Det-Tronics UD10 FlexVu Explosion-Proof Universal Display Unit User Manual
Page 13
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4.2
Sensor Connector
Power Supply Connector
Output Loop
Connector
MODBUS
Connector
R
ela
y Connect
or
P1
J2
J3
J4
P2
4-20 mA +
4-20 mA –
SHIELD
COM
RS485 A
RS485 B
HIGH ALARM COM
HIGH ALARM NC
HIGH ALARM NO
AUX ALARM COM
AUX ALARM NC
AUX ALARM NO
LOW ALARM COM
LOW ALARM NC
LOW ALARM NO
FAULT COM
FAULT NC
FAULT NO
24 VDC
–
24 VDC
+
SHIELD
24 VDC
–
24 VDC
+
SHIELD
SHIELD
C
ALIBR
A
TE
24 VDC
–
4-20 mA
24 VDC
+
P1-3
P1-2
P1-1
J2-3
J2-2
J2-1
J4-1
J4-2
J4-3
J4-4
J4-5
J4-6
J4-7
J4-8
J4-9
J4-10
J4-11
J4-12
J3-1
J3-2
J3-3
J3-4
J3-5
P2-6
P2-5
P2-4
P2-3
P2-2
P2-1
UD10
DISPLAY UNIT
E2440
24 VDC
INPUT
4-20 mA
PLC 4-20 mA INPUT CARD
–
+
250-600
OHMS
Notes: Resistor may be external if voltage input card is used.
Sinking resistance at PLC must be 250-600 ohms
for HART communication.
P12
Figure 10—UD10 Wired to PlC using 4-Wire Shielded Cable with 4-20 mA non-isolated Sourcing output
Figure 11—UD10 Wired to PlC with 4-20 mA isolated Sourcing output
Sensor Connector
Power Supply Connector
Output Loop
Connector
MODBUS
Connector
R
ela
y Connect
or
P1
J2
J3
J4
P2
4-20 mA +
4-20 mA –
SHIELD
COM
RS485 A
RS485 B
HIGH ALARM COM
HIGH ALARM NC
HIGH ALARM NO
AUX ALARM COM
AUX ALARM NC
AUX ALARM NO
LOW ALARM COM
LOW ALARM NC
LOW ALARM NO
FAULT COM
FAULT NC
FAULT NO
24 VDC
–
24 VDC
+
SHIELD
24 VDC
–
24 VDC
+
SHIELD
SHIELD
C
ALIBR
A
TE
24 VDC
–
4-20 mA
24 VDC
+
P1-3
P1-2
P1-1
J2-3
J2-2
J2-1
J4-1
J4-2
J4-3
J4-4
J4-5
J4-6
J4-7
J4-8
J4-9
J4-10
J4-11
J4-12
J3-1
J3-2
J3-3
J3-4
J3-5
P2-6
P2-5
P2-4
P2-3
P2-2
P2-1
UD10
DISPLAY UNIT
D2441
24 VDC
24 VDC
INPUT
4-20 mA
PLC 4-20 mA INPUT CARD
–
–
+
+
250-600
OHMS
Notes: Resistor may be external if voltage input card is used.
Sinking resistance at PLC must be 250-600 ohms
for HART communication.
P12
Important
Isolated operation is highly recommended to prevent noise or ripple on the main power source from interfering
with the HART function.