Allen-Bradley 1734-ADN Manual do Utilizador Página 35

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Publication CIG-WD001A-EN-P - October 2003
1746 I/O Modules 3-19
0
1
2
3
4
5
6
7
0
1
24V dc power supply if external power is
selected. Cable length from external 24V dc
power supply to analog module must be less
than 10m.
Ext. pwr
sup.
LOAD
LOAD
earth
ground
earth
ground
Do not jumper
unused outputs.
Analog commons are internally connected
in the module. Channels are not isolated
from each other.
+24V dc
dc COM
OUT 0
ANL COM
OUT 1
ANL COM
OUT 2
ANL COM
OUT 3
ANL COM
1746-NO4I
0
1
2
3
4
5
6
7
0
1
24V dc power supply if external power is
selected. Cable length from external 24V dc
power supply to analog module must be less
than 10m.
Ext. pwr
sup.
LOAD
LOAD
earth
ground
earth
ground
Do not jumper
unused outputs.
Analog commons are internally connected
in the module. Channels are not isolated
from each other.
+24V dc
dc COM
OUT 0
ANL COM
OUT 1
ANL COM
OUT 2
ANL COM
OUT 3
ANL COM
1746-NO4V
Shield
Channel 0 RTD
Channel 0 Sense
Channel 0 Return
Shield
Channel 2 RTD
Channel 2 Sense
Channel 2 Return
Shield
Release Screw Max Torque
= 0.7 - 0.9 Nm (6 - 8 in-lbs)
Release Screw Max Torque =
0.7 - 0.9 Nm (6 - 8 in-lbs)
Shield
Channel 1 RTD
Channel 1 Sense
Channel 1 Return
Shield
Channel 3 RTD
Channel 3 Sense
Channel 3 Return
Shield
Terminal Connections
Cable Shield
Add Jumper
Return
Return
Belden #9501 Shielded Cable
RTD
RTD
Shield
CH 0 RTD
CH 0 Sense
CH 0 Return
2-Wire RTD 3-Wire RTD 4-Wire RTD
Return
Return
Belden #9501 or #9533 Shielded Cable
RTD
RTD
Shield
CH 0 RTD
CH 0 Sense
CH 0 Return
Sense Sense
Cable Shield
Shield
CH 0 RTD
CH 0 Sense
CH 0 Return
Return
RTD
Sense
RTD
Sense
Return
Belden #9501 or #9533
Shielded Cable
Leave one sensor wire open.
Cable Shield
Cable Shield
Potentiometer
RTD
Return
Belden #9501 Shielded Cable
Add Jumper
Shield
CH 0 RTD
CH 0 Sense
CH 0 Return
2-Wire Potentiometer
RTD
Return
Shield
CH 0 RTD
CH 0 Sense
CH 0 Return
Sense
Cable Shield
Belden #9501 or #9533 Shielded Cable
Potentiometer
Run RTD and sense wires from module to
potentiometer terminal and tie them to one point.
3-Wire Potentiometer
Potentiometer wiper arm can be connected to either the RTD or Return terminal,
depending on whether you want increasing or decreasing resistance.
1746-NR4
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