Allen-Bradley 1769-ASCII Communication Interface Module
$123.00
$320.00
Description
Allen-Bradley 1769-ASCII Communication Interface Module
The Allen-Bradley 1769-ASCII, also cataloged as the 1769-ASCII Communication Interface Module, operates as a dedicated hardware component for ASCII serial data exchange within CompactLogix and MicroLogix 1500 controller platforms. The module provides two configurable serial communication channels supporting RS-232, RS-422, and RS-485 interfaces.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-ASCII |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.07 lbs |
| Operating Temp | 0 to 62 deg C |
| Power Consumption | 425 mA @ 5 VDC; 2.13 W maximum dissipation |
| Product Type | Communication Interface Module |
| Product Line | CompactLogix |
| Communication Protocol | ASCII |
| Serial Ports | 2 configurable channels |
| Serial Interface | RS-232, RS-422, RS-485 |
| RS-232 Configuration | 2 full duplex ports |
| RS-422/RS-485 Configuration | 2 half duplex ports |
| Handshaking | RTS/CTS hardware handshaking |
| Isolation Voltage | 30 V continuous |
| Backplane Current | 1.4 A at 24 V |
| Input Words | 108 |
| Configuration Words | 31 |
| Power Dissipation | 2.13 W maximum; 7.3 BTU/hr thermal dissipation |
| Mounting | DIN rail or panel mount |
| Recommended Cable | Belden 8761 shielded cable |
EtherNet/IP and Industrial Control Platform Integration
The 1769-ASCII module interfaces with CompactLogix controller architectures through the backplane connection and provides serial communication processing for ASCII-based devices. The module supports configurable data exchange using RS-232, RS-422, and RS-485 electrical standards.
Communication configuration includes transmit and receive data handling, transaction ID transmission from 0 to 255, and status monitoring functions including TX FIFO overflow, RX FIFO overflow, parity errors, handshake errors, and new data flags. The module architecture supports I/O density scaling within CompactLogix systems by adding serial communication channels without external serial converters.
Frequently Asked Questions
Q: How many serial communication channels are available on the 1769-ASCII module?
A: The module provides two serial channels. Each channel can be configured for supported ASCII communication through RS-232, RS-422, or RS-485 interfaces.
Q: What type of power connection does the 1769-ASCII module use?
A: The module receives operating power from the controller backplane. The specified power rating is 425 mA at 5 VDC.
Q: Which cable type is recommended for serial communication wiring?
A: A shielded Belden 8761 cable is recommended for serial signal wiring to reduce electrical interference.
Field Installation Guidelines
Install the 1769-ASCII module on the CompactLogix chassis using DIN rail or panel mounting methods according to the controller system installation requirements.
Use shielded serial communication cables and maintain separation between communication wiring and high-voltage power conductors. Connect cable shields following the controller grounding requirements to minimize electromagnetic interference.
Verify RS-232, RS-422, or RS-485 wiring configuration before commissioning. Confirm communication parameters, handshaking settings, and ASCII data format compatibility between the module and connected serial devices.
Ensure the module is installed within the specified operating temperature range and that the backplane power capacity is sufficient for the installed CompactLogix configuration.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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