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9.1 Alternative measurement connections
Connect the measuring leads to suit the application (see data on nameplate, item 4 in Fig. 2) as given in Table 6: Measuring input.
Table 6: Measuring input
Measuring mode / application
DC voltage
(direct input)
DC voltage
(input via voltage divider)
DC current
Resistance thermometer RTD
or resistance measurement R,
two-wire connection
Rw1 + Rw2 ≤ 60 Ω
Resistance thermometer RTD
or resistance measurement R,
three-wire connection
R
≤ 30 Ω per wire
Ltg.
Resistance thermometer RTD
or resistance measurement R,
four-wire connection
R
≤ 30 Ω per wire
Ltg.
2 identical three-wire resistance
transmitters RTD
for deriving the difference
R
≤ 30 Ω per wire
Ltg.
Thermo-couple TC
Cold junction compensation
internal
Thermo-couple TC
Cold junction compensation
external
Thermo-couple TC
in a summation circuit for deriving
the mean temperature
Thermo-couple TC
in a differential circuit for deriving
the mean temperature
Resistance transmitter WF
R
≤ 30 Ω per wire
Ltg.
Resistance transmitter WF DIN
R
≤ 30 Ω per wire
Ltg.
Measuring range
Measuring
limits
span
– 300...0...300 mV
2...300 mV
– 40...0...40 V
0.3...40 V
– 12...0... 12 mA/
0.08... 12 mA/
– 50...0...100 mA
0.75...100 mA
0... 740 Ω /
8... 740 Ω /
0...5000 Ω
40...5000 Ω
0... 740 Ω /
8... 740 Ω /
0...5000 Ω
40...5000 Ω
0... 740 Ω /
8... 740 Ω /
0...5000 Ω
40...5000 Ω
RTD1 - RTD2
8... 740 Ω /
0... 740 Ω /
40...5000 Ω
0...5000 Ω
– 300...0...300 mV
2...300 mV
– 300...0...300 mV
2...300 mV
– 300...0...300 mV
2...300 mV
TC1 - TC2
2...300 mV
– 300...0...300 mV
0... 740 Ω /
8... 740 Ω /
0...5000 Ω
40...5000 Ω
0... 740 Ω /
8... 740 Ω /
0...5000 Ω
40...5000 Ω
Connecting diagram
No
Terminal arrangement
1
6 11
1
2
7 12
1
6 11
2
2
7 12
1
6 11
3
2
7 12
Jumper
Rw1
1
6 11
4
RTD
2
7 12
Rw2
1
6 11
RTD
5
2
7 12
1
6 11
RTD
6
2
7 12
1
6 11
RTD2
7
2
7 12
RTD1
1
6 11
8
2
7 12
1
6 11
9
2
7 12
1
6 11
10
2
7 12
–
1
6 11
11
2
7 12
+
1
6 11
12
2
7 12
1
6 11
13
2
7 12
–
+
–
+
–
+
R
ϑ
R
ϑ
R
ϑ
R2
ϑ
R1
ϑ
–
+
Comp. ext.
–
+
Comp. ext.
–
+
–
+
+
TC2
–
(Ref.)
–
TC1
+
100%
0%
100%
0%
29
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