Temperature errors in °C / K
The table below shows temperature errors, at an ambient
temperature of 20° C, depending on the line length and
conductor cross section for PT100 sensors.
Table 1
Temperature errors in
XX
Line length in m
Wire size mm
2
0.50
0.75
1
1.5
10
1.8
1.2
0.9
0.6
25
4.5
3.0
2.3
1.5
50
9.0
6.0
4.5
3.0
75
13.6
9.0
6.8
4.5
100
18.1
12.1
9.0
6.0
200
39.3
24.2
18.1
12.1
500
91.6
60.8
45.5
30.2
5.1.2.9
Analogue output
The softstarter has one output for a configurable analog
output signal (terminals 29 and 30). The load resistance is
maximum 500 ohm for current output, and minimum 500
ohm for voltage output.
The output signal ranges available are 0-10 V, 0 – 20mA
or 4-20mA. The default setting is 4-20mA.
The analogue output has its own terminal for the positive
output, it is not shared with any other function on the
softstarter and it shall refer to the functional ground.
The analogue output can be selected to show:
I (A), U (V), P (kW), P (Hp), Q (kVAr), S (kVA),
cos Phi, Motor temp, SCR temp and Energy (kWh).
If the analogue output is used, the cables shall be
connected to terminals 29 and 30.
See Figure 43.
See chapter 7 Function settings
for programming.
The PTC input uses the same terminals as the
Analogue output and only one of these functions
can be used at the same time.
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
AWG 12 ... 24
0,5 Nm
4,3 lb.in
3,5 x 0,6 mm
(0.138 x 0.024 in)
M3
23 24 25 26 27
T1 T2 T3
28
29 30
+(B) -(A)
+24V
+ GND
Analog out
Temp In
Com 3
1SFC132081M0201
Tightening torques and cable dimensions.
5.1.3
Optional accessories
To connect external devices that support RS485 based
communication, the following accessory is used:
•
BB Stotz DX1xx-FBP extension module
43
A
23 24 25 26 27
T1 T2 T3
28 29 30
+(B) -(A)
+24V + GND
Analog out
Temp In
Com 3
1SFC132081M0201
Figure 43:
Analogue output
5
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