I/O Refresh: Iorf(184); I/O Display: Iodp(189) - Omron SYSMAC CV Series Operation Manual

Special Instructions

5-27-4 I/O REFRESH: IORF(184)

Ladder Symbol
(184)
IORF
Variations
j IORF(184)
Description
Precautions
Flags
Example
0000
00

5-27-5 I/O DISPLAY: IODP(189)

Ladder Symbol
(189)
IODP
Variations
j IODP(189)
Description
Control Word
362
St E
When the execution condition is OFF, IORF(184) is not executed. When the ex-
ecution condition is ON, all words between St and E will be refreshed. This will be
in addition to the normal I/O refresh performed during the CPU's scan.
IORF(184) can be used to refresh I/O words on the CPU, Expansion CPU, or
Expansion I/O Racks only. It cannot be used for other I/O words in SYSMAC
BUS or SYSMAC BUS/2 Remote I/O Systems.
St must be less than or equal to E. If St is greater than E, the instruction will be
treated as NOP(000).
St and E must be in the I/O Area, CIO 0000 to CIO 0511.
Note Refer to page 115 for general precautions on operand data areas.
There are no flags affected by this instruction.
When CIO 000000 is ON in the following example, the status of all inputs allo-
cated to bits in words from CIO 0010 through CIO 0014 will be read into memory,
refreshing the status of these input bits.
(184)
IORF 0010
C S
When the execution condition is OFF, IODP(189) is not executed. When the ex-
ecution condition is ON, IODP(189) outputs four characters to the 7-segment
display on a SYSMAC BUS/2 Remote I/O Slave Unit, I/O Control Unit, or I/O In-
terface Unit. The four characters can be in 7-segment display code in source
words S and S+1, or the content of a single hexadecimal source word (S).
The control word contains information defining the Unit to which the characters
will be output, whether the source data is hexadecimal or 7-segment display,
whether the characters are to flash or not, and whether the display can be con-
trolled from the Unit itself.
Operand Data Areas
St: Starting word CIO
E: Ending word CIO
0014
Operand Data Areas
C: Control word CIO, G, A, T, C, #, DM, DR, IR
S: Source word(s) CIO, G, A, T, C, DM
Section 5-27
Address Instruction Operands
00000 LD 000000
00001 IORF(184)
0010
0014