ST720 relay module

The relay alarm module adopts digital integrated design, providing two alarm relays and one 4~20A output to DCS or PLC for remote monitoring. At the same time, it provides loop power supply for the sensor or signal conditioning module, and can be connected with any 4~20mA loop sensor and signal conditioning module, and customers can program the module according to the needs of the field to control the relay activation switch, and has an adjustable LED digital display function.

The relay alarm module adopts digital integrated design, providing two alarm relays and one 4~20A output to DCS or PLC for remote monitoring. At the same time, it provides loop power supply for the sensor or signal conditioning module, and can be connected with any 4~20mA loop sensor and signal conditioning module, and customers can program the module according to the needs of the field to control the relay activation switch, and has an adjustable LED digital display function.

technical specification

electrical characteristics

Power supply: 24~32VDC, Max150mA, upper computer power supply.

Sensor power: 24VDC, 4mADC power.

Maximum load resistance: 600Q

Sensitivity: 0~100mm/sec adjustable).

0~100g (adjustable).

Node type: single pole double throw, SPDT

Alarm relay function: latching or non-latching

Relay contact load:

70°C (resistance): 8 amps, 250VAC/30VDC

85°C (resistance): 5 amps, 250VAC/30VDC

Alarm (each alarm): The high and low values can be set arbitrarily

Alarm action delay: 0 to 99 seconds

Alarm setting: 0 to 99% of full scale, in 1% increments

Bias voltage: 0~18V, in 1 V Steps4

Vibration output: 4~20mA or 0~10 VDC

physical characteristics

Working temperature: -35°C+50°C

Storage temperature: -40°C+100°C

Temperature: 0~95%, non-condensing

Weight: 140g

Dimensions: 115 (L) × 22 (W) × 99 mm (H).