DPC Front Monitor Temperature Control Device

Brand: BARTEC Category: EX PROOF HEAT TRACING EQUIPMENT

Ex Proof Heat Tracing Equipment - DPC Front Monitor Temperature Control Device

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DPC Front Monitor Temperature Control Device

Process-value feedback by 4 to 20 mA analog output
Logic output for SSR
Universal measuring input
Modbus RTU
Very good measuring accuracy

The DPCfront Monitor temperature control device is designed as a control device with special functions: heating current monitoring, external setpoint switching and communication through RS 485. It works in the factory setting as a PID control device with a logic output and a relay output. As an alternative, the same device can also be used as a ON/OFF control device. The device is used to regulate a logic output for solid state relays. The relay output is used for alarm signalling. In addition a digital input can be used to choose between different setpoints. The high and low alarm function, sensor monitoring, heating circuit monitoring and heating current monitoring offer additional safety for temperature regulation. When using the device with the factory setting, a simple setup is used for putting into operation for the first time. For example the setpoint, analog output limits, heating currents, low alarm, and if desired, the high alarm must be set.

Application Areas:

Industrial process monitoring
Laboratory environments
Cold storage rooms
Pharmaceutical and food storage
Data centers
Greenhouse and agricultural applications
HVAC system monitoring
Furnace and drying system monitoring
Extruder Heating monitoring
Hot press applications monitoring.

Product Description

DPC Front Monitor Temperature Control Device

TECHNICAL DATA
Control characteristics	PID or ON/OFF
Sensor input	Pt 100, NTC, PTC Standard signals 4 to 20 mA; 0/1 to 5 V, 0/2 to 10 V Standard signals 0 to 50 mV, 0 to 60 mV, 12 to 60 mV Thermocouple J, K, S (etc.)
Input impedance	at 4 to 20 mA 51 Ω, at mV 1 MΩ
Input impedance	depending on the sensor version
Measuring accuracy with resistance thermometers with thermocouples at standard signals	± 0.15 % of actual value or ± 1 °C, the higher value applies ± 1 digit ± 0.15 % of actual value or ± 1°C, the higher value applies ± 1 digit (see in addition reference junction accuracy) ± 0.15 % of actual value ± 1 digit
Accuracy of reference junction with thermocouple measurements	0.04 °C for each °C of the control device’s operating temperature (20 min. of the control device’s operating time)
Sampling frequency at the sensor input	7.5 Hz
Current transformer input	max. 50 mA
Digital input	on-floating, i. e. floating contact required
Output 1	Logic output for SSR control (DC 20 V/20 mA)
Output 2	Analog output 4 to 20 mA, maximum load: 300 Ω
Output 3	Relay output 1 normally open contact (5 A - AC 1, 250 V)
Output auxiliary supply	DC 12 V/max. 20 mA
Electrical service life of the relay outputs	At least 100.000 switching cycles
Interface	RS485 (optically isolated)
Communikation protocol	Modbus RTU
Transmission speed	1200 to 38400 bauds
Protection class	II
Power consumption	max. 9 VA (depending on connection of outputs)
Weight	0.2 kg