This processor module executes ladder logic and manages all system I/O operations. It handles discrete and analog signals for small to medium applications. You can install this CPU directly into the main processor rack slot. The unit provides dependable control for conveyor systems and packaging machines.
Technical Specifications & Key Parameters
| Parameter | Detail |
|---|---|
| Product Model | Honeywell 620-0080 |
| Category | Processor Module (PLC CPU) |
| Dimensions (H x W x D) | 230 mm x 160 mm x 25 mm |
| Weight | 0.42 kg (0.93 lbs) |
| User Memory | 24 kB (stores logic, registers, and configuration) |
| Memory Type | CMOS RAM with lithium battery backup |
| Battery Life | 3 years typical (BR-2/3A lithium cell) |
| Discrete I/O Capacity | 512 inputs / 512 outputs maximum |
| Analog I/O Capacity | 32 inputs / 32 outputs maximum |
| Scan Time | 2.0 ms per 1k word of boolean logic |
| Energy Storage | 680 µF capacitor (holds memory for 15 seconds) |
| Communication Port | One RS-232 programming port (25-pin D-sub) |
| Protocol Support | Modbus RTU and Honeywell proprietary |
| Status LEDs | RUN, STOP, FAULT, BATTERY, COMM |
| Current Draw | 320 mA at 5V DC |
| Connector Type | One 40-pin edge connector |
Detailed Feature Overview
Honeywell 620-0080 provides 24 kB of battery-backed user memory for control programs. This capacity stores ladder logic, register values, and system configuration. The processor handles up to 512 discrete I/O points for small systems. It also manages 32 analog inputs and 32 analog outputs efficiently. A 680 µF capacitor holds memory contents for 15 seconds during battery changes. Consequently, you can replace the lithium cell without losing your program.
The CPU executes 1k word of boolean logic in 2.0 milliseconds. This speed suits most material handling and simple process applications. The module supports Modbus RTU communication via the RS-232 port. You can connect a programming terminal or simple HMI panel directly. Five status LEDs provide immediate feedback on processor health.
Programming and Configuration
Use Honeywell’s LogicMaster 620 software to write and debug programs. The software runs on standard Windows PCs with a serial connection. The processor supports relay ladder logic programming only. You can store up to 1000 rungs of logic in the 24 kB memory. Online editing allows program changes without stopping the PLC.
Installation and Environmental Limits
This processor draws 320 mA from the 5V DC backplane supply. Its lightweight 0.42 kg design simplifies handling during installation. Insert the module firmly into any Series 620 rack slot. Secure it with the two locking levers provided. Operating temperature ranges from 0°C to 60°C reliably. Keep humidity below 95% without condensation for long life. Store the module between -40°C and 85°C for long-term preservation.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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