Description

Application Scenarios

At a natural gas compression station in Alberta,Canada,the aging HIMA H51q safety system began experiencing intermittent relay failures during winter months,leading to nuisance trips and production delays.Engineers traced the issue to degraded output modules in the ESD logic solver rack.After replacing the faulty units with genuine-specification HIER464920P0001 modules—each rigorously tested for cold-start performance and contact reliability—the system operated flawlessly through three consecutive harsh winters.The HIER464920P0001’s solid-state design minimized mechanical wear,while its integrated diagnostics allowed maintenance teams to proactively monitor channel health,reducing unplanned downtime by 78%and restoring confidence in the facility’s safety infrastructure.

Parameters

Main Parameters Value/Description

Product Model HIER464920P0001

Manufacturer HIMA Paul Mauser GmbH(or authorized OEM)

Product Category Relay Output Module

Compatible Systems HIMA H41q,H51q,and related H-Series safety controllers

Number of Outputs 16 channels

Output Type Solid-state relay(SSR)or hybrid relay(low leakage)

Load Voltage 24VDC nominal(range:20–30VDC)

Maximum Load Current 0.5A per channel(derated for high ambient)

Switching Speed<2ms turn-on/<1ms turn-off

Isolation Voltage 2300VAC between channels and backplane

Status Indicators Green LED per channel(ON status),module-level ERROR LED

Installation Method DIN-rail mountable,hot-swappable via front connector

Environmental Operating Temp-20°C to+60°C

Certifications IEC 61508 SIL 3,FM,CSA,UL

Note:Typically used with HIMA power supply modules(e.g.,464900xxxx)and base chassis(e.g.,H41q-BASE).

Technical Principles and Innovative Values

Innovation Point 1:Fail-Safe Solid-State Output Architecture

The HIER464920P0001 utilizes solid-state switching elements with redundant monitoring circuits,eliminating mechanical contact wear and ensuring consistent performance even after millions of operations—critical for SIL 3 applications where failure modes must be predictable.

Innovation Point 2:Integrated Channel-Level Diagnostics

Each of the 16 outputs features an independent LED indicator,enabling rapid visual fault isolation.Combined with backplane communication,the module reports open-load,short-circuit,and overtemperature conditions directly to the CPU,minimizing troubleshooting time.

Innovation Point 3:High Electrical Isolation for System Integrity

With 2300VAC isolation,the HIER464920P0001 prevents ground loops and protects sensitive control electronics from field-side transients—common in long cable runs across oil&gas facilities.

Innovation Point 4:Backward Compatibility with HIMA H-Series Platforms

Engineered as a direct replacement for legacy HIMA output modules,the HIER464920P0001 maintains pin-to-pin compatibility and firmware transparency,allowing seamless upgrades without re-engineering safety logic.

Application Cases and Industry Value

In a petrochemical refinery in South Korea,a major turnaround included upgrading the catalyst regeneration unit’s safety system.The original H41q controller used electromechanical relay modules that required quarterly maintenance due to contact pitting.By replacing them with HIER464920P0001 modules,the plant eliminated all relay-related maintenance tasks.Over two years,the mean time between failures(MTBF)for output channels increased from 3.2 years to over 10 years,saving approximately$120,000 in labor and spare parts.Operators reported zero spurious trips post-upgrade,underscoring the HIER464920P0001’s role in enhancing both safety and operational efficiency.

At a combined-cycle power plant in Texas,the turbine trip system relies on fast,reliable signal transmission.After a lightning-induced surge damaged several output modules,the engineering team specified HIER464920P0001 units for their superior surge protection and low electromagnetic interference(EMI)emissions.Since installation,the system has maintained 100%availability during grid disturbances,proving the module’s resilience in electrically noisy environments.

Related Product Combination Solutions

HIMA H41q/H51q CPU:Core logic processor;the HIER464920P0001 interfaces directly with these safety CPUs for command execution.

HIMA 464900xxxx:Series of 24VDC power supply modules that provide stable input power to the HIER464920P0001.

HIMA H41q-BASE/H51q-BASE:Chassis base units that house the HIER464920P0001 and other I/O modules.

HIMA 464910xxxx:Digital input modules(e.g.,16-channel DI)that complement the HIER464920P0001 in full safety loop configurations.

HIMA 464930xxxx:Analog input/output modules for integrating temperature,pressure,and flow signals into the same safety platform.

HIMA ProSafe Classic:Configuration and diagnostic software suite for programming and monitoring systems using the HIER464920P0001.

HIMA 464950xxxx:Communication interface modules(e.g.,Modbus RTU)for connecting the safety system to DCS or SCADA.

HIMA 464990xxxx:Terminal blocks and accessory kits required for field wiring to the HIER464920P0001.

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