![background image](http://html1.mh-extra.com/html/omron/cp1l-cpu-unit-03-2009/cp1l-cpu-unit-03-2009_operation-manual_742084148.webp)
114
Wiring CP1L CPU Units
Section 3-4
Connecting I/O
Devices
Use the following information for reference when selecting or connecting input
devices.
DC Input Devices
Connectable DC Input Devices (for DC Output Models)
• The circuit below should not be used for I/O devices with a voltage output.
Precautions when
Connecting a Two-wire DC
Sensor
When using a two-wire sensor with a 24-V DC input device, check that the fol-
lowing conditions have been met. Failure to meet these conditions may result
in operating errors.
1,2,3...
1.
Relation between voltage when the PLC is ON and the sensor residual
voltage:
V
ON
≤
V
CC
−
V
R
2.
Relation between current when the PLC is ON and sensor control output
(load current):
I
OUT
(min)
≤
I
ON
≤
I
OUT
(max)
I
ON
= (V
CC
−
V
R
−
1.5 [PLC internal residual voltage]*)/R
IN
When I
ON
is smaller than I
OUT
(min), connect a bleeder resistor R. The
bleeder resistor constant can be calculated as follows:
R
≤
(V
CC
−
V
R
)/(I
OUT
(min)
−
I
ON
)
Power W
≥
(V
CC
−
V
R
)
2
/R
×
4 [allowable margin]
IN
COM
CP1L
+
+
IN
CP1L
5 mA/
7 mA
+
COM
⊕
+
IN
COM
CP1L
+
CP1L
COM
IN
IN
COM
CP1L
0 V
+
+
IN
COM
CP1L
+
+
Contact output
Two-wire DC output
Sensor
power supply
NPN open-collector output
Sensor
power supply
Output
NPN current output
Current
regulator
Output
Sensor
power supply
PNP current output
Output
Sensor
power supply
Voltage output
Output
Sensor
power supply
0 V
5 mA/
7 mA
0 V
5 mA/
7 mA
0 V
IN
CP1L
0 V
+
COM
−
Output
Sensor
power supply
Содержание CP1L CPU UNIT - 03-2009
Страница 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
Страница 2: ......
Страница 4: ...iv...
Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Conformance to EC Directives 6...
Страница 70: ...36 Function Blocks Section 1 5...
Страница 584: ...550 Trouble Shooting Section 8 7...
Страница 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Страница 630: ...596 Sample Application Section 9 12...
Страница 654: ...620 Troubleshooting Unit Errors Section 11 4...
Страница 662: ...628 Replacing User serviceable Parts Section 12 2...
Страница 668: ...634 Standard Models Appendix A...
Страница 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Страница 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Страница 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Страница 806: ...772 Index...
Страница 808: ...774 Revision History...