Installation, Operation and Maintenance Manual
September 2019
MAN720_IMVS2000v2_IOM Rev. 6
Section 5: Working Principle
Working Principle
5.2 Detailed Description
In this section are described the IMVS2000v2 general features and the functionalities of each input,
output and interface of the IMVS2000v2.
Refer to 4.3 and to 9.1 for the pinout and electrical limits of the IMVS2000v2.
5.2.1 Configuration-Managing Interfaces
The IMVS2000v2 provides the following Configuration-Managing Interfaces:
• Local Operator Interface (Keypad-Display)
• RS232 Port
• Bluetooth Port
• HART (see [2] for details)
• MODBUS (see [3] for details)
5.2.1.1 Local Keypad and Display
The IMVS2000v2 is fitted with a graphic 128x64 OLED display and 3 push-buttons that allows setting
the configuration parameters or to visualize the working data.
Two push-buttons “DOWN”, “UP” are used to move into the menu and changing the value of the
parameters, while the third “ENTER” is used to enter the selected information and for moving
between the sub-menus and for waking-up the IMVS2000v2.
The configuration operations are protected by password. The operator can access the “Setup Mode”
menu and change the parameters, only after entering the appropriate password.
For additional details dealing with the Local Operator Interfaces see the “LOCAL OPERATOR
INTERFACE” paragraph.
5.2.1.2 RS232 – Bluetooth Ports
The RS232 and Bluetooth Ports allow configuring and managing the IMVS2000v2 through the
“Biffi-Assistant” software tool [1].
The Bluetooth port can be disabled (see 6 for details).
For additional details dealing with the RS232 and Bluetooth Ports see [1].
5.2.2 Digital Input
The IMVS2000v2 is provided with three configurable opto-isolated Digital Inputs:
• SOLENOID A CONTROL
• SOLENOID B CONTROL
• PST CONTROL
Each DI is isolated from the other ones and can work with the following voltages:
• 9.2 - 57.6 Vdc (24 -20% - 48 +20%)
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