Terminal wiring, Terminal configuration (modbus protocol type) – Yokogawa EJX930A User Manual
Page 81
<10. General Specifications>
10-17
IM 01C25R01-01E
[Model EJX910A/EJX930A]
SUPPLY
CHECK
PULSE
+
– Power supply and output terminals
External indicator(ammeter) terminals
*1*2
Pulse or status contact output terminals
*2
Ground terminal
Terminal Wiring
*1: When using an external indicator or check meter, the internal
resistance must be 10Ω or less.
*2: Not available for F
OUNDATION
Fieldbus protocol type.
PULSE – / CHECK –
*2
PULSE +
*2
Communication
terminal
connection hooks
Check meter
connection hooks
*1*2
SUPPL
Y
PULSE
CHECK
ALARM
CHECK +
*2
F1008.ai
+
–
+
–
SUPPLY +
SUPPLY –
● Terminal Configuration (HART and F
OUNDATION
Fieldbus protocol types)
RTD cable connection
SUPPLY
MODBUS
+
– Power supply terminals
Modbus communication (RS-485) terminals
Ground terminal
Terminal Wiring
A
B
F1009.ai
● Terminal Configuration (Modbus protocol type)
MODBUS B
Communication
terminal
connection hooks
RTD cable connection
SUPPLY +
SUPPLY –
MODBUS A