Siemens SIPART DR21 Kurzanleitung Seite 47

CAE3 -- Configure UNI Module
Function Set measuring range for UNI signal conditioning module
(6DR2800--8V) and trim if necessary.
D The UNI module must be installed in the controller
Requirements
(slot 1);
D The UNI module must be allocated to AI3 by setting
S6>3.
D The selected measuring range is passed to the controller,
Mode of
where it is accessible as AI3A, as a standardized
operation of
numerical value in the range 0 to 1. This variable can be
UNI module
configured as required within the controller using
configuring switches S15 to S20.
D The measuring range of the UNI module is set using the
parameters MA, ME, MP. Independent of these parame-
ters, the display range of the w/x digital indicator is set
using the "offline parameters" dA, dE, dP.
Step
Access to
1
the CAE3-
function
2
3
Set module
4
parameters
5
6
Exit to pro- 7
cess control
8
level
Parameters when S8 = 0/1/2/3/4/5 (U / I / thermocouples / PT100)
Parameter / Function
Reference junction temp.
Line resistance (RL)
Trim value for RL
Decimal point
Start of measuring range
End of measuring range
Trimming of
lower measuring range
upper measuring range
Reset trim values
1)
only displayed when S8=2
SIPART DR21
C73000-B7474-C141-07
Procedure
Press pushbutton (6) for about 6 seconds
until "PS" starts to flash;
Release pushbutton "onPA" displayed (Selection
Level). Blocked if digital signal BLPS=1.
Press pushbutton (15) several times
until "CAE3" is displayed (Selection Level).
Blocked if configuring switch S6 < 4.
Press pushbutton (11) for about 3 seconds
(Configuring Level). Controller is now blocked and
the most recent value of y will be retained.
Using pushbuttons
mameter names from y digital indicator (9).
Using pushbuttons (15) or
modify param. values in the w/x digital indicator
(3) or invoke a function using pushbutton
Repeat steps 4 and 5 until all desired parame-
ters are set.
Press pushbutton (16) once (Selection Level).
Press pushbutton (16) once (Process Control
Level).
Controller is now in manual mode.
y ind.
Param. Min. Max.
name
1)
tb 0.0 400.0
2)
Mr 0.00 99.99
2)
Cr difference to Mr
MP _.------
MA --1999
ME --1999
CA current measured value
CE current measured value
PC no / no C / YES
2)
only displayed when S8=5
(7) or (8), select para-
(14),
(11)
w/x indicator
Factory Eng.
setting
50
10
-------- .--
9999 0.0 mV/_C/
100.0
9999
no C
3.4
unit
_C/
_F/K
Ω
Ω
--
_F/K
"
"
"
--
47