GE · PACSYSTEMS RX3i · INDUSTRIAL AUTOMATION
GE IC694CHS392A
10-Slot Serial Expansion Backplane · PACSystems RX3i
IC694CHS392A is a 10-slot serial expansion backplane for PACSystems RX3i. It provides additional I/O positions for analog, discrete and special-function modules and connects to the main system through the RX3i serial expansion architecture. The leftmost position is reserved for a compatible serial expansion power supply, while the right side provides the expansion connection. A rack-number DIP selection must be set before modules are installed, and the serial expansion connection is designed for a maximum cable distance of 15 m (50 ft).
TECHNICAL PROFILE
Core specifications & engineering details
| Module function |
10-slot serial expansion standard I/O backplane |
| I/O positions |
10 module slots; leftmost position reserved for serial expansion power supply |
| Backplane type |
High-speed serial expansion backplane |
| Compatible power supplies |
IC694PWR321, IC694PWR330, IC694PWR331 |
| Expansion connection |
25-pin D-shell female connector |
| Maximum expansion cable length |
15 m / 50 ft |
| Internal power consumption |
150 mA at 5 Vdc |
| Rack addressing |
DIP selection switch for rack identification |
| Hot insertion/removal |
Not supported on this backplane |
| Mounting |
Panel mounting; mounting hardware arrangement supports enclosure installation |
| Expansion use |
Additional analog, discrete and special-function I/O capacity |
| System interconnection |
Can be used with RX3i expansion architecture and compatible Series 90-30 expansion arrangements |
SYSTEM POSITION
RX3i expansion architecture: CHS392A versus compact expansion options
IC694CHS392A is the larger 10-slot serial expansion choice in the RX3i family. IC694CHS398 provides five slots when a smaller serial expansion footprint is sufficient. The main RX3i universal backplane serves as the controller/system base, while CHS392A adds a remote group of I/O positions through the serial expansion link. The key planning variables are slot count, cable distance, power-supply position, rack addressing and the restriction against hot insertion/removal.
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IC694CHS392A
10-slot serial expansion backplane · 15 m / 50 ft maximum expansion cable |
IC694CHS398
5-slot serial expansion backplane for smaller expansion groups |
RX3i universal backplane
Primary system base for controller and local modules |
IC693CHS392
Series 90-30 10-slot expansion backplane; different platform context |
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PURCHASING QUESTIONS
Five buyer-focused FAQs for GE IC694CHS392A
How many usable module positions does GE IC694CHS392A provide for an expansion rack?
It provides ten I/O/module positions, with the leftmost position reserved for the compatible serial expansion power supply. Planning should therefore account for the power-supply position before counting available application slots.
What is the maximum cable distance for GE IC694CHS392A?
The serial expansion connection is specified for a maximum cable length of 15 m (50 ft). The total layout should keep the CPU/system backplane and the last expansion position within the applicable distance limit.
Can modules be inserted or removed while GE IC694CHS392A is powered?
No. Hot insertion and hot removal are not supported on this serial expansion backplane. Maintenance planning should therefore include an appropriate power-down procedure before changing installed modules.
Which power supply should be planned with GE IC694CHS392A?
The compatible serial expansion power-supply family includes IC694PWR321, IC694PWR330 and IC694PWR331. The selection depends on the system supply architecture and capacity requirements; the power supply occupies the leftmost backplane position.
Why choose GE IC694CHS392A instead of a five-slot expansion backplane?
The practical reason is expansion density. IC694CHS392A provides ten module positions, while the five-slot alternative is suited to smaller expansions. When a project needs several additional I/O or special-function modules in one expansion group, the ten-slot layout can reduce the number of separate expansion sections.
Order protection: Please contact AMIKON within 7 days after receipt if an issue occurs. Returned items should remain in original condition and include the specific return reason. A return or replacement can be arranged after the returned item is received. Shipping costs arising from the return are the buyer's responsibility.
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