Controller - gefran 850 Installation And Instruction Manual

1.3.

850 Controller

Dimensions 48 × 48 × 100 mm (1/16 DIN)
Main features
• Operator interface with large LCD Display
• Scrolling diagnostics messages, configurable, in the selected
language
• Easy, guided configuration, copy/paste parameters even with
power off
• Preventive maintenance with energy counters (kWh) and load
switching
• 32 function block applications
• 8 Math application blocks
• Timer, setpoint and algorithm programmer for controlling
motorized valves
• Advanced tuning of control parameters
• Different password levels
• 2 configurable universal inputs for Thermocouples, resistance
Thermometers, Linear inputs
• 2 PID control loops
• 2 setpoint programmers (192 steps in 16 programs, or 12
programs with 16 fixed steps each)
• Relay, logic, isolated analog outputs
• Up to two TA inputs for interrupted load diagnostics
• RS485 serial communication in Modbus RTU slave
• RS485 serial communication in Modbus RTU master for
reading/writing information to Modbus slave devices
• Ethernet Modbus TCP communication in Slave mode
• Web server for browser access to web pages residing in the
device, for monitoring and setting parameters
• Bridge function for creation of Modbus RTU 485 sub-network
• Weekly clock\calendar with RTC
• Removable faceplate for immediate replacement
• Accuracy 0,1%, sampling time 60 ms
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