This document is the operator's manual for the Chromalox 3101 High/Low Limit Controller. It covers installation, operation, controller setup, limit control operation, alarms, digital event input, analog output option, digital communications, calibration, specifications, troubleshooting, warranty and return.
The Chromalox 3101 is a compact 1/4 DIN programmable high/low limit controller with universal sensor inputs, digital I/O, and optional communications. This manual guides users through getting started, installation, operation, and configuration of the controller's features.
Key sections include Getting Started, Installation, Operation, Controller Setup, Limit Control Operation, Alarms, Digital Event Input, Analog Output Option, Digital Communications, Calibration, Specifications, Troubleshooting, and Warranty information.
| Operating Temperature Range | 32°F to 149°F |
|---|---|
| Accuracy | +0.2% |
| Power Supply Input | 100 V‑230 V AC |
| Relay Contact Rating | 5 A @ 120 V or 230 V (Form C) |
| Alarm Outputs | Two independent alarm relays |
| Digital Input | One programmable digital input |
The model number is 3101, printed on the tag on the side of the housing.
It accepts a universal AC input ranging from 100 V to 230 V.
The controller provides two independent alarm outputs.
Each relay contact is Form C, rated for 5 A at either 120 V or 230 V.