Communications Instructions; Receive - Rxd(47) - Omron CQM1H - PROGRAM Programming Manual

Communications Instructions

00000 AR 0209
S: DM 0100
S+1: DM 0101
S+2: DM 0102
S+3: DM 0103
C: DM 0300
C+1: DM 0301
C+2: DM 0302
C+3: DM 0303
C+4: DM 0304
C+5: DM 0305
Flags

5-30 Communications Instructions

5-30-1 RECEIVE – RXD(47)
Limitations
Description
@CMND(−−)
15 0
0 1 0 1
Command code: 0101 hexadecimal (MEMORY AREA READ)
8 2 0 0
DM 0010 (Data area = 82 hexadecimal, address = 000A00)
0 A 0 0
Number of words to read = 0A hexadecimal (10 decimal)
0 0 0 A
15 0
Bytes of command data: 0008 (8 decimal)
0 0 0 8
Bytes of response data: 0018 (24)
0 0 1 8
Transmit to the local network and the device itself
0 0 0 0
Node number 3, unit address 00 (CPU Unit)
0 3 0 0
Response requested, port number 0, 3 retries
0 0 0 3
Response monitoring time: 0064 hexadecimal (10 seconds)
0 0 6 4
ER: Indirectly addressed EM/DM word is non-existent.
(Content of *EM/*DM word is not BCD, or the EM/DM area boundary
has been exceeded.)
Ladder Symbols
@RXD(47)
RXD(47)
D
C
N
D and D+(N ÷ 2)–1 must be in the same data area.
DM 6144 to DM 6655 cannot be used for D or N.
N must be BCD from #0000 to #0256.
When the execution condition is OFF, RXD(47) is not executed. When the
execution condition is ON, RXD(47) reads N bytes of data received at the port
specified in the control word, and then writes that data in words D to
D+(N ÷ 2)–1. Up to 256 bytes of data can be read at one time.
If fewer than N bytes are received, the amount received will be read.
Address Instruction
00000
DM 0100
00001
DM 0200
00002
DM 0300
D: First destination word
IR, SR, AR, DM, EM, HR, TIM/CNT, LR
D
C
N
IR, SR, AR, DM, EM, HR, TIM/CNT, LR, #
Section 5-30
Operands
LD 00000
AND AR 0209
SEND(90)
DM 0100
DM 0200
DM 0300
Operand Data Areas
C: Control word
#
N: Number of bytes
415