Technical specifications for IC697CHS790
Manufacturer: GE Fanuc Emerson
Product Line: Series 90-70
Part Number: IC697CHS790
Weight :11.38 lbs (5.16 kg)
Product Description: 9-slot , rear mount, rack
No. of I/O slots :9 slot plus power supply
Description :Programmable controller mounting rack
Voltage :5 Volts DC
Mounting: Panel mounting
Current :20 Amperes
Supported mounting: Rear and Front mounting
VME System :designed to support the VME standard C.1
Rear mounting: 10" (255 mm) enclosure
Rack extension: Supported
Standard :VME
Front Mounting :19" Standard rack
Supported :Two (2)
Maximum :5 Volt Current 20 amps (100 watt 120/240 VAC or 125 VDC power supply) 11 amps (55 watt 120/240 VAC or 125 VDC power supply) 18 amps (90 watt 24 VDC power supply) 18 amps (90 watt 48 VDC power supply)
Power supply extension cable: IC697CBL700
Number of Slots :9
Current Required from I/O Bus :0.5 amps
Enclosure Depth :10 inches
I/O References: User configurable without the use of module jumpers or DIP switches
Rack Identification: Four (4) jumpers behind rack power supply
VME System :VME standard C.1
Compatible modules: All IC697 modules
The IC697CHS790 is a 9-slot rear-mount rack belonging to the GE Fanuc Series 90-70 Programmable Logic Controller (PLC) product line, which is now manufactured by Emerson Automation following its acquisition of the GE Fanuc automation business. This hardware serves as a dedicated mounting and connectivity platform for IC697-series modules via its integrated electronic mounting slots, enabling all installed modules to connect to the backplane for power supply access and data communication with a Central Processing Unit (CPU) or communication adapter.
In addition to the 9 slots designated for IC697-series functional modules, the rack features a dedicated slot for the installation of a rack power supply unit. Its physical dimensions are 11.15 inches in height, 19 inches in width, and 7.5 inches in depth (equivalent to 283 mm × 483 mm × 190 mm). For applications requiring expanded I/O capacity, the rack supports the connection of up to two additional extension racks, all of which can share a single power supply module. The IC697CHS790 features software-configurable I/O configuration, while rack identification and addressing are set via four jumpers located behind the rack power supply slot. As a rear-mount rack, it requires a minimum installation space of 10 inches in depth to ensure proper fit and maintenance access.
To address heat buildup concerns in high-load operating environments, the rack is compatible with specific fan accessories tailored to different power sources: the IC697ACC721 for 120 VAC systems, the IC697ACC724 for 240 VAC systems, and the IC697ACC744 for 24 VDC systems. When implementing rack extension configurations, the IC697CBL700 power supply extension cable kit is required to deliver power to the subsequent extension racks.
Electrical specifications of the IC697CHS790 rack include a 5 Volts DC voltage rating and a 20 Amperes current rating. As a core component of the Series 90-70 PLC system, it is engineered for industrial automation applications, providing a standardized platform for configuring CPUs and I/O modules. The rack does not require additional slots or jumpers for I/O module integration and supports slot addressing functionality, allowing users to configure I/O point references through dedicated switches and jumpers.
The rack is equipped with a mechanical interlocking mechanism that prevents accidental or unauthorized module misplacement, enhancing operational safety and system reliability. Cable routing is optimized with wiring bundles directed from the bottom of the terminal board to protect the terminal board housing from damage. For extended I/O setups, it supports the use of power supply extension cables, which must be securely connected before system power is applied.
To enhance system noise immunity, proper installation practices are required: the power supply must be firmly mounted, the GND terminal should be connected to both sides of the rack and grounded to earth, and the rack is designed with a ground shield integrated into its bottom rail. Furthermore, the IC697CHS790 complies with VME standards, ensuring compatibility with industry-wide hardware and interface requirements.
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