22120 HIMA Safety Output Module | New & Original Stock

Relay Safety Output Module | HIMA 22120 22 120 SIL3

Relay Safety Output Module | HIMA 22120 22 120 SIL3

Disponibilidad: 99 Quedan en stock

HIMA 22120 Safety Output Module Configured for discrete field actuator driving in safety-critical process loops, the HIMA 22120 (22 120...

Código: 22120

Manufacturer: HIMA
Product No.: 22120
Product Type: Relay Output Modules
Product Origin: Germany
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

HIMA 22120 Safety Output Module

Configured for discrete field actuator driving in safety-critical process loops, the HIMA 22120 (22 120 Safety Output Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter	Specification
Model	22120 / 22 120
Brand	HIMA
Origin	Germany
Weight	0.4 kg
Dimensions	Standard HIMA frame footprint
Operating Temp	-20 to +70 deg C
Power Consumption	24 W total power capacity
Supply Voltage	24 VDC
Output Capacity	4 relay channels, 2 A per channel
Safety Rating	SIL3 (IEC 61508, IEC 61511)

Fail-Safe Execution & Galvanic Isolation

Designed for integration into high-integrity safety instrumented systems (SIS), this module maintains strict channel-to-channel galvanic isolation to prevent cross-talk and fault propagation. The internal hardware logic guarantees fail-safe state execution, driving relay contacts to a predetermined de-energized state upon detecting a system fault or power loss. Certified to SIL3 standards, the module enforces continuous internal diagnostics to validate loop integrity across all four independent relay outputs.

Frequently Asked Questions

Q: What happens to the relay outputs if the internal module diagnostic detects a hardware fault?

A: Internal diagnostic circuits force the output relays into a fail-safe de-energized state, opening the loop to connected field devices like valves or alarms.

Q: Can the 2 A output contacts drive inductive loads directly?

A: While each channel supports up to 2 A at 24 VDC, inductive field loads require external flyback diode suppression or RC snubber circuits across the load to prevent contact degradation.

Field Installation Guidelines

Mount the module on the designated DIN rail or rack subframe, ensuring the grounding clip establishes a low-impedance connection to the cabinet chassis. Route 24 VDC field power and relay contact wiring through isolated channels separate from high-voltage AC lines to prevent inductive noise coupling. Terminate all field wiring using properly rated crimp lugs and tighten screw terminals to the manufacturer's torque specifications. Verify that field wiring resistance and total load power remain within the 24 W total module capacity before applying loop power.

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