| Posted: Sunday Aug 23rd, 2015 12:51 pm |
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bagushandhoko
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I am using 3 SEM complete with 4 LEM, i plan use sensors and devices third party connected to the output about more than 20 : microwave sensor, selenoid valve, relays, IR Fence beams..
1. Its possible to power all devices connected to comfort that need external power by powering them from 12V / S12V port , isnt it ?
2. I read about this port only powering maximum 1 amp for all devices connected to controller or SEM ..This is limitation for one SEM or for all devices connected ?
Last edited on Sunday Aug 23rd, 2015 04:04 pm by
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| Posted: Sunday Aug 23rd, 2015 04:06 pm |
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tech07
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I am using 3 SEM complete with 4 LEM, i plan use sensors and devices third party connected to the output about more than 20 : microwave sensor, selenoid valve, relays, IR Fence beams.. 1. Its possible to power all devices connected to comfort that need external power by powering them from 12V / S12V port , isnt it ?
Yes. Power from 12V S12V can be switched off and on by response so be careful
2. I read about this port only powering maximum 1 amp for all devices connected to controller or SEM ..This is limitation for one SEM or for all devices connected ?
Eacch comfort and SEM can supply 1 AIf you have Comfort and 5 SEM then it can supply 6 AmpsLast edited on Sunday Aug 23rd, 2015 04:07 pm by tech07
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| Posted: Sunday Aug 23rd, 2015 06:36 pm |
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| Posted: Saturday Aug 29th, 2015 12:53 pm |
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| Posted: Sunday Aug 30th, 2015 05:42 am |
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slychiu
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If alarm sensors are to be powered by external 12V, these should also be battery backed up
Comfort will report power failure and low battery on its own power as well as its slaves, which is more convenient
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| Posted: Thursday Aug 29th, 2024 06:43 am |
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Swiss-Toni
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Had a system crash green lights on sem and main board none of the components are lit up at all RPI GSM Ethernet. it looks as though no power is going to them at all as is the SCS swiches & RIO01
Cant figure out why it wont supply power tried addint independent power on ethernet powered up for a few seconds and shuts down
Any ideas
Last edited on Thursday Aug 29th, 2024 07:31 am by Swiss-Toni
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| Posted: Thursday Aug 29th, 2024 07:14 am |
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slychiu
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How about the leds on the main comfort? Can you check the 12V output from the 12V and COM from Comfort?
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| Posted: Thursday Aug 29th, 2024 07:44 am |
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Swiss-Toni
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The green is iluminated on the main comfort will check power on the 12v com now
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| Posted: Thursday Aug 29th, 2024 07:47 am |
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Swiss-Toni
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Green LED is flashing nothing on the red, the reading is .491V on the 12v/com
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| Posted: Thursday Aug 29th, 2024 07:55 am |
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slychiu
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There may be overcurrent or short circuit on the 12V output supplying slaves and keypads etc This causes the voltagfe to go to the low level you measured. Remove all dvices eg UCM, Keypads etc that use 12V from Comfort, then check if the 12V recovers. You may have to wait a few minutes as the resettable fuses must cool down before the voltafg can recover
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| Posted: Thursday Aug 29th, 2024 07:56 am |
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| Posted: Thursday Aug 29th, 2024 07:57 am |
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Swiss-Toni
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slychiu wrote: There may be overcurrent or short circuit on the 12V output supplying slaves and keypads etc This causes the voltagfe to go to the low level you measured. Remove all dvices eg UCM, Keypads etc that use 12V from Comfort, then check if the 12V recovers. You may have to wait a few minutes as the resettable fuses must cool down before the voltafg can recover
The reading is with everything removed already, done that yesterday Im thinking that a complete power down to coll it down ect
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| Posted: Thursday Aug 29th, 2024 07:59 am |
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slychiu
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The old big transformer or the new DC15 V power supply?
Are you measureing DC or AC. If you use the big transformer you should measure AC, If using the new Meanwell dc supply you should measure DC
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| Posted: Thursday Aug 29th, 2024 08:02 am |
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Swiss-Toni
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With the sem disconected and the ethernet conected to the Sem the ethernet lights come on but as soon as connected to main board it all shuts down
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| Posted: Thursday Aug 29th, 2024 08:03 am |
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| Posted: Thursday Aug 29th, 2024 08:04 am |
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slychiu
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maybe a fault on the SEM. check if the system works without sem
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| Posted: Thursday Aug 29th, 2024 08:07 am |
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Swiss-Toni
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System does not with the sem disconected, i replaced the sem board yesterday will try the old one back in there in all likelihood I would say it was the main board that is knocking everything out
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| Posted: Thursday Aug 29th, 2024 08:25 am |
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Swiss-Toni
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I believe I have located the fault, although everything was disconected I realised that there was a black and red cable connected to the 12V/COM which I overlooked. Removed the cable and reconnected the ethernet & RPI which both then fired up, these cables have never been touched in the last ten years so I will replace those and let you know tha outcome in a few days. Thanks for your insight 
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| Posted: Thursday Aug 29th, 2024 08:55 am |
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slychiu
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as I suspected. Good that yu found ito
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| Posted: Thursday Aug 29th, 2024 03:57 pm |
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20th Post |
Swiss-Toni
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Have mangaged to get it u and running for the most part, however cannot quite get the scs6 to stop flashing once they are pressed, the same programming has not changed and they do work to a point some things still not responding which I will takle later on but how do I get the scs6 led lights to stop flashing anyone know, its not a case of removing the power from the scs6 and putting back! this seems to have developed as a fault on all of them
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