Product Description

I. Official Standard Core Parameters

1. Basic Specifications

Model: DO6603 8-channel 24VDC Triple Redundant Digital Output Module

Material Number: 7400136

Number of Channels: 8 channels per module, completely isolated channels

Output Type: Isolated Solid State Relay Output, supports dry contacts / wet contacts selection

Rated Voltage: DC 24V, allowable ±10% deviation

Maximum Current per Channel: Maximum 2A for resistive loads

Output Mode: Can be either normally open or normally closed, settable through software programming

System Architecture: TMR Triple Redundancy Architecture, three independent output circuits, three-out-of-two voting logic

Safety Level: Compliant with IEC61508 standard, with TÜV certification SIL3 level

Insulation Level: 1500VAC isolation between the field side and the backplane, complete isolation between channels

Response Time: Less than 1 millisecond, high-speed operation

Fault Diagnosis: Comprehensive detection of open circuit, short circuit, overload, load feedback, over-temperature, contact sticking

Protection Configuration: Independent electronic fuse for each channel, built-in surge protection

Hot Swap Function: Supports online non-disruptive plug-in and replacement

Redundancy Capacity: Can be configured with dual modules for redundancy, with automatic switching between primary and backup

Power Supply Method: Backplane DC 24V power supply, ±10%

Overall Power Consumption: Approximately 8 watts

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Certifications: CE, UL, CSA, explosion-proof certification, TÜV SIL3 certification

Installation Method: Compatible with Tricon mainframe and expansion frame I/O slots

Matching Terminal Board: 9661-210 8-channel Isolated Terminal Board

Dimensions: Length 170 × Width 40 × Height 200 mm

Product Weight: Approximately 0.8 kilograms

2. Panel Indicator Light Meanings

Green Light PWR: Module power supply is normal

Green Light OK: Triple redundancy voting is normal, module is running stably

Red Light FAULT: Module body or output channel has abnormal faults

Yellow Light CH01-CH08: Corresponding channel output action indication and fault prompt

3. Main Features of the Product

Drive Loads: Electromagnetic valves, relay coils, contactors, alarm indicator lights, sound and light alarms, emergency cut-off valves

Applicable Loads: DC 24V resistive and inductive loads. Inductive loads require a companion rectifier diode

Communication Method: TriBus backplane high-speed bus communication, triple redundancy voting output

Configuration Software: TriStation, can set channel mode, safety default values, alarm thresholds

II. Typical Application Scenarios

ESD Emergency Stop System: Drive emergency cut-off valve, emergency stop interlock relay

BMS Combustion Management System: Drive ignition device, fuel control valve, purge valve

Unit Control System: Electromagnetic valve control for compressors, steam turbines emergency stop

Interlock Alarm System: On-site sound and light alarm, horn, on-site warning equipment

III. Differentiation of Similar Output Modules on the Same Platform

DO6603: 8-channel 24VDC 2A solid-state output, high-speed response SIL3, channel-to-channel isolation, mainly used in high-end safety interlocks, ESD, BMS systems

DO6601: 16-channel 24VDC 0.5A transistor output, economical type, suitable for ordinary indicator lights, small relays

DO6604: 8-channel 120/230V AC 5A relay output, specifically used for large AC power loads, large contactors, power equipment