Type:Logic ICs
Condition:New
Baby model:W-BJ8
Standard MODBUS RTU protocol from the device, and the PLC, MCGS, configuration king seamlessly, with an upper limit alarm relay and a lower limit alarm relay, you can set the upper and lower alarm temperature value, when the 8-way sensor in any way over Limit the temperature value, it will trigger the corresponding alarm relay pull-in, until the over-limit temperature recovery, in order to lift the alarm.
Terminal description:
24V external input working power source,DC12V~DC24V
GND external input working power supply
B 485 signal B (-)
A 485 signal A (+)
KC2 lower limit alarm relay normally closed contact
KO2 lower limit alarm relay normally open contact
COM2 lower limit alarm relay contact common end
KC1 upper limit alarm relay normally closed contact
KO1 upper limit alarm relay normally open contact
COM1 upper limit alarm relay contact common end
18B20 +5V temperature sensor
18B20 GND temperature sensor negative electrode
DQ7~DQ0 8 way 18B20 temperature sensor data
Job description:
Working current: 150mA
485 communication distance: no shorter than 1200 meters
18B20 sensor temperature resolution: 0.1
Alarm relay node capacity: DC30V/2A
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