7-Segment Decoder: Sdec(078) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Basic I/O Unit Instructions

3-23-4 7-SEGMENT DECODER: SDEC(078)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands: Digit Designator
• Transferring Data with Execution of DLNK(226)
Cycle time
Data transfer processing
One communications
cycle time
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.
SDEC(078)
S: Source word
S
Di: Digit designator
Di
D: First destination word
D
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK OK
15 12 11 8 7
Di
0 1/0
Refreshing data link
data within PLC
Step program areas Subroutines
OK
4 3 0
m n
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.
Section 3-23
Data link
SDEC(078)
@SDEC(078)
Not supported.
Interrupt tasks
OK
937