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449
Temperature Sensor Units
Section 7-5
Programming with SCL2(
−
) Instruction
Operation
Two-decimal-place
Mode
If pin 2 on the DIP switch is turned ON, values are stored to two decimal
places. In this case, temperature data is stored as 6-digit signed hexadecimal
(binary) data with 4 digits in the integer portion and 2 digits after the decimal
point. The actual data stored in memory is 100 times the actual value, i.e., the
decimal point is not indicated. Methods for handling this data are described in
this section.
Note
When set to store values to two decimal places, temperature data as far as
two digits after the decimal point is converted to 6-digit binary data, but the
actual resolution is not 0.01
°
C (
°
F). For this reason, there may be skipping
and inaccuracies in the first digit after the decimal point (0.1). Treat any reso-
lution above that specified for the normal data format as reference data.
2
#7FFF
1000.00
CMP(020)
1000.00
2
#7FFE
Always ON
P_On
CMP(020)
P_EQ
01000
P_CY
P_EQ
#0000
D1
MOV(021)
2
D10
SCL2(486)
D0
P_CY
#0001
D1
MOV(021)
ON when initialization complete.
Execution
condition
Detects an open-circuit alarm.
ON when an open-circuit alarm has
been detected.
Parameter settings for data conversion:
When the converted value is non-
negative, stores #0000 in D00001.
When the converted value is
negative, stores #0001 in D00001.
Detects completion of input 0
initialization.
CIO 2
D1
1: Negative, 0: Non-negative
16
3
16
2
16
1
16
0
0
0
0
1/0
1/0
D0
CY
(when using SCL2 instruction)
Binary to BCD conversion
10
3
10
2
10
1
10
0
0: If data non-negative, "0000" stored in D1.
1: If data negative, "0001" stored in D1.
Summary of Contents for CP1L-L14D Series
Page 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Page 3: ...iv...
Page 9: ...x...
Page 13: ...xiv TABLE OF CONTENTS...
Page 21: ...xxii...
Page 33: ...xxxiv Conformance to EC Directives 6...
Page 65: ...32 Function Blocks Section 1 5...
Page 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Page 523: ...490 Troubleshooting Unit Errors Section 9 4...
Page 531: ...498 Replacing User serviceable Parts Section 10 2...
Page 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Page 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Page 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Page 669: ...636 Index...
Page 671: ...638 Revision History...