DC 24V 8-Channel 10A Relay Control Module Bi-Directional Isolated Control Module High Low Level Trigger (DC 24V, 10A 8-Channel)

Size: DC 24V |
Color: 30A
2-ChannelModule control side: 5-wire interface, all interfaces have terminals, user-friendly wiring 1, DC
+: external DC power supply positive 24V 2, DC-: external DC power supply negative 3, VREF: photoelectric isolation control terminal reference ground, -If
high-level control is used: This signal should be connected to the negative terminal of the user's control panel power supply -If low level control is used: This signal should be connected to the positive terminal of the user's control panel power supply
CH1: relay control interface, -If VREF is connected to the power supply negative: This port is high (relative to VREF) when the corresponding relay pulls -If VREF is connected to the power supply positive: This port is low (relative to VREF) when the corresponding relay pulls
Note: the isolated relay module in order to adapt to the electromagnetic environment is relatively poor or relatively high signal requirements of the occasion, if you want to achieve a complete isolation effect, the user control panel power supply (that is connected to the VERF reference power) and the relay module power supply (DC + / DC-) should be separated, if the two power supply shared ground, then the effect is not fully isolated, then the user can use the standard relay module.
Relay output: 6-wire interface, all interfaces have terminals, user-friendly wiring 1, NO1-NO2: relay normally open interface); 2, COM1-COM2: relay common interface; 3, NC1-NC2: relay normally closed interface;
Package Inluded: 1*DC 24V 2-Channel 30A Relay Module