Product Specification
| Specification | Product Image | |
|---|---|---|
| Manufacturers | Allen-Bradley |  |
| Subcategory | PLC Module/Rack | |
| I/O Points | 2048 ANALOG I/O | |
| Memory | 48K WORD SRAM | |
| Product Type | PLC CPU MODULE | |
| Product No. | 1785-L40B | |
| Category | PLCs/Machine Control | |
| Weight | 3.00 lbs | |
| Communications | 4 DH+/REMOTE I/O CHANNELS | |
| Backup Program | EEPROM PROGRAM BACKUP | |
| Product Family | PLC-5/40 | |
| Dimensions | 6.0" x 3.0" x 11.0"(15.2 cm x 7.6 cm x 27.9 cm) | |
| Country of Origin | United States | |
Product Details
Description:The 1785-L40B is a programmable controller from Allen Bradley from the PLC-5 series. The 1785-L40B connects to the local, extended and remote I/O modules on the communication interfaces. The controller has a 25-pin connector for communication and is an optically isolated EIA RS232C port. The front panel has an indicator light, which displays the communication status. When the channel is communicating, the indicator will show up green. There is a battery backup in the controller for the backup RAM. An EEPROM may be installed in the front panel slot for the program backup.
The maximum number of I/O is 2048. The 1785-L40B is to be operated within an ambient temperature range of 0 to 60 degrees Celsius. The humidity of the environment should be non-condensing between 5 to 95%. The 1785-L40B controller module has a 48K maximum user word memory; it has a three-position-switch, which is used to select the controller mode. The controller has three modes, which include RUN mode, which is used to run the program, the second mode is the PROG mode which is used to upload and transfer the program to the controller.
In the PROG mode, a user can modify and save the programs on the controller. The third mode is the REM mode, which is the remote mode; in this mode the outputs are enabled and the user can also save and edit the programs. The 1785-L40B is UL listed, CE certified, CSA certified and C-tick certified. The module must be installed by personnel trained on the system to prevent any damage to the equipment.
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