1769-L23E-QB1B
This controller operates with a bus current rating of 1 Amp at 5V DC and 710 mA at 24V DC. It accommodates expansion with two Bulletin 1769 CompactLogix I/O modules and features 512 KB of user memory. Compatible components include the 1769-BA battery, 1769-ECR end cap, and 1769-RDQB door.