Product Details

The SH SH5004 is a dedicated industrial control signal processing board widely deployed within legacy automation control systems. This signal processing board carries out signal acquisition, filtering, level conversion and data forwarding between field sensors and the main controller. As a reliable automation circuit board, it stabilizes weak analog and digital signals, suppresses electromagnetic interference generated on production lines, and ensures accurate signal transmission for continuous automatic operation. This industrial spare PCB is stocked as an original replacement spare part, frequently used to repair and refurbish ageing control racks for automated manufacturing equipment.

Basic Parameters

Brand: SH

Model: SH5004

Type: Industrial signal processing circuit board

Supply voltage: 24 VDC

Signal type: Analog and opto-isolated digital channels

Interface: Terminal block for field signal connection, internal bus connector

Mounting: Plug-in installation on industrial control backplane

Compatible system: Legacy distributed and standalone automation control systems

Product type: Original industrial signal spare PCB

Supported Functions

This signal processing board captures analog measurement signals and digital status signals from field peripherals. The automation circuit board filters noise, adjusts signal levels and transmits processed data to the master control unit. It outputs switch signals to drive on-site actuators and feeds channel fault status back to the upper controller. This industrial spare PCB supports uninterrupted long-term signal processing under continuous industrial operating conditions.

Core Functions

Onboard filtering and isolation circuits separate noisy field lines from sensitive main control circuits to avoid signal distortion. The signal processing board monitors signal out-of-range and open-circuit anomalies and triggers corresponding alarm feedback. It acts as a stable signal bridge for distributed I/O frameworks. Its original pin definition supports direct substitution for a defective SH5004 unit without extensive rewiring.

Hardware Specifications & Environmental Features

Mounting: Plug-in on standard industrial control backplane

Operating temperature: 0 °C to +55 °C

Storage temperature: -20 °C to +70 °C

Relative humidity: 5% – 90%, non-condensing

PCB treatment: Conformal coating for dust and moisture resistance

Condition: Original new or fully tested refurbished spare part

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note: Confirm 800 series backplane compatibility, pulse signal type, counting mode and preset logic before ordering.

This is from our current stock.

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