A-B 1746-BAS
The Allen-Bradley 1746-BAS module is a basic language module for SLC 500 systems. It has RS-232/423, -422, -485 and DH-485 communication ports for connecting modems, printers, HMI and other devices. The module has 24KB of battery backup RAM for data and user program storage. In addition, it supports a wide range of baud rate transfer speeds in full-duplex mode and can be configured to connect to a modem by using the DF1 protocol. The 1746-BAS module provides a single-slot module solution for SLC 500 modular or stationary hardware, thereby enhancing the functionality of the system and simplifying the data collection and integration process1.
Product parameters:
Communication ports: include PRT1, PRT2, and DH485 communication ports. Among them, PRT1 and PRT2 support RS232, 423/422, 485 communication mode, baud rate range from 300 to 19200 baud rate 1.
Memory size: 24 KB with battery-powered RAM1.
Power load function: 0.150A at 5 volts DC, 0.040A1 at 24 volts DC.
Communication distance: The maximum communication distance is 1230 m 1.
Data transfer rate: For SLC 5/01 processors and later, there is a standard data transfer rate of 8 input words and 8 output words1
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