VDL (E3.1) 06/2020
Page 83/206
8.4
MB2 controller operating modes
The MB2 program controller operates in the following operating modes:
•
Fixed value operating mode
The controller operates as a fixed-point controller, i.e., set-points for temperature and pressure can be
defined, which are then maintained until the next manual change (chap. 10.1.1).
•
Timer program operation
Stopwatch function: during an entered duration the controller constantly equilibrates to the setpoints
entered in Fixed value operation mode.
•
Time program operation
An entered time program for temperature and pressure is running. The controller offers 25 program
memory places with 100 program sections each. The total number of program sections of all programs
is unlimited
•
Week program operation
An entered week program for temperature and pressure is running. The controller offers 5 program
memory places with 100 switching points each. The switching points can be distributed over all days
of the week.
8.4.1
MB2 controller menu structure
Use the
navigation icons
in the screen footer in
Normal display to access the desired controller func-
tions.
The available functions depend on the current
au-
thorization level
“Service”, “Admin” or “User” (chap.
12.1. This is selected either during login or can be
available without password protection.
Main menu:
program settings, further information, “Service” submenu.
The “Settings” submenu allows general configuration of the controller.
chap. 8.4.2
List of
active alarms
chap. 16.2
Access to the
event list
chap. 13.5
Setpoint entry
for Fixed value operation, Standby mode, turning on/off
temperature and/or
pressure control
, s
afety controller
settings
Start/ pause/ cancel an already entered, respectively a running
time
program
or start / cancel an already entered, respectively a running
week program
Unless noted otherwise, the figures show the functional range, which is available for the user with “Ad-
min” authorization level.
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