Allen-Bradley micrologix 1500 Reference Manual

Publication 1762-RM001C-EN-P
A-6 MicroLogix 1200 Memory Usage and Instruction Execution Time
Execution Time Example – Word Level Instruction Using and Indirect Address
ADD Instruction Addressing
•
Source A: N7:[*]
•
Source B: T4:[*].ACC
•
Destination: N[*]:[*]
ADD Instruction Times
•
ADD Instruction: 2.7 µs
•
Source A: 5.8
µ
s
•
Source B: 6.5
µ
s
•
Destination: 24.5
µ
s
Total = 36.5
µ
s
Execution Time Example – Bit Instruction Using an Indirect Address
XIC B3/[*]
•
XIC: 0.9
µ
s + 5.8
µ
s = 6.7
µ
s True case
•
XIC: 0.9
µ
s + 5.8
µ
s = 6.7
µ
s False case

Allen-Bradley micrologix 1500 Specifications

General

Processor Type	16-bit
Programming Language	Ladder Logic
Mounting	DIN rail or panel mount
Programming Software	RSLogix 500
Communication Ports	RS-232
Power Supply	24V DC
Operating Temperature	0°C to 55°C (32°F to 131°F)
Controller Type	Programmable Logic Controller (PLC)