Allen-Bradley MicroLogix 1400 User Manual

98 Rockwell Automation Publication 1766-UM001I-EN-P - June 2015
Chapter 5 Using the LCD
Follow these steps to view and change the data values of the bit file B3.
1. On the Main Menu screen, select Monitoring by using the Up and Down
keys on the LCD keypad.
2. Press the OK key on the LCD keypad. The File Number prompt is
displayed.
3. If number 3 is selected, as shown in step 2, press the OK key. If not
selected, press the Up or Down key to select it and then press the OK key.
4. The current data value (ON) of the B3:0/0 bit is displayed, as shown
below. Note that “0/0” is flashing, which means the cursor is at the target
bit position.
5. We will change the data value of the B3:0/0 bit to OFF (0).
First, press OK to select the displayed address and move the cursor to the
data value position. Then, “ON” will flash, which means the cursor is at
the data value position.
6. Press the Down key. Then, the data value will be represented as “OFF”.
Note that “OFF” is still flashing, which means the cursor is still at the data
value position.

Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes