Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Knowledgebase Quick Starts 633
Example
The following example will generate a waveform on Output O:0/2 at a
frequency of 250Hz and a 50% Duty Cycle.
The following ladder logic will need to be entered into File #2
By toggling Bit B3/0 the PWM can be activated.
Note: Once activated the PWM will continue to generate a waveform until
B3/0 is toggled OFF or the PWMX:0/EH (Enable Hard Stop) bit has been
activated.
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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