Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

937
Basic I/O Unit Instructions Section 3-23
• Transferring Data with Execution of DLNK(226)
3-23-4 7-SEGMENT DECODER: SDEC(078)
Purpose Converts the hexadecimal contents of the designated digit(s) into 8-bit, 7-seg-
ment display code and places it into the upper or lower 8-bits of the specified
destination words.
Ladder Symbol
Variations
Applicable Program Areas
Operands: Digit Designator
Cycle time
Refreshing data link
data within PLC
Data transfer processing
Data link
One communications
cycle time
SDEC(078)
S
Di
D
S: Source word
Di: Digit designator
D: First destination word
Variations Executed Each Cycle for ON Condition SDEC(078)
Executed Once for Upward Differentiation @SDEC(078)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
0 1/0 m n
15 12 11 8 7 4 3 0
Di
First digit of S to convert (0 to 3)
0: Digit 0 (bits 0 to 3 of S)
1: Digit 1 (bits 4 to 7 of S)
2: Digit 2 (bits 8 to 11 of S)
3: Digit 3 (bits 12 to 15 of S)
Number of digits to convert
0 to 3: 1 to 4 digits
First half of D to receive converted data
0: Rightmost 8 bits (1st half)
1: Leftmost 8 bits (2nd half)
Not used; set to 0.