Description: PID controller with accurate auto tune and PID control algorithms has a universal input with transmitter supply, up to four relay outputs, and one isolated analog (current/voltage) output for control or retransmission. It has an RS485 serial port with Modbus RTU protocol. X94 has a large number of user programmable parameters, including input type, input range, unit, direct/reverse outputs, digital filter, display bias, six alarm types, two control types and manual PID constants. It can be tuned from cold start, or at set point. It has bumpless auto/manual transfer. The plastic panel mount enclosure is 96 x 48 x 115 mm. The plug-in construction allows instantaneous field replacement without affecting the terminal wiring. It has an 85- 265 VAC SMPS, and is also available with 20-30 V DC power supply. Also available are versions in 96 x 96,72 x 72,48 x 96,48 x 48 mm and pipe and wall mounting flameproof and weatherproof enclosures.
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