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Can you explain how to do this?

No I doubt its the Panel if the rios are reporting it. the line should be irrelevant i wouldnt worry about that. id prove the detector line first by just using a resistor. then id confirm the detectors dont have a cap between alarm and tamper lines then if its just one detector type id drill that down

I've already done dozens of tests. I've a GD-96, two external RIOs, three keypads. High resistance happened with the onboard zones and with RIO's zones. One RIO was in Line1, the other in Line2. Swapped the RIOs, no luck. Disconnected one RIO at a time, changed the cable from RIOs to panel, changed the cable route (RIOs are 3m away from the panel), ended testing with just the panel and one keypad, tried different keypads, disconnected detectors by brand. Nothing works. I believe I have a faulty panel and I'm willing to buy a new one. But I'd like to confirm the information of the incompatibility with detectors with SSR first. Have you ever heard of that?

no its not common. Id be doing some tests on the cable etc. Or move the circuit or swap 2 devices over first

The problem is, if I go through the max/min resistances registered in the last 14 days log, in all zones, most of the days max resistances are OK (near 1K). But sometimes, in one of the 16 zones, there is one day out of the 14 logged days with a HR near 1.3K (frequently it is 1297 Ohm). This is a zone random issue and it happens occasionally. The problem is that sometimes it gets higher than 1.3K. I've never seen it in a spare (closed with 1K resistor) zone though. Also, doesn't seem to happen if all 16 zones are closed with 1K resistors at the panel. It seems to be more frequent the more the number of detectors I have wired and less frequent in zones without detectors (eg door contacts, panic button). Any ideas? Do you know if Galaxy panels are prone to this issues, because of the "common rail 0v on a Galaxy" you mentioned?

id say not an issue. HR is high res reported by the panel assumming your 1k 1k the panel is seeing about 1.3k (ish) thats showing to me a different issue

Sorry, can you explain the meaning of "hr issues on the galaxy"? Such as? So this isn't an issue, right? I have several DT detectors brands and the only ones that I suspect that don't have SSR are C&K Systems DT-400T. My most recent DT detectors (Bosch Blueline Tritech and Risco WhatchOut) have SSR. Also have Out-Smart (Maximum Security) DT detector, and Texecom Exodus 4W Series and Cooper Security M12 smoke detectors, but don't know what kind of relays they have. Thanks.

id be looking at the hr issues on the galaxy first. Its mostl likly to support these You can use common rail 0v on a Galaxy you cant on most panels. Can you post an example of your detectors?

Hi. I have random high resistances in most zones of a Honeywell Galaxy Dimension. I would like to replace my panel with a new one, but I've been told these panels are incompatible with detectors that have solid state relays (and I have several of these). Can anyone confirm this information? Thanks.

I have been looking on your website for some standalone smoke/heat detectors for use in a boiler house. Could you confirm that the relay output is volt free and can be used to connected to remote PLC digital input card (24VDC). Aritech Photoelectric Smoke Detector with c/o relay output Do you do a range that is more suitable for an industrial installation like a boiler house? It has to be standalone and dual heat and smoke and have the facility to repeat the alarm remotely via a relay output?

Some manufact do supply cases only. I'd have to find out tomorrow

Hi Recently changed windows from Brown to White So does anyone know if I can buy white outers for the Sensors and Magnets above as the Brown ones will look really "odd" on white windows Many thanks jt

Did find this though Honeywell Galaxy Rs 232 Connection Help - Introduce Yourself - Security Installer Community (thesecurityinstaller.co.uk)

I use an asix based one. Id have to check with honeywell if there is official recommendation but i wouldnt be hopefull, iirc they dont support serial over usb

It just stays stuck at the connecting stage, then times out. Lights on the USB 232 kits flash after hitting connect, i guess form RSS tool requesting hand shake, then stop when it times out. I lowered rate below 9600, still no change. Same panel direct 232 on my older laptop (no USB) works fine. So am looking for a known working USB cable make please. Cheers John

Are you getting any traffic?

What USB to 232 cables are people using for G2 compatibility? It seems that my dimension USB cable will not play ball with the G2 panel. Works fine for dimension panels and associated 232 cable, just not the G2 panel and cable., Thanks John

the issue here is the actual type of fire. An optical smoke detector can detect smoke and then a relay base will provide your relay for interconnection. However most are 12v you may need to use a power converter to drop to 12v dc from 24

Hello, I'm hoping you can assist with a product enquiry. I'm looking for a device to detect the start of a lithium battery fire. I'm keen for advice on if heat and/or smoke is best for this use case. The power available is 24v DC and I'm hoping the sensor will have either a repay or some sort of output I can connect into a monitoring PLC. many thanks,

Problem will be proving correct ownership etc. Can you contact where you got it from for the previous password?

Hi, I've bought a second-hand Vista Viper HDAL 16, but I don't know the password - does anyone know how to reset please? Many thanks, Stuart.