
175
Revision History
A manual revision code appears as a suffix to the catalog number on the front cover of the manual.
Cat. No. W197-E1-2B
Revision code
The following table outlines the changes made to the manual during each revision. Page numbers refer to the
previous version.
Revision code
Date
Revised content
1
March 1991
Original production
1A
September 1991
Page 132: Description of DR Area Transfer expanded.
2
March 1992
Information added for two new PCs: the SP16 and SP20. Additions include a scan
time read Programming Console operation and the following instructions:
HIGH-SPEED COUNTER (CNTH(24)), ANALOG TIMER 1 (ATM1(25)), ANA-
LOG TIMER 2 (ATM2(26)), and BLOCK COMPARE (BCMP(34)). Other instruc-
tions and operations have also been updated for the new PCs. These new fea-
tures are not supported by the SP10.
The following mistake was also corrected.
Page 89: Operation when a lower limit is greater than an upper limit corrected.
2A
June 1994
Page 2: Input delay time changed from 500 to 400 microseconds.
Page 24: Caution added.
Page 42: Operand deleted from example program at top of page.
Page 94: Count signal width corrected from (2 kHz) to (3.3) kHz at the bottom of
the page.
Page 104: Example description corrected.
Page 111: Information added for “Power application” in the flow diagram.
Page 133: Shock resistance rating corrected.
Pages 140, 141: Note added to the table.
2B
September 1997
Page 7: Warning added on handling Memory Card battery.
Section of precautions added before section 1 and adjustments made to signal
words for precautions.