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Quest Controls’ QCL-DM88 dimming module are specifically designed for Daylighting applications using dimmable ballasts. These dimming modules connect to BACnet Controllers over the LINKnet network.
Each of the device’s eight outputs is capable of controlling up to fifty 1-10V dimming ballasts. Each output has an associated photocell input with a calibration potentiometer to adjust sensitivity of the input which the controller uses in a built-in Proportional-Integral (PI) loop to smoothly adjust the lighting levels to the desired setpoint.
- Built-in PI control loop
- Communicating on LINKnet
- Easy-to-mount housing
- Calibration potentiometer for photocell
The QCL-DM88 provides up to eight channels of simple distributed daylighting control per module reducing field wiring by being able to locate the module close to the zones being controlled.
8 x Analog Photocell Inputs – 10 bit
8 x 1-10V Analog Outputs
25mA current sinking each
8-bit Processor with internal A/D, Flash and RAM
LINKnet @76,800 bps RS-485
Set via dip switch Address range: 1 to 12
Removable screw-type terminal connectors
24 VAC, 15 VA
-40o to 140oF (-40o to 60oC), with enclosure
10 - 90% RH (non-condensing)
Internal electronics rated from -40 to 85 degrees
7 5/8 x 4.0 x 1 7/8 in. (19.2 x 10 x 4.8 cm) with housing
0.55 lb. (250g) with housing
Order the controller and desired options with the following product numbers:
QCL-DM88 Dimming Module with (8) Photocell Inputs, (8) 1-10V outputs.