CZH-LABS D-1008 User manual

CZH-LABS
Electronics-Salon
Model: D-1008
Voltage Comparator Relay Module

Features：
Support internal or external reference voltage.
LED indication for relay action.
Hongfa JQC-3FF 10 Amp power relay.
Panel mount or DIN rail mount types to choose. DIN rail mount version can support width 35 / 32 / 15mm
rails.
Electrical Parameters:
Operating voltage / current: 12V DC / 50mA.
Internal reference voltage adjust range: 0 ~ 10V.(for internal reference voltage mode)
External reference voltage range: 0 ~ 10V. (for external reference voltage mode)
Input signal voltage: 0 ~ 10V.
Size:
Panel mount version: 72.5 x 47.35 x 20mm (L x W x H)
DIN rail mount version: 83 x 50 x 42mm (L x W x H)
Choose Version List:
1. MD-D1008, Panel mount.
2. MD-D1008T, DIN rail mount.
Circuit Schematic and PCB Size:

For internal reference voltage mode:
REF OPTION setting: J2 - IN shorted and J1 –EX disconnect.
Terminal block VCC connect power supply +12V DC.
Terminal block GND connect power supply ground(neutral, 0V) and input signal ground.
Terminal block REF not connect any circuit and wires.
Terminal block TRIG connect input signal.
Reference voltage adjust: adjust the VR1 potentiometer, and use voltage-meter test terminal block
REF OPTION J1 pin position voltage, you can got 0 ~ 10V reference voltage.
When the input voltage > reference voltage, relay switch Cto NC disconnected and Cto NO
connected. when the input voltage < reference voltage, relay switch Cto NC connected and Cto NO
disconnected.
For external reference voltage mode:
REF OPTION setting: J2 - IN disconnect and J1 –EX shorted.
Terminal block VCC connect power supply +12V DC.
Terminal block GND connect power supply ground(neutral, 0V) and input signal ground.
Terminal block REF connect external reference voltage.
Terminal block TRIG connect input signal.

When the input voltage > reference voltage, relay switch Cto NC disconnected and Cto NO
connected. when the input voltage < reference voltage, relay switch Cto NC connected and Cto NO
disconnected.