YSI IQ SensorNet 2020 XT Terminal - Manual (Page 19)

System 2020 XT USB Overview
1 - 13 ba76019e01 12/2012
Keys The keys have the following functions:
1.3.1 Operation as terminal/controller
When configured as a controller, the MIQ/TC 2020 XT is a basic
component of the 2020 XT USB system and must therefore
permanently remain in the system.
The MIQ/TC 2020 XT is connected to the system by docking on the
free front cover of an MIQ module.
The controller function takes over the following tasks:
 Control and monitoring of all IQ sensors
 Control and monitoring of all current and relay outputs
 Continuous diagnosis of the system, i.e. recording the information
and error messages of all modules and entering them in the system
log book (e.g.: voltage monitoring)
 Recording measured data in the fixed interval
 Communication with external digital interfaces such as
– USB memory device
– Modem
– PROFIBUS, Modbus, RS485
– PC
Key Designation Functions
– Switches the photometer on and off
– Starts the calibration procedure for
the selected sensor
– Opens the menu, System settings
– Opens the menu, Display/Options
– Quits the current menu without
changing any settings
(Arrow
keys)
<
▲> or
<
▼>
– Moves the selection in menus, lists
and table columns by one position
upwards or downwards
<
> or
< >
– Moves the selection in tables by one
position to the left or to the right
– Erases the character left of the
insertion point when entering
characters
M
C
S
OK
ESC