I'm encountering some weird issues with the program alarms in TIA portal and the S7Plus driver.
After an acknowledged alarm goes to the state went, it disappears (as expected) and directly comes back as an new incoming alarm.
The error class of the alarms is set as Came Or Went must be acknowledged.
Some logging of a single alarm with actions:
Alarm incoming ==============================================================
WCCOAui1:2019.02.18 14:41:27.144[" Visible: TRUE"]
WCCOAui1:2019.02.18 14:41:27.144[" Ackable: TRUE"]
WCCOAui1:2019.02.18 14:41:27.144[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:41:27.144[" PartnerTime: 1970.01.01 01:00:00.000"][0]
Alarm acknowledged ==============================================================
WCCOAui1:2019.02.18 14:41:37.761[" Visible: TRUE"]
WCCOAui1:2019.02.18 14:41:37.761[" Ackable: FALSE"]
WCCOAui1:2019.02.18 14:41:37.761[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:41:37.761[" PartnerTime: 1970.01.01 01:00:00.000"][0]
Alarm Went and gives 4 changes==============================================================
WCCOAui1:2019.02.18 14:42:08.159[" Visible: FALSE"]
WCCOAui1:2019.02.18 14:42:08.159[" Ackable: FALSE"]
WCCOAui1:2019.02.18 14:42:08.159[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:42:08.159[" PartnerTime: 1970.01.01 01:00:00.000"][0]
WCCOAui1:2019.02.18 14:42:08.160[" Visible: TRUE"]
WCCOAui1:2019.02.18 14:42:08.160[" Ackable: TRUE"]
WCCOAui1:2019.02.18 14:42:08.160[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:42:08.160[" PartnerTime: 1970.01.01 01:00:00.000"][0]
WCCOAui1:2019.02.18 14:42:08.163[" Visible: TRUE"]
WCCOAui1:2019.02.18 14:42:08.163[" Ackable: TRUE"]
WCCOAui1:2019.02.18 14:42:08.163[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:42:08.163[" PartnerTime: 2019.02.18 14:41:56.762"][1550497316]
WCCOAui1:2019.02.18 14:42:08.163[" Visible: TRUE"]
WCCOAui1:2019.02.18 14:42:08.163[" Ackable: TRUE"]
WCCOAui1:2019.02.18 14:42:08.163[" Direction: FALSE"]
WCCOAui1:2019.02.18 14:42:08.163[" PartnerTime: 2019.02.18 14:42:08.157"][1550497328]
Alarm acknowledged and gives 2 changes ==============================================================
WCCOAui1:2019.02.18 14:43:04.856[" Visible: FALSE"]
WCCOAui1:2019.02.18 14:43:04.856[" Ackable: FALSE"]
WCCOAui1:2019.02.18 14:43:04.856[" Direction: TRUE"]
WCCOAui1:2019.02.18 14:43:04.856[" PartnerTime: 2019.02.18 14:41:56.762"][1550497316]
WCCOAui1:2019.02.18 14:43:04.857[" Visible: FALSE"]
WCCOAui1:2019.02.18 14:43:04.857[" Ackable: FALSE"]
WCCOAui1:2019.02.18 14:43:04.857[" Direction: FALSE"]
WCCOAui1:2019.02.18 14:43:04.857[" PartnerTime: 2019.02.18 14:42:08.157"][1550497328]
How is this possible?
Programs i'm using:
WinCC OA 3.16 P6
Tia Portal V15 update 4