GE Fanuc IC697CHS790 9-Slot Rack | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: Ic697chs790
Condition：New with Original Package
Product Type: PLC Racks
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC697CHS790 Series 90-70 PLC Rack
The GE Fanuc IC697CHS790B, also cataloged as the IC697CHS790 9-Slot Rack, operates as a dedicated hardware component for module housing and electrical backplane interconnection within VME-based Series 90-70 PLC platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC697CHS790B / IC697CHS790 (44A724845-G01) |
| Brand | GE Fanuc (Emerson Automation) |
| Origin | USA |
| Weight | 5.16 kg (11.38 lbs) |
| Dimensions | 283.2 mm x 482.6 mm x 190.5 mm (11.15 in x 19.0 in x 7.5 in) |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 2.5 W (0.5 A @ 5 VDC required from I/O Bus) |
| Rack Type | 9-slot programmable controller mounting rack |
| Bus Architecture | VME Standard C.1 high-speed backplane |
| Slots Configuration | 9 I/O slots plus 1 dedicated power supply slot |
| Maximum 5V Current | 20 A (100 W supply), 11 A (55 W supply), 18 A (24/48 VDC supply) |
| Mounting Type | Panel mount (Rear and Front mounting supported) |
| Enclosure Depth Req | Minimum 254 mm (10.0 in) enclosure depth |
| Rack Identification | 4 hardware jumpers located behind rack power supply |
| Component Material | Heavy-duty galvanized steel with anti-corrosion coating |
Backplane Bus Communication Velocity and I/O Density Scaling
The GE Fanuc IC697CHS790 utilizes a VME standard C.1 backplane architecture to dictate the total bus communication velocity across all installed modules. The multi-layer printed circuit board layout establishes a deterministic parallel data path, handling high-speed logic execution cycles while maintaining electrical signal integrity during full I/O density scaling. The bus structure requires no hardware DIP switches or slot-allocation jumpers for module addressing; instead, users configure I/O references purely via programming software, allowing the backplane to execute automatic slot sensing across all 9 available interfaces.
Frequently Asked Questions
Q: What determines the maximum current threshold on the +5 VDC backplane bus?
A: The current capacity is bounded by the installed power supply module. The backplane conductors sustain a maximum distribution limit of 20 A when driven by a 100 W AC/DC supply, 18 A when using a 24 VDC or 48 VDC input supply, and drop to 11 A when paired with a standard 55 W power supply.
Q: How does the system differentiate multiple racks in a multi-chassis expansion network?
A: Physical rack identification is derived from a set of four hardware configuration jumpers situated directly behind the power supply module slot. Field engineers must manually configure these jumpers to establish unique binary addresses before connecting expansion cables.
Field Installation Guidelines
- Enclosure Encasement and Clearances: Secure the assembly inside a panel providing at least 254 mm of depth clearance. Ensure adjacent components maintain standard industrial clearance boundaries to support natural thermal heat dissipation.
- Grounding Connection Protocols: Connect a low-impedance copper ground strap from the heavy-duty galvanized steel frame directly to the main cabinet earth ground bus bar. This path discharges structural high-frequency noise away from the VME bus traces.
- Cable Strain Relief Mandate: When integrating multi-rack expansion systems via the IC697CBL700 power supply extension cable, anchor all wiring harnesses to external brackets to prevent structural stress from transferring into the delicate rear backplane connectors.