Core Configuration

Channels: 16 independent isolated digital outputs (DO)

Output Signal: 48V DC active output (wet contacts)

Load Capacity: 1A continuous / 5A peak (10ms) per channel

Operating Voltage Range: 44–80V DC

Architecture: TMR triple redundancy, 2oo3 voting, no single point failure

Connection: Back-end equipped with a dedicated FTA terminal board (including fuses)

Maintenance: Supports hot swapping, online replacement without stopping operation Electrical parameters

Module power supply: 24VDC ±10% (power drawn from the back panel)

Output high level: ≥ +40V; low level: ≤ +10V

Output current: 1A continuous / 5A surge

Isolation: Channel to channel / Back panel 2500V DC isolation

Diagnosis: Channel LED indication, short circuit / open circuit / overload / power failure diagnosis

Operating temperature: –40°C ~ +70°C

Certifications: SIL3, CE, UL, CSA, ATEX Zone 2, TÜV

Power consumption: Approximately 10W

Size / Weight: Approximately 483×254×51mm / 2.0–2.5kg Product features

48V DC high-power output: Directly drives 48V solenoid valves, heavy-duty relays, and high-power actuators

16 independent isolation channels: Non-common-ground design, strong anti-interference, suitable for multiple sets of different loads

Triple redundant safety architecture: TMR 2oo3 voting, any single-channel failure does not affect the system, meets SIL3 safety loop requirements

Complete channel diagnosis: Real-time detection of short circuits, open circuits, and overloads, intuitive display of status on panel LED

Industrial wide temperature range: -40°C ~ +70°C, suitable for harsh environments such as chemical, power, and oil and gas industries

Hot-swappable: Online replacement, without interrupting safe interlock operation

Typical applications

Chemical / Oil and Gas: 48V ESD emergency stop solenoid valve, safety valve drive, F&G fire protection system high-power alarm output

Power Plant / Metallurgy: 48V auxiliary machine trip, excitation switch, fire sprinkler, gas turbine ignition control

SIS safety interlock: Critical equipment shutdown, valve opening/closing, safety baffle drive, interlock trigger output

General industry: 48V relay coil, high-power sound and light alarm, solenoid valve, small motor control circuit

Comparison of DO models of the same series

3601E: 16-point 24V DC wet-contact DO (independent isolation)

3602E: 16-point 24V DC dry-contact DO (passive contacts)

3603E: 8-point 120V AC DO

3604E: 8-point 240V AC DO

3607E: 16-point 48V DC wet-contact DO (high power)