Configured for solid-state switching of alternating current field loads within PACSystems RX3i networks, the GE IC694MDL340 (IC694MDL340 Discrete Output Module) provides direct physical/electrical execution.
| Parameter | Specification |
|---|---|
| Model | IC694MDL340 |
| Brand | GE Fanuc / Emerson |
| Origin | Factory standard |
| Weight | 0.20 kg (0.44 lbs) |
| Dimensions | Single-slot chassis occupancy |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 315 mA maximum at 5 VDC (from backplane bus when all channels are energized) |
| Channel Density | 16 output points |
| Output Grouping | 2 isolated groups (8 points per group) |
| Rated Output Voltage | 120 VAC |
| Output Voltage Range | 85 to 132 VAC |
| Output Frequency | 47 - 63 Hz |
| Current Rating per Point | 0.5 A maximum |
| Current Rating per Group | 3.0 A maximum |
| Minimum Load Current | 50 mA |
| Maximum Inrush Current | 20 A for 1 cycle |
| On-State Voltage Drop | 1.5 VAC maximum |
| Off-State Leakage Current | 2 mA maximum at rated voltage |
| Response Time (On / Off) | On: 1 ms maximum / Off: 1/2 cycle maximum |
| Galvanic Isolation | 250 VAC continuous (group-to-group), 1500 VAC for 1 minute (field-to-logic) |
| Protection Fuses | 2 pre-installed fuses (3 A, part number 44A724627-111, 1 per group) |
| Relative Humidity | 5% to 95% (non-condensing) |
The module handles discrete actuation profiles by interfacing 16 AC output channels directly over the PACSystems RX3i parallel backplane. Internal gate arrays route command blocks from the primary controller, drawing a peak of 315 mA from the 5 VDC bus rail. To prevent high-frequency line harmonics from degrading backplane bus communication velocity during maximum I/O density scaling, each circuit group incorporates an integrated RC snubber network. Optical isolation components provide a continuous 250 VAC group-to-group barrier and a 1500 VAC field-to-logic shield, suppressing electrical transients from high-inrush inductive and incandescent loads before they affect backplane data frames.
Q: Can the separate output groups on this module be sourced from different AC power phases?
A: Yes. Because the 16 channels are divided into two distinct groups of eight with an independent common return and 250 VAC continuous insulation for each group, they can be connected to separate AC power supply phases or derived from a uniform single-phase source.
Q: What is the mechanical action required if an internal circuit fault causes a fuse to fail?
A: The module is equipped with a dedicated front panel "F" LED indicator to register a cleared condition. The user must isolate power, pull the module from the slot, and replace the corresponding internal 3 A fuse using the approved replacement part number 44A724627-111.
Q: Does this hardware support live insertion and extraction within the active chassis?
A: Yes. The PACSystems RX3i backplane protocol allows for hot-swap execution of I/O modules, provided the specific safety steps, grounding procedures, and slot constraints outlined in the system controller firmware manual are maintained.
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