UTC Fire and Security DET-TRONICS FlexVu UD10 Instructions Manual page 11

PLC 4-20 mA INPUT CARD
INPUT
4-20 mA
–
250
24 VDC
OHMS
+
MINIMUM
Notes: Resistor may be external if voltage input card is used.
Sinking resistance at PLC must be 250 ohms minimum
for HART communication.
Figure 6—UD10 Wired to PLC using 4-Wire Shielded Cable with 4-20 mA Non-isolated Sourcing Output
PLC 4-20 mA INPUT CARD
INPUT
4-20 mA
–
250
24 VDC
OHMS +
MINIMUM
Notes: Resistor may be external if voltage input card is used.
Sinking resistance at PLC must be 250 ohms minimum
for HART communication.
4.3
Figure 7—UD10 Wired to PLC with 4-20 mA isolated Sourcing Output
UD10
DISPLAY UNIT
Sensor Connector
Output Loop
Connector
4-20 mA +
P1-3
4-20 mA –
P1-2
SHIELD
P1-1
P1
J2
COM
J2-3
J2-2 RS485 A
J2-1 RS485 B
MODBUS
Connector
Power Supply Connector
UD10
DISPLAY UNIT
Sensor Connector
Output Loop
Connector
4-20 mA +
P1-3
4-20 mA –
P1-2
SHIELD
P1-1
P1
J2
COM
J2-3
J2-2 RS485 A
J2-1
RS485 B
MODBUS
Connector
Power Supply Connector
9
J3
HIGH ALARM COM J4-1
HIGH ALARM NC J4-2
HIGH ALARM NO J4-3
AUX ALARM COM J4-4
AUX ALARM NC J4-5
AUX ALARM NO J4-6
J4-7
LOW ALARM COM
LOW ALARM NC J4-8
LOW ALARM NO J4-9
FAULT COM J4-10
FAULT NC J4-11
FAULT NO
J4-12
J4
P2
A2440
J3
HIGH ALARM COM J4-1
HIGH ALARM NC J4-2
HIGH ALARM NO J4-3
AUX ALARM COM J4-4
AUX ALARM NC J4-5
AUX ALARM NO J4-6
J4-7
LOW ALARM COM
LOW ALARM NC J4-8
LOW ALARM NO J4-9
FAULT COM J4-10
FAULT NC J4-11
FAULT NO
J4-12
J4
P2
+
24 VDC
–
A2441
95-8618