Varec 2920, Инструкция по установке и эксплуатации, Страница: 86 / 194

2920 Float & Tape Transmitter 5 Display and Configuration Interface
76 Installation and Operations Manual
12. Adjust the 4-20 mA current source and verify the Value parameter updates:
4 mA = 0.0 +/- 0.01
8 mA = 25.0 +/- 0.01
12 mA = 50.0 +/- 0.01
16 mA = 75.0 +/- 0.01
20 mA = 100.0 +/- 0.01
Analog Out
The Analog Out software points can be configured as either Manual or Automatic.
• Manual indicates the output is controlled by setting the Value parameter, either by
the communications interface or the user interface.
• Automatic indicates some parameter within the transmitter database is controlling
the output. The database item used to control the output is set using the Pnt Ref
parameter. A predefined list of database items is available when setting the Pnt Ref
parameter.
Note The Analog Out is pre-configured at the factory.
Analog Out menu presents 4 options:
• Display Only — data display, such as reference values and percent range
• Commands — commands that can be executed from the Analog Out menu, such as
Raw Value
• Config Params — parameters that are used to configure data in Analog Out data
• All Params — scrolls through the Display, Commands, and Config parameters in one
menu
To Access Analog Out:
1. Press Enter to access the Main Menu. The System Menu point is automatically highlighted.
2. Press Minus nine times to move the highlight to Analog Out.
3. Press Enter and the Select Number menu opens.
Main Menu
Analog Out
BPM Data
NMT Prothermo
09
HART Device #1
Display Only
Commands
Config Params
All Params
Analog Out
Analog Out #1
Analog Out #2