Operating And Error Messages - Siemens SIPART DR21 Kurzanleitung

Example 3: The controller is to be switched from automatic to manual
modification
mode and the manipulated variable y then modified.
of y
Solution:
Toggling bet-
ween manual
and automatic
modes
Solution:
IF manual mode
modifica-
tion of y
NOTE
.
The value of y can be modified if the signal lamp
"y external mode" (13) is not on, i.e. the controller must not be
in y external, tracking, safety or blocking mode.

Operating and Error Messages

Messages The following operating and error messages can be
displayed on the w/x digital indicator (3).
36
Automatic mode
(12)
(12)
Value too large / small for indicator.
Analog signal monitoring, e.g. input 3
(character in 3rd digit position) tripped.
CPU monitoring following power up.
CPU defective.
EEPROM defective.
UNI signal conditioning module (optional)
in slot 1 not installed.
Signal conditioning module (optional) in
slot 3 not installed.
Press push-
button (11) once
Manual mode
(12)
Steady light
Press push-
button (11) once
THEN y can be modified.
(7)
Manipulated Manipulated
variable close variable open
(open) (close)
SIPART DR21
C73000-B7474-C141-07
(8)
2.2