4a

Description

The Open Control System Controller is a fully programmable input monitoring controller that is intended for Building Control System; Environment Control System and HVAC Control Systems. The Controller being fully programmable will ensure control & monitoring application versatility, allowing specific application to be created according to each facility or application requirement. The controller is a fully configurable controller based on the PIC series micro-controller with an on-board clock and one RS-485 communications Bus. The sixteen digital inputs are be used for pulse counting and reading contact closures directly. The sixteen analog inputs are be used for reading the 10K thermistor, 4 to 20mA and 0 to 10VDC input signals.

  • 12-bit, Analog-to-Digital Converter
  • Power Supply – 24VAC or 24VDC
  • Surface Mount Device (SMD)
  • Analog Input Monitoring
  • Digital Input Monitoring
  • Alarm Monitoring
  • Trend Logging

The fact that the controller is fully programmable ensures complete control and monitoring application flexibility. The same standard controller hardware can be used for control and monitoring of the following applications:

  • HVAC, BAS & EMS Systems.
  • Chiller, Heat Pump units and Rooftop units.
  • Other types of programs can be developed according to customers’ specifications.

Technical Specifications

Supply Voltage/Power Consumption: 24VAC or 24VDC/ 10VA (plus loads)
Protection: 1A Fuse
Analog Inputs: 16 x 10K thermistors or 16 x 4 to 20mA or 16 x 0 to 10VDC. Accuracy: 0.1% full scale or 16 x for reading contact closures directly
Digital Inputs: 16 x for reading contact closures directly complete with surge protection (Photocoupler Type)
Microprocessor: PIC Micro-Controller (128 KB SRAM & 256 KB FLASH)
Communications: 2 x RS-485 Bus (One System Bus & One Controller Bus). Baud
Rate: 9600~76.8Kbps. Maximum Length: 4000 ft (1.2km)
Freely Programmable: Yes, using DLC Software Tool
Indication: 1 x Green LED for Power / 16 x Green LED for Digital Inputs
Cover Dimension: 146mm x 114mm x 38mm
Weight: 400g
Ambient limits:
a) Storage: -10 to 90 ºC; less then 90% rh, non-condensing
b) Operating: 0 to 70 ºC; 10 to 90% rh, non-condensing

Controller Physical Dimension