What is a PLC Rack or PLC Chassis?

Hello Experts, I would like to get some explaination on the Rack and Slot selection when selecting node address

The PLC-5 and SLC-500 use a rackslotregisterbit method for addressing the IO modules For example input point 15 in slot 2 of rack 1 would

how to get next vip slot When PLC rack is inserted in PLC manager, slots startwith number 1 If I use Allen-Bradley PLSs, the module numbers start with 0

slot online indonesia terpercaya The PLC-5 and SLC-500 use a rackslotregisterbit method for addressing the IO modules For example input point 15 in slot 2 of rack 1 would