Product Description

I. Official Standard Core Parameters

1. Basic Specifications

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

Order Number: 7400136

Number of Channels: 8 channels per module, channels are independent and isolated from each other

Output Type: Isolated Solid State Relay Output, dry contacts and wet contacts can be compatible

Rated Voltage: DC 24 volts, voltage fluctuation range ±10%

Maximum Current per Channel: Maximum 2 amperes under resistive load conditions

Output Mode: Support software-free programming to switch between normally open contacts and normally closed contacts

System Architecture: Adopting TMR triple redundancy structure, three independent output circuits, implementing a three-out-of-two voting mechanism

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

Isolation Performance: With a withstand voltage of 1500VAC between the on-site lines and the backplane lines, all channels achieve complete electrical isolation

Response Speed: Action response time less than 1 millisecond, execution actions are rapid

Fault Diagnosis Function: Capable of accurately detecting open circuits, short circuits, overload faults, as well as load readback, over-temperature monitoring, and self-check for contact sticking

Circuit Protection: Each channel is independently configured with an electronic fuse, and an internal surge protection circuit is included

Hot Swap Function: Supports online disassembly and replacement without affecting the normal operation of the entire system

Redundancy Configuration: Two modules of the same model can be configured as a redundant system to achieve automatic switching between primary and secondary modules

Power Supply: Backplane uniformly supplies 24VDC power, allowing a voltage deviation of ±10%

Module Power Consumption: Overall power consumption is approximately 8 watts

Operating Temperature Range: 0 degrees Celsius to 60 degrees Celsius

Storage Temperature Range: -40 degrees Celsius to 85 degrees Celsius

Product Certifications: Possessing multiple authoritative certifications such as CE, UL, CSA, explosion-proof, and TÜV SIL3

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

Matching Terminal Board: 9661-210 Eight-channel Isolation Special Terminal Board

Dimensions: 170×40×200 millimeters

Product Weight: Approximately 0.8 kilograms

2. Panel Indicator Light Interpretation

Green PWR Light: Module power supply status is normal

Green OK Light: Triple redundancy voting is running stably, and the overall module condition is good

Red FAULT Light: Module body failure or abnormal alarm occurs in the output channel

Yellow CH01 to CH08 Indicator Lights: Corresponding channel output operation status and fault indication

3. Main Features of the Product

Compatible Driving Equipment: Industrial solenoid valves, various relay coils, AC/DC contactors, on-site warning lights, sound and light alarm devices, emergency cut-off valves

Compatible Load Types: 24V DC resistive load and inductive load. Inductive load requires a shunt diode to be used

Data Communication Method: Utilizing the TriBus backplane high-speed bus to complete data interaction, and through triple redundancy voting to complete signal output

Matching Configuration Software: TriStation, allowing customization of channel working modes, safety default states, and alarm limits

II. Typical Application Scenarios

ESD Emergency Stop System: Driving emergency cut-off valves, emergency stop interlock relays

BMS Combustion Management System: Driving ignition equipment, fuel control valves, pipeline purging valves

Unit Control System: Controlling compressors, steam turbines emergency stop electromagnets

Interlock Alarm System: Driving on-site sound and light alarm devices, warning horns, and various on-site indication equipment

III. Differentiation of Similar Output Modules on the Same Platform DO6603: 8-channel 24VDC, single-channel 2-ampere solid-state output, high-speed response SIL3 level, full-channel isolation, mainly used for high-standard safety interlocks, ESD and BMS core circuits

DO6601: 16-channel 24VDC, single-channel 0.5-ampere transistor output, economical design, suitable for ordinary indicator lights and small relay control

DO6604: 8-channel 120/230V AC, 5-ampere relay output, specially adapted for AC high-power loads, large contactors and power equipment