Watlow F4 Process Controller

Watlow F4 process controller

The SERIES F4 1/4 DIN temperature process controller offers performance features to meet a wide range of industrial processing needs. The F4 process controller is ideal for semiconductor manufacturing equipment, plastic processing and packaging equipment and industrial process control applications.

This process controller features a four line, high definition LCD interface display, in addition to an information key that enables easy set up and control operation, minimizing the chance for error. Its 16-bit microprocessor ensures accuracy and delivers performance advantages you can count on from a Watlow controller.

Four digital inputs remotely modify controller operation or enable display of pre-defined operator messages. Advanced process controller features include cascade, ratio, differential, duplex slide wire and retransmit options.


Control/Limit Loops:  1/0
Alarms:  2
Mounting:  1/4 DIN front panel
Max Output:  2A
Phase Configurations:  1
Ambient Operating Range:  0 to 65°C  (32 to 149°F)
Agency Approvals:  UL®/C-UL®, NEMA 4X, IP65, CE
Communication Protocols:  Modbus® RTU
Display Height:  1.75 in. (44 mm) combined
Warranty (years):  3