Honeywell 627-1002 (6271002) MiniCOP Communication Module Product Description

Product Model: 627-1002 (6271002, 6271002R)

Brand: Honeywell

Product Type: 627 Series MiniCOP Communication Processor Module (Communication Processor Module) 

I. Product Overview

Honeywell 627-1002 is a dedicated communication coprocessor module (MiniCOP) within the 627 series (ISSC/IPC) control system. It serves as the communication gateway of the control system, specifically designed to handle serial communication based on ASCII character protocol, and is responsible for establishing a high-speed, reliable data link between the DCS main controller (such as 623-5020) and third-party devices (such as PLC, frequency converter, instrument, upper computer), achieving protocol conversion and data exchange.

II. Core Specification Parameters

1. Basic Characteristics

Applicable systems: Honeywell 627 series, ISSC, IPC 6000/620 control system

Module type: MiniCOP communication processor (single-slot standard width)

Compatible racks: 621-9990 12-slot standard I/O rack

Processor core: Built-in independent microcontroller

Memory configuration:

ROM: 16KB (stores firmware and communication protocols)

User RAM: 48KB (runs data cache)

COPRAM: 256KB (shared data area with the main CPU)

Data table: 8192 bits (512 16-bit registers)

Communication interfaces:

Port quantity: 2 asynchronous serial ports (627-1002RC has 3)

Interface standards: Hardware switchable RS-232 / RS-422 / 20mA current loop

Connector: 25-pin D-type female connector

Communication modes: Full-duplex / Half-duplex, point-to-point / multi-point (Multidrop)

Protocol support:

Primary protocol: ASCII character protocol (customized / general string)

Compatibility: Modbus RTU, DF1, third-party instrument ASCII protocol

Software parameters:

Baud rate: Software programmable (110bps ~ 19.2kbps)

Data bits / Stop bits / Check: 7/8 bits, 1/2 bit, odd / even / no check

Power supply: 24 V DC backplane power supply

Power consumption: < 10W

Weight: Approximately 1.0 kg

Installation: Standard 19-inch rack, supports hot swapping

Status indicators: PWR, RUN, COMM, FAULT LED indicators

2. Environmental and Reliability

Operating temperature: -40°C ~ +70°C

Storage temperature: -55°C ~ +85°C

Humidity: 5% ~ 95% RH (no condensation)

Electrical isolation: 2500 Vrms channel - backplane - power full isolation

Anti-interference: Complies with EN 61000-6-2/4 industrial EMC standards

Certifications: UL, CE, CSA

III. Main Functions and Advantages

1. Independent Communication Processing

Runs independently of the main CPU, specifically handling communication tasks, without occupying the resources of the main controller

Built-in OS-9 real-time operating system, multi-task parallel processing, faster communication response

Protocol transparent conversion, mapping data from third-party devices to internal standard registers of the DCS

2. Flexible Multi-Protocol Compatibility

Three-mode hardware interfaces, compatible with almost all old-style / new-style serial devices

Supports bidirectional data transmission: DCS reads external device data, or external devices read/write DCS data

Configurable as a master (Master) or slave (Slave), flexible networking

3. Efficient Data Mapping

512 16-bit registers (total 8KB), used for data exchange and status caching

Supports three-level data access: bits, bytes, words, suitable for different data formats The main CPU and MiniCOP synchronize in real time through **high-speed shared memory (COPRAM)**.

4. Industrial-grade stability and reliability

Fully isolated design, completely blocking ground potential difference and surges, protecting system safety

No fans, no vulnerable components, MTBF > 1 million hours

Plug-and-play, online maintenance, and replacement without interrupting system operation

5. Convenient diagnosis and maintenance

LED status lights monitor port transmission and reception, faults, and operating status in real time

Support remote diagnosis and online configuration, no on-site debugging required

Firmware can be upgraded online, supporting new protocols and function expansion

Four. Typical application scenarios

DCS and third-party PLC communication: connect Siemens, Mitsubishi, Omron, etc. PLCs

Integrating intelligent instruments: read ASCII data from flow meters, analyzers, transmitters

Monitoring of frequency converters / soft starters: control start-stop, read speed, current, fault codes

SCADA communication of upper computer: act as a serial gateway for DCS and monitoring computers

Renovation of old equipment: provide DCS access capability for old equipment without network interfaces

Five. Model description

627-1002 / 6271002: Standard single-slot MiniCOP module (2 serial ports)

627-1002R / 6271002R: Redundant version communication module

627-1002RC: Dual-slot wide module (3 serial ports, enhanced version)

627-1003R: High-specification version (memory / function upgrade)

Alias: 627 series communication card, ASCII module, serial gateway, COP processor