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1
General information
1.1
Application field
The Teta MOD Control 1 module is a control device designed for operation in the System for Gas Detection
Teta Gas. The module uses the technique of Digital Data Transmission – Teta Bus that enables both power
supply and addressable communication with gas detector via only a single pair of conductors.
The Teta MOD Control 1 Control Unit Module offers the following features:
communication with gas detectors,
control of light and sound warning devices (stack lights and beacons),
control of shut-off solenoid valves,
presentation of the system status on the operator’s HMI,
control of the entire system operation.
The Control Unit Module Teta MOD Control 1 is not designed for operation in areas with
potentially explosive atmospheres.
Key features of gas detectors
Handling up to 50 locations of gas monitoring point
.
Handling up to 8 valve controllers.
6 relay outputs.
2 binary inputs.
Separate control outputs for each of gases to be monitored.
Identification of hazardous locations – in case of gas leaks on the facility area the control unit
enables operators to identify locations with possible hazards.
1.2
Description of the operation
The Control Unit Module Teta MOD Control 1 scans statuses of gas detectors incorporated into the Gas
Detection System Teta Gas. The scanning results are presented on the device display and also by means of
LED indicators. The measured concentrations of gases and other information about the system status (e.g.
defects, failures) are used to control contacts of the device outputs and executive devices (valve
controllers).
The control module is furnished with mutually independent alarms and control outputs for flammable and
toxic gases, which enables separation of alarm signals and autonomous control of the ventilation system. It
is also possible to generate signals of the fire monitoring system if leaks of LPG are detected.
1 Gas monitoring point – independent gas detectors Teta EcoWent, Teta EcoN, Teta EcoDet or Teta EcoH as well as a
pair of collaborating device, i.e. a Teta EcoWent detector coupled with the Teta MiniDet device.
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User's Manual: POD-051-ENG R02
