, and kits with item numbers.

Test and Maintenance Menu

Device Scanning and Output Calibration

Details functions for scanning devices and calibrating mA outputs.

Output Testing and Status

Explains how to test output signals, view status, and manage relays.

Warning and Error Conditions

Acknowledging Controller Warnings

Provides steps to acknowledge controller warnings and error messages.

Device Scan Messages

Explains messages related to device installation, missing devices, and scan status.