Description
Product Description
The IC694MDL752 is a high-density 32-point DC output module for the PACSystems RX3i series, designed for precise, high-speed discrete control applications. This negative-logic (sinking) module supports TTL 5 V loads for low-power electronics as well as 12/24 V industrial loads such as relays, solenoids, lamps, and valves.
The module organizes outputs into four isolated groups of eight points, each with its own common, allowing mixed-voltage operation on the same module. Optical isolation and internal pull-up resistors enhance noise immunity and signal reliability. Each point features an individual LED for real-time status indication.
Technical Specifications
Output Characteristics
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Number of Outputs: 32 points (4 groups × 8)
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Output Type: Negative logic (active-low, sinking)
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Voltage Range: TTL Mode 4.75–5.25 VDC; 12/24 V Mode 10.2–28.8 VDC
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Maximum Current per Point: TTL 25 mA; 12/24 V 0.5 A
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Maximum Current per Group: 4 A total; 3 A per common pin (two pins per group)
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Internal Pull-up Resistor: Yes, active in TTL mode
Isolation Ratings
Power Requirements
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Backplane Power Draw: 260 mA @ 5 VDC max
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User Load Power: External 5 V, 12 V, or 24 V supply required depending on mode
Mechanical & Installation
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Dimensions: 34 × 145 × 140 mm
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Mounting: RX3i I/O slots, any position
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Terminal Blocks: Compatible with IC694TBB032 / IC694TBS032
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Status Indicators: 32 individual LEDs
Performance
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Maximum Response Time: 0.5 ms
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On-State Voltage Drop: TTL Mode 0.4 V max; 12/24 V Mode 0.24 V max
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Off-State Leakage Current: 0.1 mA max
Environmental Ratings
Key Features
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32-point negative logic DC output with four isolated groups
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Supports TTL (5 V) and 12/24 V industrial loads simultaneously
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Individual LEDs for each output point
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Optically isolated outputs for enhanced noise immunity
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Compact, high-density design for RX3i PLC racks
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Fast 0.5 ms response time for high-speed control applications
Applications
Ideal for discrete control of relays, solenoids, lamps, valves, and other mixed-voltage industrial devices in manufacturing, process automation, and distributed control systems.
FAQ
Q: Can this module drive mixed voltage loads simultaneously?
A: Yes, each group can be configured for TTL or 12/24 VDC independently.
Q: What is the maximum current per output?
A: TTL mode: 25 mA per point; 12/24 V mode: 0.5 A per point.
Q: Are the outputs isolated?
A: Yes, each group is optically isolated, and field-to-backplane isolation is rated 250 VAC continuous.