Overview
Configured for module mounting and backplane power distribution in the PACSystem RX3i platform, the Emerson Automation IC695CHS016 (IC695CHS016 Universal Backplane) provides the physical rack structure for up to 16 modules. It integrates a grounding bar and accepts isolated 24 VDC input through TB1.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC695CHS016 |
| Brand | GE |
| Series | PACSystem RX3i |
| Product Type | Universal Backplane |
| Backplane Type | Universal |
| Number of Slots | 16 |
| Mounting | Rack |
| Module Hot-swap | Supported |
| Grounding Bar | Integrated |
| Input Voltage | +24 VDC |
| Input Terminals | TB1 |
| Isolated 24 VDC Terminal | TB1, Terminal 7 |
| Isolated Ground Terminal | TB1, Terminal 8 |
| Current Rating | 600 mA at 3.3 VDC; 240 mA at 5 VDC |
| Internal Power Used | 600 mA at 3.3 VDC; 240 mA at 5 VDC |
| Recommended Wire Size | 14 to 22 AWG |
| Installation Clearance | 102 mm (4.0 in) on all sides |
| Required Installation Protection | NEMA/UL Type 1 (IP20) |
| Recommended Enclosure | IP54 or greater |
| Lifecycle Status | Active |
| Weight | 2.06 kg |
| Estimated Shipping Dimensions | 60.5 x 14 x 2.1 cm |
| Country of Origin | USA |
PACSystem RX3i Backplane and I/O Density
The IC695CHS016 provides 16 module positions within an RX3i rack. Each installed module connects through the backplane interface, while the backplane distributes internal DC power to the installed hardware.
The backplane requires a +24 VDC field connection through TB1. Terminal 7 provides the isolated 24 VDC connection, while Terminal 8 provides the isolated ground connection. Therefore, installers should maintain the specified terminal arrangement when wiring the rack.
The unit also supports module hot-swap operation. However, technicians should verify the specific module’s hot-swap capability and system operating procedure before removing or installing energized modules.
Frequently Asked Questions
Q: How many modules can the IC695CHS016 accommodate?
A: The IC695CHS016 provides 16 module slots in the PACSystem RX3i rack.
Q: What DC input does the backplane use?
A: The backplane uses a +24 VDC input through TB1. Terminal 7 is the isolated 24 VDC terminal, and Terminal 8 is the isolated ground terminal.
Q: What internal power does the IC695CHS016 consume?
A: The specified internal power use is 600 mA at 3.3 VDC and 240 mA at 5 VDC.
Field Installation Guidelines
Install the IC695CHS016 on the designated rack structure and maintain 102 mm (4.0 in) clearance on all sides. The surrounding enclosure should provide at least the specified NEMA/UL Type 1 (IP20) protection; an IP54 or greater enclosure is recommended in the supplied data.
Connect the +24 VDC supply to TB1 using the specified isolated terminals. Use 14 to 22 AWG wiring as recommended. Keep DC power wiring separated from high-energy switching conductors where practical.
Use the integrated grounding bar as part of the rack grounding arrangement. Ensure that the grounding connection remains mechanically secure and that conductive surfaces maintain proper electrical continuity.
Before replacing a module during energized operation, confirm that the module and the RX3i application support hot-swap operation. Follow the system shutdown or module replacement procedure when hot-swap operation does not apply.
