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W A T L O W<strong>Barrel</strong> TemperatureControllersAccessoriesDAC and SDAC ModulesThe optional DAC and SDACmodules are used to convert opencollector outputs to analog voltageor current signals. SDAC modulesmay only be used with WatlowCLS200, CPC400, D8, MLS300 andPPC-2000 controllers.DACThe DAC (digital to analog converter)converts a controller’s variable timebase (also known as distributed zerocrossing or DZC) output to an analogprocess control signal. Each DACsupports two independent analogoutputs. Output signals are availablein 4-20mA VÎ(dc), 0-5 VÎ(dc) and0-10V Î(dc).DAC SpecificationsStorage Temperature• -20 to 60°C (-4 to 140°F)Operating Temperature• 0 to 50°C (32 to 122°F)Humidity• 10 to 95 percent, non-condensingDimensions• Length 112 mm (4.4 in.), Width91 mm (3.6 in.), Height 44 mm(1.75 in.)Power Requirements• 12 to 24 VÎ(dc),100 mA @ 15 VÎ(dc)Accuracy• ±6 percent of full scaleSDACThe SDAC (serial digital to analogconverter) allows CLS200, CPC400,D8, MLS300 and PPC-2000controllers to output precise analogvoltage or current signals. The unitis typically used for PV retransmit,open-loop control, motor or beltspeed control or phase-angle firedSCR power controller. The SERIALDAC is jumper-selectable for a 0 to10 VÎ(dc) or 4 to 20 mA outputs.Multiple SERIAL DAC modules canbe used with the same controller.SDAC SpecificationsStorage Temperature• -20 to 60°C (-4 to 140°F)Operating Temperature• 0 to 50°C (32 to 122°F)Humidity• 10 to 95 percent, non-condensingDimensions• Length 137 mm (5.4 in.),Width 91 mm (3.6 in.),Height 44 mm (1.75 in.)Power Requirements• 4.75 to 5.25 VÎ(dc), 100 mAResolution• 15 bitsAccuracy• 0.05 percent (voltage full scale);0.5 percent (current full scale)Agency Approvals• UL ® and C-UL ® (UL ® 916); CE(EMC directive 89/336/EEC)Injection Molding<strong>Barrel</strong> Temperature Controllers179