Products Description
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Manufacturer：Allen Bradley
Product Number：1785-L20B
Product Type：PLC-5/20 Processor Module
Origin：USA
Dimensions：115 mm × 317 mm × 160 mm
Weight ：~1.0–1.3 kg
FAQ
FAQ
Q1. What is the 1785-L20B used for?
It is a PLC-5/20 processor used to control industrial automation systems such as production lines and process equipment.
Q2. Is it a communication module?
No, it is a CPU (processor module), not a communication interface.
Q3. What memory does it have?
It has 16K words of battery-backed SRAM for program and data storage.
Q4. What networks does it support?
It supports DH+, Remote I/O, and serial communication (RS-232/422/423).
Q5. How many I/O points can it handle?
Up to 512 I/O points total (or 512 in + 512 out in complementary mode).
Q6. What chassis is it installed in?
It is installed in a 1771 I/O chassis system.
Q7. Does it require a battery?
Yes, it uses a lithium battery for memory retention.
Q8. Is it still in production?
No, it is a legacy/discontinued PLC-5 controller used mainly for maintaining older systems.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
