IC694MDL754 GE Fanuc PACSystems RX3i Datasheet & Technical Manual

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GE Fanuc IC694MDL754 PACSystems RX3i Discrete Output Module Configured for high-density discrete switching tasks in PACSystems RX3i networks, the GE...

SKU: IC694MDL754

Manufacturer: GE Fanuc
Product No.: IC694MDL754
Product Type: Discrete Output Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 380g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

GE Fanuc IC694MDL754 PACSystems RX3i Discrete Output Module

Configured for high-density discrete switching tasks in PACSystems RX3i networks, the GE Fanuc IC694MDL754 (IC694MDL754 Discrete Output Module) provides direct physical/electrical execution. This hardware component routes 12/24 VDC positive logic sourcing power straight to industrial field loads through two galvanically isolated point groups.

Hardware Specifications

Parameter	Specification
Model	IC694MDL754
Brand	GE Fanuc (Emerson Automation)
Origin	United States
Weight	0.38 kg (0.84 lbs)
Dimensions	Standard RX3i single-slot module dimensions
Operating Temp	0 to 60 deg C
Power Consumption	300 mA @ 5 VDC (Backplane current consumption)
Output Points	32 points divided into 2 groups of 16
Logic Type	Positive Logic (Sourcing)
Output Voltage Range	+10.2 to +30 VDC
Maximum Output Current	0.75 A per point (Maximum 12 A per module, temperature dependent)
Switching Response Time	Less than or equal to 0.5 ms (Off-to-On and On-to-Off)
Isolation	250 VAC continuous (Field-to-Backplane and Group-to-Group)
Short Circuit Protection	Electronic Short Circuit Protection (ESCP) per individual point
LED Status Indicators	32 green point status LEDs, 1 red module fault LED
Terminal Block Compatibility	IC694TBB032 or IC694TBS032
Certifications	UL, CSA, CE, Class I Division 2 Hazardous Locations

Backplane Bus Communication and Network Execution

The IC694MDL754 interfaces directly with the PACSystems RX3i backplane bus, utilizing a high-velocity parallel bus structure to exchange standard discrete output data tables with the central processing unit. The logic processing mechanism relies on firmware flash compatibility metrics that align directly with the primary CPU operating system revision. Upon receiving command words over the backplane bus, the module executes point-state updates in less than 0.5 ms. When short-circuit or overcurrent events trigger the Electronic Short Circuit Protection (ESCP) circuitry on any individual channel, the onboard logic isolates the faulted point and transmits an immediate diagnostic fault interrupt packet across the backplane bus to the RX3i CPU, stopping localized damage without dropping overall network synchronization.

Frequently Asked Questions

Q: Does the IC694MDL754 support hot-swap insertion and removal within the RX3i backplane? A: No. Standard RX3i single-slot backplanes do not permit hot-swapping of discrete I/O modules. System power to the local backplane rack must be completely isolated before inserting or removing the module to prevent electrical damage to the backplane communication pins.
Q: What happens to the output states if the module loses backplane communication with the CPU? A: Upon detection of a backplane communication loss, the module executes a predefined fail-safe command sequence. All 32 discrete output channels automatically transition to a de-energized (Off) state to secure the connected field elements.
Q: How does the maximum module current scale with ambient temperature? A: While each point can handle up to 0.75 A individually, the aggregate module limit is restricted to 12 A under baseline conditions. At higher ambient temperatures up to the 60 deg C limit, standard thermal dissipation profiles dictate derating schedules that reduce the total simultaneous current capacity across both 16-point groups.

Field Installation Guidelines

Mounting and Orientation: Slide the module firmly into a single slot of an RX3i universal backplane until the top and bottom connectors seat completely. Tighten any integrated retention screws to secure the chassis connection.
Terminal Wiring Architecture: Utilize either the IC694TBB032 (Box style) or IC694TBS032 (Spring style) 36-terminal block. Route field wiring using copper conductors rated for the specific current load and an operating temperature range suitable for the environment. Ensure appropriate separation between the DC output wiring and any high-voltage AC cables within the wire duct.
Power Source Separation: Wire each of the two 16-point groups (Points 1-16 and Points 17-32) to independent 12/24 VDC external power supplies if distinct electrical isolation between banks is required. Each group possesses its own isolated common return pin.
Shielding and Grounding: Standard industrial practice requires all external field power supply commons to be securely tied to the primary system functional earth ground at a single point. Ensure the backplane rack is mounted to a grounded metal subpanel to enable low-impedance paths for transient noise suppression.

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