DC34D

DC34D

Cooling station controller with management of electronic proportional expansion valve (stepper valve)

DIN rail housing, display, 24 VDC power supply, 2 relays, 1 stepper motor control, 5 PT1000 inputs, 1 0-10V input, 2 digital inputs, bus interface, clock, plug-in terminals. The DC34D module is a controller that performs measurement, monitoring and control functions for refrigeration units equiped with electronic proportional expansion valve.

Stepper motor control, directly compatible with Danfoss CCMT and Carel ExV series expansion valves, as well as with all stepper motors via a configurable generic mode (number of motor steps, speed, phase current and holding current).

The module is mounted on DIN rails.

The DC34D module can be programmed using the Teleswin supervision software or directly via the buttons on the front of the housing. The integrated display shows the values measured by the connected sensors and is used for parameter programming.

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Description

Technical documentation

Positive temperature cooling unit	yes
Negative temperature cooling unit	yes

White display	yes
Inputs
PT 1000	5
0-10 V	yes
Digital	2
Outputs
Relays	2
Stepper motor control	1
Power supply	24 ± 5% VDC
UPS/Battery	24 ± 5% VDC
Remote monitoring bus interface	yes
Clock	yes
Electronic expansion valve	yes
Local bus for extensions	yes

Power supply
Supply voltage	24 ± 5% VDC
UPS/Battery	24 ± 5% VDC
Maximum input power	4 W
Protection rating	1
Contamination rating	2
Overvoltage category	II
Conditions of use
Temperature	0-40°C
Humidity	0-80% (without condensation)
Breaking capacity of relays outputs	inductive load 6 A 250 VAC, resistive load 10 A 250 VAC
Clock – reserve operating margin	4 days
Input 0-10 V	range of measurement: 0-10 V