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391
Analog Input Units
Section 7-2
Analog Input Signal
Ranges
Analog input data is digitally converted according to the input signal range as
shown below.
Note
When the input exceeds the specified range, the A/D conversion data will be
fixed at either the lower limit or upper limit.
Item
Voltage Input
Current Input
Number of inputs
4 inputs (4 words allocated)
Input signal range
0 to 5 VDC, 1 to 5 VDC,
0 to 10 VDC, or –10 to 10 VDC
0 to 20 mA or 4 to 20 mA
Max. rated input
±
15 V
±
30 mA
External input impedance
1 M
Ω
min.
Approx. 250
Ω
Resolution
1/6000 (full scale)
Overall accuracy
25
°
C
0.3% full scale
0.4% full scale
0 to 55
°
C
0.6% full scale
0.8% full scale
A/D conversion data
16-bit binary (4-digit hexadecimal)
Full scale for –10 to 10 V: F448 to 0BB8 Hex
Full scale for other ranges: 0000 to 1770 Hex
Averaging function
Supported (Set in output words n+1 and n+2.)
Open-circuit detection function
Supported
Conversion time
2 ms/point (8 ms/all points)
Isolation method
Photocoupler isolation between analog I/O terminals and internal circuits. No isolation
between analog I/O signals.
Current consumption
5 VDC: 100 mA max.; 24 VDC: 90 mA max.
Summary of Contents for CP1H CPU UNITS - PROGRAMMING 05-2007
Page 2: ......
Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised March 2009...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 174: ...140 CP series Expansion I O Unit Wiring Section 3 6...
Page 370: ...336 Analog I O XA CPU Units Section 5 5...
Page 552: ...518 Trouble Shooting Section 8 7...
Page 595: ...561 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 598: ...564 Sample Application Section 9 12...
Page 642: ...608 Standard Models Appendix A...
Page 652: ...618 Dimensions Diagrams Appendix B...
Page 745: ...711 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 746: ...712 Connections to Serial Communications Option Boards Appendix F...
Page 776: ...742 PLC Setup Appendix G...
Page 778: ...744 Specifications for External Power Supply Expansion Appendix H...
Page 786: ...752 Revision History...