GE IC200UDR005-CH PLC Module – VersaMax Micro

GE IC200UDR005-CH: 14-Point Relay Output Micro PLC for Machine-Level Discrete Control

The IC200UDR005-CH is a self-contained programmable logic controller from GE’s VersaMax Micro series, designed to execute deterministic ladder logic in machine-level automation without dependency on an external backplane or expansion rack. Its architecture consolidates the CPU, power supply, and I/O interface into a single sealed housing — a deliberate engineering decision that reduces panel wiring density, eliminates inter-module communication latency, and lowers mean time to repair in field installations.

This unit accepts 120/240 VAC mains input directly, converting it internally to the logic-level voltages required by the CPU and I/O bus. The eight 24 VDC digital inputs support both sinking and sourcing field devices, accommodating NPN and PNP sensor wiring without external signal conditioning. The six relay outputs provide galvanically isolated dry contacts rated at 2 A per point, capable of switching loads from 5 VAC to 250 VAC or 5 VDC to 30 VDC — a range that covers solenoid valves, motor contactors, indicator lamps, and auxiliary relay coils in a single output type without requiring separate transistor or triac output modules.

Program execution follows a fixed scan cycle: input image update → logic solve → output image write → communications service. At approximately 0.8 ms per kilobyte of ladder logic, the IC200UDR005-CH delivers scan times well within the response requirements of most discrete machine control applications, including conveyor sequencing, packaging line interlocking, and pump station management. The 4 KB program memory and 2 KB data memory are sufficient for applications with up to several hundred rungs of ladder logic and associated data registers.

The RS-232 serial port on the front panel supports GE’s SNP and SNP-X protocols, enabling connection to a programming terminal running GE Proficy Machine Edition. This interface supports online program monitoring, forced I/O for commissioning, and live data table inspection — standard diagnostic workflows for field engineers during startup and troubleshooting. The port also supports SNPX-based HMI connectivity for simple operator interface panels.

The “-CH” suffix in the part number denotes the China manufacturing origin variant of the IC200UDR005. Electrically and functionally, the CH variant is identical to the base part number. The suffix exists for supply chain documentation and customs classification purposes, providing procurement teams with unambiguous country-of-origin traceability for import compliance and duty calculation.

Mounting follows EN 50022 DIN rail standard, with the unit occupying approximately 130 mm of rail width. Panel-mount installation is also supported via the integrated mounting flanges. The IP20 protection rating is appropriate for installation inside sealed control enclosures, which is the standard deployment environment for this class of micro PLC.

Operating temperature range of 0°C to +55°C covers the majority of industrial panel environments. Storage tolerance extends to -40°C / +85°C, relevant for units held in warehouse inventory in extreme climate regions. The unit carries UL listing, CE marking, and RoHS compliance — the baseline certifications required for deployment in North American and European industrial installations.

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Technical Parameters

Hardware Logical Analysis

The IC200UDR005-CH relay output stage uses electromechanical Form A (SPST-NO) contacts, which provide complete galvanic isolation between the PLC’s internal logic bus and the switched field circuit. Unlike transistor or triac output modules — where leakage current and voltage drop are inherent characteristics — relay contacts present near-zero impedance when closed and true open-circuit isolation when de-energized. This makes the IC200UDR005-CH particularly suitable for applications where load circuits operate at voltages incompatible with solid-state output logic levels, or where load-side fault currents must not propagate back into the controller’s I/O bus.

The relay coil drive circuitry is protected by flyback suppression diodes on the internal coil side, limiting inductive kickback voltage spikes that would otherwise stress the output driver transistors. On the load side, the user is responsible for fitting appropriate surge suppression (MOV for AC loads, freewheeling diode for DC inductive loads) to protect relay contact life when switching inductive loads such as solenoid valves or motor starter coils.

The 24 VDC digital input circuit uses optical isolation between the field wiring terminal and the internal logic bus. Each input channel incorporates an LED-photodetector pair with an input threshold of approximately 15 VDC (ON) and 5 VDC (OFF), providing noise immunity against common-mode interference on long field cable runs. The sink/source configurable input architecture allows the same hardware to interface with both NPN (current-sinking) and PNP (current-sourcing) field sensors without rewiring — a practical advantage in mixed-sensor environments.

The internal power supply converts 120/240 VAC mains to the regulated DC rails required by the CPU logic and I/O bus. The wide-range AC input (85–264 VAC operational range typical for this class) provides tolerance against mains voltage fluctuations common in industrial environments, eliminating the need for an external voltage stabilizer in most installations. The power supply also incorporates inrush current limiting to prevent nuisance tripping of upstream circuit breakers during cold-start power-on cycles.

EMC compliance is achieved through a combination of internal filtering on the AC input, shielded PCB layout practices, and the inherent isolation provided by the relay output and optocoupled input stages. The CE marking confirms conformance to the EMC Directive (2014/30/EU) and Low Voltage Directive (2014/35/EU), validated through conducted and radiated emissions testing per EN 61000 series standards.

System Integration Benefits

• Elimination of External DC Power Supply: Direct 120/240 VAC input removes one BOM line item and one potential failure point from the panel design, reducing both capital cost and maintenance overhead.
• Mixed-Voltage Load Switching: Relay outputs switch AC and DC loads interchangeably, allowing a single controller to drive solenoids, contactors, and indicator lamps on different voltage rails without output module substitution.
• Deterministic Scan Execution: Fixed-priority scan cycle with ~0.8 ms/K execution rate ensures predictable I/O response timing, a prerequisite for interlock logic in safety-adjacent machine control applications.
• Proficy Machine Edition Diagnostics: Online monitoring via RS-232 provides real-time rung status, data register values, and forced I/O capability — reducing commissioning time and enabling remote fault diagnosis without physical I/O probing.
• Compact Panel Footprint: 130 mm DIN rail width for a 14-point I/O controller with integrated power supply minimizes enclosure size requirements, directly reducing panel fabrication cost.
• Sink/Source Input Flexibility: Configurable input polarity eliminates sensor rewiring when integrating third-party field devices with differing output transistor types, reducing integration engineering hours.
• Galvanic Output Isolation: Relay dry contacts prevent ground loop formation between the PLC logic bus and field load circuits, a common source of intermittent faults in mixed-voltage panel installations.
• Wide Operating Temperature Tolerance: 0°C to +55°C operating range accommodates non-climate-controlled industrial enclosures in temperate and subtropical environments without active cooling provisions.
• Supply Chain Traceability: The -CH suffix provides unambiguous manufacturing origin documentation, simplifying customs classification and import duty calculation for cross-border procurement.
• Established Platform Longevity: The VersaMax Micro platform has maintained backward programming compatibility across multiple software generations, protecting the investment in existing ladder logic programs during controller replacement or upgrade cycles.

Quality Assurance & Global Logistics

Each IC200UDR005-CH unit supplied by siemensplc.com is sourced through verified industrial distribution channels with full part number, date code, and country-of-origin traceability. Pre-shipment inspection includes visual examination of housing integrity, label authenticity verification against GE’s published marking standards, and functional power-on testing to confirm input/output operability prior to dispatch.

Shipments originate from Xiamen, China, utilizing DHL Express, FedEx International Priority, and UPS Worldwide Expedited services. Standard transit times to major industrial hubs: Europe 3–5 business days, North America 4–6 business days, Southeast Asia 2–3 business days. Full export documentation is provided with every shipment: commercial invoice, packing list, certificate of origin, and — upon request — a certificate of conformance and pre-shipment test report for regulated procurement environments.

All units are covered by a 12-month warranty against manufacturing defects from the date of receipt. Dead-on-arrival (DOA) units are eligible for replacement dispatch within 30 days of confirmed receipt, subject to return merchandise authorization. Technical support for installation, wiring verification, and Proficy Machine Edition connectivity is available via email throughout the warranty period.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
Location: Xiamen, China
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