ITT PumpSmart PS220, Руководство по конфигурации и эксплуатации

Страница: 197 / 300

PS220 Configuration & Operation Guide
PS220 196
Functions &
Features
Secondary Protection
Secondary Protection uses the PumpSmart PS220’s onboard Digital Input connections. There are two that are
available to be used with this function. Externally connected devices, such as flow, pressure, and level switches, and
“Dry-Contact” outputs devices such as a PLC and DCS can be configured for use with this protection. They can be
used as type of a permissive or “Go-No Go” providing inter-lock capabilities with the pumping system.
This functionality can be configured with the PumpSmart PS220 Configuration Wizard. To access this Wizard from
the Home Screen, follow the path: Menu>PS220 Configuration>Pump & VFD Protection>Secondary Protection>
The individual steps that will be performed are:
1. Configure the use of Secondary Protection A or B or both.
2. Configure the Protection Response. See the table below for
.
The selection choices are:
1. Disabled
Protection is disabled
2. Alarm
The PS220 generates a warning only “Secondary Protect A”. No further action is taken.
3. Alarm and Control
The PumpSmart PS220 will indicate a “Secondary Protect A” warning message, after the response delay time has
expired. The event will be stored in the Event Log. The PS220 will then respond based on the Protections Options.