keith76

Hello all this is a very informative site. My question or issue is I have a twido24drf installed in a car wash that mywife and i just purchased what i like it todo is send an email or sms or phone call when the temperature sensor gets to -20c it is a 4-20ma sensor. now i can write some ladder but dont have the knowledge as of yet to make this work. so could somebody point me in the right directtion for ascii for twido and would i have to use modbus? i will probly have to hire this out so would i need modbus or any nthing special other than what i have. i have twd24drf, 8output expansion,2input analog expansion, and going to order sr2 modem thank you in advance for your time keith

Thank you...very much appreciated...keith

thank you i will look into these..keith

Hello all this is a very informative site. My question or issue is I have a twido24drf installed in a car wash that mywife and i just purchased what i like it todo is send an email or sms or phone call when the temperature sensor gets to -20c it is a 4-20ma sensor. now i can write some ladder but dont have the knowledge as of yet to make this work. so could somebody point me in the right directtion for ascii for twido and would i have to use modbus? i will probly have to hire this out so would i need anything special other than what i have. i have twd24drf, 8output expansion,2input analog expansion, and going to order sr2 modem or blue tree modem for internet access. crossbow has informed me that i wiil not need modbus and to ask in this forum thank you in advance for your time keith

thank you very much.. I will ask over in the other forum aswell..keith