Product Short Description
Product Introduction:
The IC200MDD844 is a discrete mixed input/output (I/O) module in GE Fanuc’s VersaMax PLC series, featuring 32 I/O points split into 16 discrete inputs and 16 discrete outputs. Inputs use positive logic to receive current from external devices and return it via common terminals, while outputs are positive logic/sourcing type, switching loads to the positive side of the DC supply to drive loads. It integrates seamlessly with VersaMax CPUs or Network Interface Units (NIUs) for distributed I/O control, with intelligent processing handled by the host CPU/NIU. It supports input filter selection and has individual LEDs for input/output status and group-level fault indication, with negative logic input and 12V output requiring version IC200MDD844C or higher.
Description
Technical Specifications
- I/O Configuration: 32 total points (16 inputs + 16 outputs); inputs: 2 groups of 8 points each; outputs: 1 group of 16 points.
- Input Type: Positive logic discrete inputs; 0–30 VDC (nominal 24 VDC); input impedance ≤10 kΩ.
- Input Response Time: 0.5 ms base; selectable filters (0/1/7 ms); default 1 ms.
- Output Type: Positive logic/sourcing discrete outputs; 10.2–30 VDC (nominal 24 VDC); 0.5 A max per point @ 30 VDC.
- Power Requirements: Backplane: +5 VDC @ 70 mA; external field power: 18–30 VDC (nominal 24 VDC).
- Isolation: 1500 V RMS (field to logic); 250 V continuous (group-to-group).
- LED Indicators: Individual green LEDs for input/output on/off status; amber LEDs for output group overload; field power (FPWR) and backplane power (BPWR) OK LEDs.
- Dimensions: 110 mm × 66.8 mm × 50 mm (4.33 in × 2.63 in × 1.97 in); weight ~0.2 kg.
- Mounting: 35 mm × 7.5 mm DIN rail (conductive finish); hot insertion supported.
- Operating Environment: 0°C to +60°C; 5–95% RH (non-condensing); CE, UL, CSA, CCC certified; Class I, Div. 2, Groups A–D.
- Filter Options: 0 ms, 1 ms, 7 ms selectable input filters to suppress noise and contact bounce.
- Logic Support: Negative logic input and 12V output available with IC200MDD844C or higher.
Functional Characteristics
- Mixed I/O Integration: Combines 16 inputs and 16 outputs in a single module to save rack space and reduce wiring complexity.
- Selectable Input Filtering: Adjustable input response time filters mitigate noise and contact bounce for reliable signal acquisition.
- Sourcing Outputs: Drives DC loads (solenoids, relays, small motors) by switching to the positive side of the DC supply.
- Grouped I/O Isolation: 250 V group isolation prevents cross-group interference and simplifies wiring for different field devices.
- Comprehensive Diagnostics: Individual status LEDs and group overload indicators enable quick fault identification and troubleshooting.
- Hot Insertion: Supports hot swapping for maintenance without system shutdown.
- Host-Driven Processing: Relies on VersaMax CPU/NIU for intelligent control, ensuring consistent I/O processing across distributed systems.
Application Scenarios
- Industrial Automation: Assembly lines, material handling, and packaging machinery; consolidates I/O in tight control cabinets for sensor/actuator interfacing.
- Process Control: Chemical, water treatment, and food processing; 0.5 A outputs drive valves/pumps, while filtered inputs capture sensor data reliably.
- Machine Control: CNC machines and textile equipment; mixed I/O reduces module count and eases integration with distributed I/O architectures.
- Building Automation: HVAC, lighting, and access control; 24 VDC compatibility integrates with building sensors/actuators.
- Remote I/O Expansion: Distributed systems using VersaMax NIUs; hot insertion supports maintenance without downtime.
- Retrofit Projects: Upgrades legacy GE PLC systems with modern mixed I/O capabilities while preserving existing wiring.
- Space-Constrained Installations: Compact design fits small enclosures while delivering 32 I/O points for cost-effective system design.
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