Question 1

Can I set this up to open and close a home door lock that turns dc motor?

Accepted Answer

It’s just a relay. It simply sends the 12vdc from the supply to either line. What you use the 12vdc for is irrelevant, providing it doesn’t draw more current than the relay is rated for. 
For a lock the only issue I can see is when you would cut power off. You would need to manually trigger the relay and time it yourself, knowing how long it takes the lock to fully engage or disengage. 
At the price of this it’s worth trying, yet I would imagine someone makes ‘smart locks’, albeit for likely a few hundred bucks. 
The distance from your trigger to the lock will be a factor, yet assuming we’re talking about a house, I can’t see that being an issue. You’ll need to run 2 wires minimum, 3 if you want forward and reverse. Either a 3 way rocker switch or 2 separate switches.

Question 2

can i use with photocell?

Accepted Answer

I do understand the concept of a photocell, but have not used it with this module. It maybe possible, but not sure how the module may react with any type variable voltage that photocell could have to activate the module as a switch.  Me personally, if I had an application that needed a photocell, I would not hesitate to try it out with the module and take my chances of needed.

Question 3

If i supply pwm 12v to the v+, does it pass through to the m1, enabling pwm speed control?

Accepted Answer

Not sure how to answer your question but there are different ways to get what want from this device. The for/rev wires are simply a switch that will control the direction of the currect for M1 or M2

Question 4

Does anyone know how to wire this relay to a plc cpu with sourcing outputs?

Accepted Answer

It will require adding 2 spst relays and turn each on with you PLC outputs. The fwd/rev motor relay requires a hard contact closure between 0 & fwd and 0 & rev for it to operate.

ASIN	B0879GGVPZ
Best Sellers Rank	148,851 in Automotive ( See Top 100 in Automotive ) 641 in Car Relays
Brand	OONO
Coil Resistance	10 Ohms
Connector Type	Clamp
Contact Current Rating	10 Amps
Contact Material	Silver
Contact Type	Normally Open
Current Rating	10 Amps
Customer Reviews	4.5 4.5 out of 5 stars (785)
Manufacturer	CZH-LABS
Manufacturer Part Number	F-1020
Maximum Switching Voltage	15 Volts
Minimum Switching Voltage	10 Volts (DC)
Model Number	F-1020
Mounting Type	Surface Mount
Number of Terminals	3
Operation Mode	Automatic
Specification Met	energy
Wattage	125 watts

Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V)

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