Siemens RWF40 Series User Manual

50/56 CC1B7865E February 10, 2000 Landis & Staefa Division
10. What to do, if ...
This is an indication that a measured value is not being acquired correctly.
)
The detection of measured value range crossings depends on the type of
sensor used.
Ö
Section 11.3.2 «Measured value circuit monitoring»
Display Description Cause / controller behavior / remedy
1999
60.0
7865p08/0200
Actual value display
(red) shows «1999»
flashing.
Setpoint display shows
the setpoint.
*
Overrange or underrange on analog
input 1.
The actual value is not being measured.
Controller initiates lockout.
Ö
Section 5.3 «Safety shutdown»
The limit comparator responds to analog
input 1 according to the configuration
(C113).
✱
✱✱
✱
Check the electrical connections for
open-circuit of sensor
1999
tA
7865p10/0200
When analog input 3 is
configured for outside
temperature (C111) and
the measured value is
called up, the actual
value display (red)
shows «1999» flashing.
*
Overrange or underrange on analog
input 3.
The outside temperature is not being
measured!
The weather-dependent setpoint is
inactive!
✱
✱✱
✱
Check the electrical connections for
open-circuit of sensors
1999
SP.E
7865p09/0200
When analog input 2 is
configured (C111) and
the measured value is
called up, the process
value display (red)
shows «1999» flashing.
*
Overrange or underrange on analog
input 2.
The external setpoint is not being
measured. Controller initiates lockout
Ö
Section 5.3 «Safety shutdown»
✱
✱✱
✱
Check the electrical connections for
open-circuit of sensors
53.2
1999
7865p07/0200
Actual value display
(red) shows «XXXXXX».
Setpoint display (green)
shows «1999» flashing.
*
Overrange or underrange on analog
input 2.
The setpoint shift is not being measured.
Controller initiates lockout
Ö
Section 5.3 «Safety shutdown»
✱
✱✱
✱
Check the electrical connections for
open-circuit of sensor
10.1 ...numbers are flashing on the display

Siemens RWF40 Series Specifications

General

Brand	Siemens
Model	RWF40 Series
Category	Controller
Language	English