Toshiba V Series User Manual page 37

(4) Ch1 transmission program
Receive:
Transmit:
S3 internal data register
RX1_DAT[0]
RX1_DAT[128]
TX1_DAT[0]
TX1_DAT[128]
7
RX1_GO %MX12.8.6
8
%MX12.8.7
9
10
11
12
13
14
15
16
17
18
19
20
21
6F8C0870
Data received by Ch1 (up to 256 bytes) is stored in RX1_DAT[0] - [128].
When receive is successful, %MX12.8.6 (RX1_CMP) turns ON for 1
scan. When there is a receive error, %MX12.8.5 (TX1_ERR) is turned
ON and error information is stored in ERR_DAT[0] - [128].
Data is transmitted when it is set in TX1_DAT[0] - [128] and TX1_GO is
turned ON. When transmit is successful, %MX12.8.14 (TX1_CMP) is
turned ON for 1 scan.
When there is a transmit error, %MX12.8.13 (TX1_ERR) is turned ON and
error information is stored in ERR_DAT[0] - [128].
Ch1 receive data
128 words
Ch1 transmit data
128 words
%MX12.8.7 %MX12.10.7
（S）
%MX12.10.7
MREAD
E
（R）
16#4
RX1_GO
T
LD （R）
128
RX1_END
TADDR
LD
（S）
RX1_DAT
P
LD
128
N
LD
%MX12.8.5 %MX12.10.7
MREAD
E
（R）
16#4
RX1_ERR
T
LD （S）
16#0000
TADDR
LD
ERR_DAT
P
LD
128
N
LD
6.1 AS311 Transmission Program Example
Inside ASCII module
READ 128W
Top adress: 128
Transferred words:128
576W
WRITE
Top adress: 576
Transferred words:128
TX1_GO %MX12.8.15
16#4
LD
576
LD
TX1_DAT
LD
128
LD
%MX12.8.14
%MX12.8.13
16#4
LD
16#0000
LD
ERR_DAT
LD
128
LD
Ch1 receive area
448 words
Ch1 transmit area
448 words
%MX12.10.15
MWRITE
E
（S）
T
TADDR
P
N
%MX12.10.15
（R）
TX1_GO
（R）
TX1_END
（S）
%MX12.10.15
MREAD
E
（R）
TX1_ERR
T
（S）
TADDR
P
N
25
6