Power Supply Wiring Connection; Status Output Connection - YOKOGAWA EJX110A Installation Manual

5.2.1 Power Supply Wiring Connection

IMPORTANT
Connecting with the commercial AC power supply
will damage the device. Be sure to use the DC power
supply in the predetermined range.
Connect the power supply wiring to the SUPPLY + and –
terminals.
+
Power supply
–
Load resistance is not
necessary for 1 to 5 V output.
Figure 5.3 Power Supply Wiring Connection
5.2.2 Configuration Tool Connection
■ 4 to 20 mA output, BRAIN / HART
Connect the configuration tool to the SUPPLY + and –
terminals. (Use hooks.)
Transmitter terminal box
USB
FieldMate Modem
PC/FieldMate
Figure 5.4 Configuration Tool Connection
■ 1 to 5 V output, HART
Connect the HART communicator or configuration tool to
the SUPPLY - and VOUT (+) terminals. (Use hooks.)
Transmitter terminal box
Power supply
+
USB
–
FieldMate Modem
PC/FieldMate
Figure 5.5 Four wire connection
Transmitter terminal box
USB
FieldMate Modem
PC/FieldMate
Figure 5.6 Three wire connection
Transmitter terminal box
F0502.ai
Power supply
+
–
Ignore the polarity since
the configuration tool is
AC-coupled to the
terminal box.
F0503.ai
Voltmeter
+
–
F0532.ai
Power supply
+
–
Voltmeter
+
–
F0533.ai
<5. Wiring>

5.2.3 Status Output Connection

When option code /AL is specified, connect the external
wiring as shown in Figure 5.7.
To configure and activate the process alarm function and
status output, it is necessary to set some parameters.
Refer to each communication manual for procedures.
Transmitter
terminal box
Shielded cable
External power
supply 30V DC,
120mA max
Use two-wire separately shielded cables.
Figure 5.7 Status Output Connection
41
24V DC
+
Distributor
–
250Ω
Magnetic
valve
AC power supply
F0504.ai
IM 01C25A01-01E