4 initial setting (hart communication), 1 install communication device, 2 com port – Yokogawa EJX930A User Manual
Page 50: 3 wiring, 4 communication setting, Initial setting (hart communication) -21 4.4.1, Install communication device -21, Com port -21, Wiring -21, Communication setting -21
<4. Preparation>
4-21
IM 01C25R51-01E
4.4 Initial Setting (HART Communication)
NOTE
Regarding start up procedure of the device, refer to following:
EJX Multivariable Transmitter: User’s Manual IM01C25R01-01E “EJX910A and EJX930A
Multivariable Transmitters”
4.4.1 Install Communication Device
Connect the HART communication modem to the PC’s COM port.
4.4.2 COM Port
Refer to Appendix C-2 for how to confirm COM Port.
4.4.3 Wiring
SUPPL
Y
PULSE
CHECK
ALARM
EJX910A
HART modem
F00426E.ai
Power supply
–
+
Note PC
5
L
6833/<í
SUPPLY+
Figure 4.26 Connection of HART instruments
NOTE
When RTD is not connected to EJX Multivariable Transmitter, the setting is possible though
alarm 03 is displayed on the indicator.
4.4.4 Communication Setting
This subsection describes the procedures to change the communication related setting of
FieldMate. Please try these procedures after you start FieldMate and if you experience that
communication is not correctly established. Please refer to 4.6.2.
(1) Communication port setting on FieldMate
1. Click the [Tool] → [HART Modem Configuration..] at FieldMate window.
2. Select com port number.
3. Click the [OK] button.