Allen Bradley 1769-SM1 Serial communication module

FAQ

Q1. What is the 1769-SM1 used for?
It is used to add serial communication capability to CompactLogix systems for connecting devices like HMIs, drives, and legacy equipment.

Q2. What communication standards does it support?
It supports RS-232 and RS-485 serial communication.

Q3. Which protocols are available?
It supports ASCII, Modbus RTU (Master/Slave), and DF1 protocols.

Q4. How many ports does it have?
It provides one configurable serial communication port.

Q5. What is the maximum baud rate?
It supports baud rates up to 38.4 kbps.

Q6. Can it communicate with Modbus devices?
Yes, it supports Modbus RTU communication for integration with third-party devices.

Q7. Is it isolated?
Yes, it includes electrical isolation between the communication port and the backplane.

Q8. What systems is it compatible with?
It is compatible with Allen-Bradley CompactLogix and MicroLogix 1500 systems.

1769-SM1 Allen Bradley

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