Difference between Alarm and Events in SCADA.

Basically there are three main differences in Alarm and Event in SCADA system.

Alarm :-

It is a type of notification to inform operator about process activity & alarm represent warning of process condition that could cause problem in a system.Alarm shows notification for critical condition in a process.

It require operator response as it is concerned with notification of fault in a system.

A typical alarm is triggered when a process value exceeds a user defined limit or set point, such as analog value exceeding higher limit.

Events :-

It is also a kind of notification to inform operator about process activity but it represents normal system condition.

It does not require operator response as it is concerned with normal operating condition of system.

A typical event is triggered when a certain system condition is happened, such as operator logging into intouch system.

so these are some basic differences in Events and Alarm in Intouch Wonderware SCADA software.

Comments

Q1. Lamp should glow when start switch S1 is made ON. lamp should go off after 15 sec automatically. lamp should go OFF immediately when start switch S1 is made OFF. Lamp should go OFF immediately also when reset switch S2 is made ON even before the expiry of 15 sec time.

Timers in Siemens PLC Simatic manager

Timer :- Timer is nothing but a specialized clock in a programming software used to count the preset time intervals. In Siemens PLC we have various ty pes of timers as :- 1) S_PULSE(Pulse timer), 2) S_PEXT(Extended Pulse Timer), 3) S_ODT(On Delay Timer), 4) S_ODTS(Retentive On Delay Timer), 5) S_OFFDT(Off Delay Timer). You must find out another five instruction sets in Timer Block in Simatic Manager STEP 7 as :- -(SP) pulse timer coil, -(SE) extended pulse timer coil, -(SD) on delay timer coil, -(SS) retentive on delay timer coil, -(SF) off delay timer coil. 1) S_PULSE(Pulse timer) :- S_PULSE Timer Above Fig Shows how to use this timer in programming software,in this fig i have used 5 sec as a preset value, If you want to change it replace the 5 with any duration you want in S5T# 5 S. In S_PULSE timer if input to timer is ON then timer starts Counting time as well as we get the Output at the instant the input is made ON. In this timer if we mad

HOW TO DOWNLOAD AND INSTALL WONDERWARE FOR WINDOWS 8,7,10.

##You can Download a ZIP file of the software From Below link. https://drive.google.com/file/d/159y8W0c_bw0vvf1DNDQ08_QsLZ9h2Tb1/view?usp=sharing 1 ) You Can Also Watch a Video Tutorial of it below. 2) You can also read out steps from below :-

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