Here are some key features and specifications of the 1747-L541/B PLC module:

Processor Type: The 1747-L541/B module is equipped with an Allen-Bradley SLC 5/04 processor.

Memory: It has 32K words of memory for program storage and data handling.

Communication Ports: The module features two communication ports: a Channel 0 DH-485 port and a Channel 1 RS-232 port. These ports allow for network connectivity and communication with other devices.

I/O Capacity: The 1747-L541/B supports up to 4096 inputs and outputs when used with compatible I/O modules. The specific number of I/O points depends on the configuration and combination of input and output modules used.

Programming Software: This PLC module can be programmed using RSLogix 500 software, which is the programming environment specifically designed for Allen-Bradley SLC series PLCs.

Allen Bradley 1734 Series Plc Model 

1734-IE2V

1734-IE4C

1734-IJ

1734-IK

1734-IM4

1734-IT2I

1734-OA2

1734-OA4

1734-OB2

1734-OB2EP

1734-OB4

1734-OB4E

1734-OB8

1734-OE2V

1734-OV8E

1734-OW4

1734-PDN

1734-RTB

1734-SSI

1734-TB

1734-TB3

1734-TBCJC

1734-TBS

1734-TOP

1734-TOP3

1734-TOP3S

1734-TOPS