Allen-Bradley 1747-SN Remote I/O Scanner Module
Extend your control system over long distances. The 1747-SN scanner module connects your SLC 500 processor to remote I/O devices. It lets you place I/O racks far from the main controller. This saves wiring costs and increases flexibility. The module fits in one chassis slot and is easy to set up.
Key Features
- Long Distance Control: Works over cables up to 10,000 feet long.
- Fast Data Transfer: Supports two baud rates: 57.6K and 230.4K.
- Multiple Device Support: Connects up to 16 devices (32 in special mode).
- Wide Compatibility: Works with SLC 5/02, 5/03, 5/04, 5/05 processors.
- Easy Setup: Uses simple DIP switches for baud rate selection.
Technical Specifications
- Brand: Allen-Bradley
- Model: 1747-SN
- Series: SLC 500
- Module Type: Remote I/O Scanner
- Communication Port: One Remote I/O (3-pin)
- Baud Rates: 57.6 Kbaud, 230.4 Kbaud
- Max Cable Length: 3048 meters (57.6K), 762 meters (230.4K)
- Max Devices: 16 normal mode, 32 complementary mode
- Backplane Power: 600 mA @ 5V DC, 90 mA @ 24V DC
- Operating Temperature: 0 to 60°C
- Storage Temperature: -40° to +85°C
- Humidity: 5 to 95% (non-condensing)
- Weight: 1 pound (0.45 kg)
- Cable Type: Belden 9463
- Termination: 82 Ohm resistor required
Installation Guide
Install the 1747-SN in any SLC 500 chassis slot. Use Belden 9463 cable for connections. Set the baud rate using the two DIP switches. Remember to add 82-Ohm resistors at both ends of the network. Always turn off power before module installation.
Compatibility Information
- Controllers: SLC 5/02, 5/03, 5/04, 5/05
- Network Topology: Daisy-chain
- Supported Devices: PanelView terminals, PLCs, third-party adapters
Warranty & Shipping
We provide a 12-month warranty on this module. We ship worldwide using reliable carriers: FedEx, UPS, and DHL.
Frequently Asked Questions
- What is the maximum cable length for the 1747-SN?
At 57.6K baud, you can use up to 10,000 feet (3048 meters) of cable. - How many devices can I connect to one scanner?
You can connect up to 16 devices in normal mode, or 32 in complementary mode. - What cable should I use with this module?
Belden 9463 cable is recommended for best performance. - How do I set the communication speed?
Use the two DIP switches on the module to select the baud rate. - Do I need special termination?
Yes, you need 82-Ohm, 1/2 Watt resistors at both ends of the network.
Download Complete Manual
For full installation and wiring details, get our complete technical manual.
Download SLC 500 Hardware Manual Here
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