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GE IC670MDL740J Discrete Output Module
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- Part Number: IC670MDL740J
- Brand: Honeywell
- Type: Discrete Output Module
- Dimensions: 4x18.5x12.7cm
- Country of Origin: USA
- Barcode: 8537101190
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Additional Specifications
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Product Description
The GE Fanuc IC670MDL740J, also cataloged as the IC670 Discrete Output Module, operates as a dedicated hardware component for high-density discrete signal actuation within Field Control I/O stations. The sub-assembly provides 16 positive logic sourcing outputs natively at the hardware tier to energize pilot lamps, relay coils, and low-current solenoid-actuated devices across modular expansion frameworks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC670MDL740J |
| Brand | GE Fanuc Emerson |
| Origin | USA |
| Weight | 0.50 lbs (0.23 kg) |
| Dimensions | Standard Field Control I/O module footprint |
| Operating Temp | 0 to 60 deg C standard industrial unventilated enclosure tolerances |
| Power Consumption | 111 mA maximum current drawn from BIU power supply |
| Channel Density | 16 discrete output channels |
| Output Configuration | Positive logic, sourcing type (switches positive side of DC supply) |
| Output Voltage Nominal | 12/24 VDC |
| Output Voltage Range | 9.2 to 29.5 VDC continuous (10 to 30 VDC user input range) |
| Output Current Rating | 0.5 A maximum per point; 4.0 A maximum per module load capacity |
| Minimum Load Current | 1 mA per point |
| Output Leakage Current | 0.5 mA maximum at 30 VDC |
| Maximum Inrush Current | 2.0 A maximum with 100 ms maximum duration |
| Output Response Time | 200 ms maximum at 0.5 A resistive load |
| Output Voltage Drop | 0.5 V maximum across internal switching logic |
| Group Isolation | None (single group configuration) |
| Dielectric Isolation Limit | 1500 VAC for 1 minute / 250 VAC continuous (User to logic and frame ground) |
| Circuit Protection | Built-in 5 A group fuse with blown-fuse diagnostic monitoring |
| Integrated Termination | 25-terminal block supporting AWG #14 to #22 wire sizes |
| Product Type | Digital Output Cards |
Industrial Control & Drive Communications
- Backplane Bus Communication Velocity and Density Scaling The internal processing matrix coordinates digital state updates via a passive parallel backplane structure connecting directly to the local Bus Interface Unit (BIU). The sub-assembly packages 16 independent channel data blocks into continuous data packets, transmitting output fault flags and channel arrays down to microsecond execution cycles to ensure synchronized field device updates.
- Profinet / EtherNet/IP Deterministic Network Telemetry The module relies on the host BIU to bridge discrete point states across deterministic network topologies. Diagnostic data registers—including active low-voltage thresholds (under 9.8 VDC) and specific blown-fuse fault alarms—are parsed natively into hardware status words and routed continuously over upstream networks to preserve industrial process loop integrity.
Frequently Asked Questions
Q: What technical behaviors manifest when the user input voltage drops below 9.8 VDC?
A: The module internal logic tracks the incoming external power supply level. If this voltage sags below the 9.8 VDC hardware threshold, the unit registers an under-voltage fault state, illuminates the localized diagnostic LED, and generates a dedicated low-voltage error register message to send to the host Bus Interface Unit.
Q: How is the module protected if polarity is accidentally reversed on the external DC supply?
A: The input circuit topology routes external source power directly through an internal 5 A slow-blow group fuse. A reverse polarity connection creates a short-circuit pathway across the safety protection diodes, instantly blowing the fuse to isolate the internal multi-layer boards from overcurrent destruction.
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