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Delta-controls DPT-2000 Manual de usuario Pagina 28

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26 IOM-DPT-A: FEB 2014
+TEST
-TEST
Rys. 2b
-
+
SIGNAL
240
Ro
mA
4÷20 mA
+
_
F1
.
32
VWX
MNO
DEF
YZ#
5 6
PQR
*
+/
9
GHI
8 0
@%&
1
STU
4
JKL
ABC
7
RE PV F4PF
F2 F3 F4
BELL
202
RS 232
Communicator
Current loop
JUMPER
APT2000
Configurator
Power
supply
Fig.2b. The link of transmitter and communicator or modem to <SIGNAL+> <SIGNAL-> transmitter terminals in
case of the resistance in current loop is higher than 250Ω.
+TEST
-TEST
Rys. 2c
-
+
SIGNAL
240
4÷20 mA
+
_
F1
.
32
VWX
MNO
DEF
YZ#
5 6
PQR
*
+/
9
GHI
8 0
@%&
1
STU
4
JKL
ABC
7
RE PV F4PF
F2 F3 F4
BELL
202
RS 232
Communicator
Current loop
Ro
mA
JUMPER
APT2000
Configurator
Power
supply
Fig.2c. The link of transmitter and communicator or modem to <SIGNAL+> <TEST+> transmitter terminals in
case of the resistance in current loop is smaller than 250Ω.
To measure the transmitter current without
disconnecting the measuring loop, connect
a milliammeter to control terminals <Test ->
and <Test +>.
DPT2000
Configurator
D-SOFT
D-SOFT
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