User manual - DRR450
5
Introduction
Thanks for choosing a Pixsys controller.
The DRR450 series integrates in a single device the main
elements of the control loop: reading of temperature
sensor, control output by SSR module, reading and control
of the current on the load by means of integrated current
transformer. Serial communication RS485 and ModbusRTU
protocol allow the connection to PC/HMI Panels for
supervisory functions/remote control.
A second output is available for alarm or management of
cooling systems for double PID action.
1
Safety guide lines
Read carefully the safety guidelines and programming
instructions contained in this manual before using/
connecting the device.
Disconnect power supply before proceeding to hardware
settings or electrical wirings.
Only qualified personnel should be allowed to use the device
and/or service it and in accordance to technical data and
environmental conditions listed in this manual.
Do not dispose electric tools together with household waste
material. In observance European Directive 2002/96/EC on
waste electrical and electronic equipment and its implemen-
tation in accordance with national law, electric tools that have
reached the end of their life must be collected separately and
returned to an environmentally compatible recycling facility.
2
Model identification
DRR450-12A-T
Power supply 24Vdc ±10% + 1 logic output
5Vdc/20ma + 1 logic output 24Vdc/50ma
+ RS485 +current transformer
Summary of Contents for DRR450
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