YOKOGAWA DP harp EJX Series - External Indicator Connection; Communicator Connection; Check Meter Connection

<6. Wiring>
6-2
IM 01C25B01-01E
Power supply
–
+
Transmitter terminal box
F0601.ai
Load resistance is not
necessary for 1 to 5 V output.
Figure 6.2 Power Supply Wiring Connection
6.3.2 External Indicator Connection
Available only for 4 to 20mA output type and when
/ALisnotspecied.
Connect wiring for external indicators to the CHECK
(+) and SUPPLY – terminals.
(Note)Useaexternalindicatorwhoseinternalresistanceis10Ω
or less.
Transmitter terminal box
External indicator
F0602.ai
Power supply
–
+
Figure 6.3 External Indicator Connection
6.3.3 Communicator Connection
■ 4to20mAoutput,BRAIN/HART
IMPORTANT
Analog output may change temporally in
connecting with BRAIN terminal due to an initial
currentowedtoit.Topreventcommunication
signala󰀨ectingtheuppersystem,itis
recommendedtoinstallalow-passlter
(approximately 0.1s)
Connect the BT200 or HART Communicator to the
SUPPLY + and – terminals. (Use hooks.)
Transmitter terminal box
BT200
F0603.ai
Power supply
–
+
Ignore the polarity since the
BT200 is AC-coupled to the
terminal box.
Figure 6.4 BT200 Connection
■ 1to5Voutput,HART
Connect the HART communicator or
congurationtooltotheSUPPLY-andVOUT
(+) terminals. (Use hooks.)
Transmitter terminal box
F0615.ai
Voltmeter
–
+
Power supply
–
+
USB
FieldMate Modem
PC/FieldMate
Figure 6.5 Four wire connection
Transmitter terminal box
F0616.ai
Power supply
–
+
Voltmeter
–
+
USB
FieldMate Modem
PC/FieldMate
Figure 6.6 Three wire connection
6.3.4 Check Meter Connection
Available only for 4 to 20mA output type and when
/ALisnotspecied.
Connect the check meter to the CHECK (+) and
SUPPLY – terminals. (Use hooks.)
• A 4 to 20 mA DC output signal from the CHECK
(+) and SUPPLY – terminals.
(Note)Useacheckmeterwhoseinternalresistanceis10Ωor
less.
Transmitter terminal box
F0604.ai
Power supply
–
+
Check meter
Figure 6.7 Check Meter Connection