123electric 123/SmartRelay Manual Download Page 3

 
 
 
 

 
 

Albertronic BV 
The Netherlands 
E-mail: [email protected] 
www.123electric.eu 

Mounting 

The module contains two long bolts and nuts to keep the module’s relays in place. It is possible to 
mount the module by removing the nuts, drilling the respective two holes in the plate where the 
modules needs to be mounted and adding the nuts again behind the plate. 
Another option is to remove one bolt and then insert the desired mounting bolt/screw. When done, 
remove the other bolt and replace this with the other desired mounting bolt/screw.  

Note: always make sure there is one bolt in the relay when changing the other. Otherwise the 
module will lose its strength.  

Connecting the module 

First make sure the module is powered by connecting pin 1 of the connector to the negative pole of 
the power supply like a battery pack. Now connect pin 4 of the connector to the positive pole of the 
power supply. The system is functional. 

As soon as a signal like the positive of the power supply is applied to input 1 (pin 2 of the connector), 
relay 1 turns on. When the signal is  removed, the relay turns off. Relay 2 behaves the same. By 
applying a signal to input2, relay 2 turns on. Removing the signal turns relay 2 off. 

 

 

Summary of Contents for 123/SmartRelay

Page 1: ...Albertronic BV The Netherlands E mail info 123electric eu www 123electric eu 123 SmartRelay 123 SmartRelay manual V1 2 ...

Page 2: ...hargers Smart An integrated microcontroller ensures reliable operation in harsh environments combined with very low power consumption Two LEDs display the current state of each relay One flash means the relay is off two flashes indicate the relay is on It s as simple as that Specifications Description Value range Operating supply voltage range 9 0V to 70 0V Operating temperature range 40 to 70 C M...

Page 3: ...e other desired mounting bolt screw Note always make sure there is one bolt in the relay when changing the other Otherwise the module will lose its strength Connecting the module First make sure the module is powered by connecting pin 1 of the connector to the negative pole of the power supply like a battery pack Now connect pin 4 of the connector to the positive pole of the power supply The syste...

Page 4: ...rtronic BV The Netherlands E mail info 123electric eu www 123electric eu Example schematics with 123 SmartBMS Figure 1 123 SmartBMS example with 2 current sensors Figure 2 123 SmartBMS with 1 current sensor ...

Page 5: ... voltage of 12V the total load is 150A Connected are two inverters both 75A One inverter is used for the sockets water kettle and lightning the other inverter for the water heater 900W Connect input1 to input2 of the SmartRelay Relay 2 will now always be in the same state as relay 1 Relay 1 can be used to switch the power of inverter 1 relay 2 can be used to inverter 2 Do not connect both poles of...

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