Another relay module issue
Posted: Sat Jul 11, 2015 6:37 am
Jon,
Im moving our conversation to the forum so others can way in or learn as you suggested. Thank you for the quick response. I Cant find a schematic of the board but have this information below. So everyone understandes my issue. This is how I have everything connected.
The pictures are being cut off so heres a direct link:
http://i1256.photobucket.com/albums/ii4 ... 6542B8.jpg
http://i1256.photobucket.com/albums/ii4 ... 0C4D_1.jpg
I have a seperate power supply providing 12 VDC connected to the small two pin terminal you see in the bottom right corner of the picture. Its labeled GND/12V. My BSC is getting its power from a 12V to 6 V step down transformer powered by the same power power supply that I have connected to the relay board power input.
I dont have a pin connector for the board inputs (the 20pin connector next to the relay power connection) so I simply stripped a jumper wire and connected it from my BCS output0 terminal and touched the #1 input pin on the board. This is the only wire coming from my BCS and the BCS output is turned off with zero volts verified. In this configuration the relay triggers? I dont have anything connected to the relay common or No NC terminals. A load isnt needed to test the interface of the BCS to the board. When I turn the BCS output on and have 5VDC to pin 1 of the board the relay relaxes to its normally open postion, unpowered state. I removed the BCS output 0 wire completly and I then connected a wire from the BCS GRd terminal and touched input pin 1 on the board and the relay triggered. So this leads me to beleive my relay triggered off a ground. But the specs of the board (see below) state that it needs a driver current of 15-20MA and the I/O input port is active low. This doesnt indicate to me a ground is the trigger. Im fustrated beyond belief! The input pins also has a 5v and GND pin along with the 16 others for the relays. I dont know what that is. I know Im not supposed to use the BCS 5v output to drive the board and Im not doing that or using the 5v pin in any way. Could this be the issue. Anyone know what those two pins do?
Im just not convinced I have the wrong relay. Any help would be greatly apptriciated!!!
Here is the link where I purchased: http://www.amazon.com/gp/product/B00WQR ... ge_o00_s00
Equipped with high-current relay, maximum load: AC250V 10A, DC30V 12A
Indication LED's for Relay output status;12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current
With optocoupler protection, strong anti-interference ability
Standard interface can be controlled directly by microcontroller, such as Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP433, TTL logic
4 fixed threaded holes, easy to install
Specification:
Compactible with a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on.
12V relay contact capacity 10A 250V, with optocoupler protection, strong anti-interference ability.
Onboard power supply module does not require an external power supply.
I / O port driver is active low.
Working voltage: 12V.
Channel: 16 channel.
Size: 17.6 x 9 x1.7cm.
Warranty: Lifetime warranty.
Package include:
1 x relay Module
BEBONCOOL is a registred trademark, which has been filed at Amazon. Any unauthorized sales activity will be considered as a violation of intellectual property rights.
jon' s private message to me:
Do you have any kind of wiring spec for the board? Do you have the BCS ground tied to the board's ground? You likely will need the BCS 5V constant current supplied to the 5V marking on the board as well, but I can't guarantee that without some kind of specs on the board.
Yes there are some relay boards that are driven from a ground signal instead of the input voltage signal. Additionally, there are boards that can use either. The fact that the board has a 5v input tells me that it can probably be driven both ways, but would need the 5V tied to the BCS in order to use it as a reference for the trigger voltage. I can't be certain on that though since I've not seen any specs on the board.
Driving improper loads from the BCS can fry the outputs, so I would make sure it is wired and operating correctly.
Is there any reason you have two user ID's? I would like to delete one. Let me know which one you want to keep.
Also, questions like these should be posted to the forum since others will have and have had similar issues. We all learn together.
Im moving our conversation to the forum so others can way in or learn as you suggested. Thank you for the quick response. I Cant find a schematic of the board but have this information below. So everyone understandes my issue. This is how I have everything connected.
The pictures are being cut off so heres a direct link:
http://i1256.photobucket.com/albums/ii4 ... 6542B8.jpg
http://i1256.photobucket.com/albums/ii4 ... 0C4D_1.jpg
I have a seperate power supply providing 12 VDC connected to the small two pin terminal you see in the bottom right corner of the picture. Its labeled GND/12V. My BSC is getting its power from a 12V to 6 V step down transformer powered by the same power power supply that I have connected to the relay board power input.
I dont have a pin connector for the board inputs (the 20pin connector next to the relay power connection) so I simply stripped a jumper wire and connected it from my BCS output0 terminal and touched the #1 input pin on the board. This is the only wire coming from my BCS and the BCS output is turned off with zero volts verified. In this configuration the relay triggers? I dont have anything connected to the relay common or No NC terminals. A load isnt needed to test the interface of the BCS to the board. When I turn the BCS output on and have 5VDC to pin 1 of the board the relay relaxes to its normally open postion, unpowered state. I removed the BCS output 0 wire completly and I then connected a wire from the BCS GRd terminal and touched input pin 1 on the board and the relay triggered. So this leads me to beleive my relay triggered off a ground. But the specs of the board (see below) state that it needs a driver current of 15-20MA and the I/O input port is active low. This doesnt indicate to me a ground is the trigger. Im fustrated beyond belief! The input pins also has a 5v and GND pin along with the 16 others for the relays. I dont know what that is. I know Im not supposed to use the BCS 5v output to drive the board and Im not doing that or using the 5v pin in any way. Could this be the issue. Anyone know what those two pins do?
Im just not convinced I have the wrong relay. Any help would be greatly apptriciated!!!
Here is the link where I purchased: http://www.amazon.com/gp/product/B00WQR ... ge_o00_s00
Equipped with high-current relay, maximum load: AC250V 10A, DC30V 12A
Indication LED's for Relay output status;12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current
With optocoupler protection, strong anti-interference ability
Standard interface can be controlled directly by microcontroller, such as Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP433, TTL logic
4 fixed threaded holes, easy to install
Specification:
Compactible with a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on.
12V relay contact capacity 10A 250V, with optocoupler protection, strong anti-interference ability.
Onboard power supply module does not require an external power supply.
I / O port driver is active low.
Working voltage: 12V.
Channel: 16 channel.
Size: 17.6 x 9 x1.7cm.
Warranty: Lifetime warranty.
Package include:
1 x relay Module
BEBONCOOL is a registred trademark, which has been filed at Amazon. Any unauthorized sales activity will be considered as a violation of intellectual property rights.
jon' s private message to me:
Do you have any kind of wiring spec for the board? Do you have the BCS ground tied to the board's ground? You likely will need the BCS 5V constant current supplied to the 5V marking on the board as well, but I can't guarantee that without some kind of specs on the board.
Yes there are some relay boards that are driven from a ground signal instead of the input voltage signal. Additionally, there are boards that can use either. The fact that the board has a 5v input tells me that it can probably be driven both ways, but would need the 5V tied to the BCS in order to use it as a reference for the trigger voltage. I can't be certain on that though since I've not seen any specs on the board.
Driving improper loads from the BCS can fry the outputs, so I would make sure it is wired and operating correctly.
Is there any reason you have two user ID's? I would like to delete one. Let me know which one you want to keep.
Also, questions like these should be posted to the forum since others will have and have had similar issues. We all learn together.