ITT PumpSmart PS220, Руководство по конфигурации и эксплуатации

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PS220 Configuration & Operation Guide
55 PS220
Pump & VFD Protection
2. Configure the Response
1. Disabled:
The PumpSmart PS220 will not respond. The pump will continue to run at the maximum allowed speed and while not
achieving the setpoint requirement. This is the Default.
2. WARNING:
The PumpSmart PS220 will issue a warning message of “Basic Pump Protection”. The pump will continue to run at the
maximum allowed speed while not achieving the setpoint requirement.
3. ALARM AND CONTROL:
The PumpSmart PS220 will either:
A. Issue a warning message, and either run at minimum speed or stop. It can be configured to automatically re-start
after a delay period and then run to maintain the process setpoint. It can be configured to follow this routine a set
number of times before a hard Fault is issued. The Fault will have to be reset, and manually restarted. Refer to the
“Fault Tracing” section for further information.
B. A hard Fault is issued, and it will stop. The fault message will be displayed, and it will have to be reset, and manually
restarted. Refer to the “Fault Tracing” section for further information.
1. “ARROW RIGHT” to change
2. “ARROW UP/DOWN” to change value
3. “Save”
4. “ARROW DOWN”
3. Configure the Protection Limit.
The Pump Protection limit is the percentage value difference between the operating setpoint, and the
actual setpoint, at which the Basic Pump Protection Function becomes active. The default value is 97%.
1. “ARROW RIGHT” to change
2. “ARROWS” to change value
3. “Save”
4. “Next”
Example:
In process Control Mode your system setpoint is 100. 97% of this value is 97.
The Protection Limit will become active when the actual value reading of the
process is 97 or below.