How to gennerate earth leakage monitoring alarm for
solenoid valves in control system?
Answer Posted / p n vadalia
Earth leakage detector is readily available for detecting
earth leakage in 24 VDC, and 110/ 230 VAC supply and it can
be connected on distribution bus bar. This device will
generate alarm when leakage is observed. you had connected
this device at bus bar and on receipt of alarm, for further
identification can be done with the help of multimeter by
measuring individual branch voltage with respect to earth,
here supply vo;ltage is considered floating.
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Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75
The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is:
WARNING: Could not connect to equalize destination. (7001)
Retrying. Number of retries = 0/1
ERROR: LdXopsLoadMain: connect error 10060
ERROR: Processing terminated due to connection error. (7002)
Equalization end with errors. STN0149
---- ERROR = 2 WARNING = 1 ----
Background:
>Updated the ExaOPC software on the STN from 3.60 to 3.75
>STN operating system is Windows Server 2008 R2
>HIS operating system is Windows Server 2016 Stanard
Solutions attempted include:
>Ensuring all IP addresses are correct and all networked devices can be pinged.
>The ability to ping a device using its host name from another device (
Calibration of controller (pneumatic)