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> > I have C-II unit, 2W Bus Modem and T-23-100 Temperature Senzor. I would like to know if it is possible to address the sensors for communication ower 2W Bus Modem without the application board. Any idea how to enter the address? > > Thank you, Matjaz > > Matjaz, > I cannot clearly understand your problem, so I will try to explain as I expect your lack of knowledge. > To use any 2wBus devices you need to have a 2wBus - Modem. > This modem can be attached to the CC2 as well as to the CC1. The difference for CC2 is, that you > need to make a connection yourself, as there is no connector on the Appl-Board. > If you have no Appl-Board this is no problem, as it would not help you in case of CC2. > Be careful, there are two types of modems, one is for serial interface (...-SM) and one for binary CC2 ports. > The 2wBus devices are connected to the modem by two wires only (as the name says). > I would like to point out my CC2 driver (twbs.zip) as there is a little documentation included, but it is in > German....look into the "Module&Funktionen" - section, far down to the bottom. > You can use my driver "twbs.c2" for: T23-100, both PIOs and the little 2x8LCD device. > If you are in deep trouble, send me a mail with your specific problems and I will try to help. > > Here a few hints from my experiments: > Every 2wBus device has a jumper. When you put it in place, this device uses address 85 decimal. > You can program it (85) to use another address (for example 01). > Then the jumper has to be removed. > Then you send the same program command to 85 for using 01 again (no, this is no mistake). > From then on you can use that device at address 01. > Next you can place a jumper to another device on the 2WBus and continue as before. > > All 2wBus devices work this way, but additionally have a lot of other valid commands. > You better use the specific manual for each device to find out all about the commands. > > Hoping, not to have confused you... > Martin

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