ELECTRONIC CONTROL MODULE FOR ELECTRIC HEATING ECM
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ELECTRONIC CONTROL MODULE FOR ELECTRIC HEATING ECM

Electric heating control

The ECM terminator is an electronic control module specially designed to control heating systems that provide protection against freezing of pipelines and tanks. The ZT-WP model is designed for wall mounting (or pipe mounting) using a single stainless steel mounting bracket. The ZT-XP model includes a mounting column that simplifies the installation of the thermostat on the pipe and provides for the insertion and connection of two heating cables inside the housing. Housing material ECM reinforced glass-reinforced polymer, dust moisture protection class IP66.

The ECM provides connections of two sensors: a temperature control sensor and a temperature limiter sensor. In the standard version, ECM reports the temperature of the pipeline (tank) to the RS-485 physical network using the Mod-Bus RTU communication protocol. In addition, there are two communication options: CAN-Bus or 4-20mA. ECM terminators are designed for use in normal (not classified) areas and are certified according to ATEX for use in explosive areas of Category 2 and 3 (Zone 1 and 2)). ECM-OS is available in a stainless steel box case for use in marine environments.

Technical specifications

  • Degree of protection IP66
  • The maximum exposure temperature of the pipe is 232 ° C
  • Minimum installation temperature -60 ° C

Voltage:

120 V AC +10%/-15% (50/60 Hz) or 220-240 V AC +10%/ -15% (50/60 Hz)

  • Ambient operating temperature range -60 °C to +55 °C
  • Minimum ambient temperature storage range -74 °C
  • Switch control options such as SPST and DPS


Commutated current

  • SPST 30/30/20 amplifiers (25°C, 40 °C, 55°C)
  • DPST 28/23/17 amplifiers (25°C, 40°C, 55°C)
  • Emergency exit 2 A
  • Electrical connections terminal block
  • Control range From 0 ° to 500 ° C
  • Temperature measurement range -60 ° to 500 ° C


Measurement accuracy. Temperature

  • ± 1°C (0°C to +55°C ambient)
  • ±2°C (0°C to -60°C ambient)
  • Temperature sensor 100 ohm three-wire Platinum RTD
  • High tempo. Alarm/shutdown programmable (automatic or manual reset)
  • RTD input circuit intrinsically safe (EXi)
  • Electrical wear resistance of working cycles 100,000 cycles

Terminal blocks consist of:

  1. Terminals (6pcs) 10mm2 line/load/ PE terminals;
  2. Terminals (3 pcs) 3mm2 comm. port terminals;
  3. Glue(3) 3mm2 alarm relay terminals;
  4. Terminals(2 x 3) 2.5mm2 sensor terminals.

Data and communication capabilities

Ability to select automatic or manual reset limiter action

control/ installation of the limiter setting in Celsius or Fahrenheit

combines a power box and a control module in one device

Construction:

  1. Junction box, reinforced polymer glass with DIN rail and terminals
  2. Mounting column made of reinforced polymer glass (or stainless steel bracket for wall mounting)
  3. Three-wire RTD and PT sensors (to be ordered separately)