Model AC991 devices are modular devices that have been designed to measure and control different types of processes variables and all modules can be configured seperately. Complying international standards, reliability and user friendly usage features are the design principles of these devices. So that, they are ergonomic devices that can be used easily in many different industrial sectors.

For the detailed information about device, [Device Cataloque] ve [User's Guide] links can be used.

• 2 Item 4 Digit 1 Item 3 Digit Display
• 1 Item 21 LED’li Bar Indicator
• 6 Item LED Indicator
• 1 Item Transmitter Supply Output (24Vdc)
• 1 Item Universal Sensor Input (TC, RT, mA, mV, V )
• 1 Item Yardımcı Analog giriş (0/4-20mA)
• 1 Item Potentiometer Input (100-1500W)
• 3 Item Digital Input (15V)
• 1 Item RS485 Communication Unit
• 2 Item Analog Output (0/4-20mA, 0/2-10V)
• 4 Item Relay or Logic Output (24V)
• 100-240Vac Universal or 24Vac/dc Supply
• Isolation between Input/Output Modules

• Proportional Valve Control with position feedback
• Proportional Valve Control without feedback(Floating Control)
• PID Heating/Cooling
• Auto-Tuning (Automatic settings of PID parameters)
• Automatic/Manual/Program Operating Modes
• Bumpless Transfer Ability
• Sensor Error Detection
• Remote Set Point (Determining Set Point Remotely)
• 8 Item Optional Set Point
• Ramp Function
• Retransmission (For Process and Set Vaues)
• 15 Different Relay Functions
• ON/OFF, P, PI, PD, PID Controls
• Linear and Time Proportioning Control Output
• 100ms Sampling and Control Cycle
• Standard MODBUS RTU Communication Protocol