49
V700-L11
User's Manual
Sect
ion 5
5.2 TAT (T
urn Aroun
d
T
ime
)
Section 5
Data Transaction Time (information only)
5.2 TAT (Turn Around Time)
This is a time span needed for the upstream controller to send a command and receive a response, and is
governed by the transaction time and number of characters of command/response.
➀
IDRW head is directly connected-OMRON original 1:1 protocol
When the number of characters in command is A, and that in response is B, then
∗
The above expressions are based on an assumption that the upstream controller continuously sends
data without inter-character spacing in command.
<Example of TAT calculation>
For an operation for reading a data for one page, the TAT can be calculated as follows:
Command
Responses
010000000004[CR]
00123456789ABCDEF[CR]
A=13, B=19, and the transaction time is 0.114 (sec) from the calculation formula, then:
TAT
Command
Response
Transaction time
TAT = command transmission time + transaction time + response transmission time
(sec)
}
{
9600
11 { A+B }
TAT
Command transmission time
Response transmission time
(characters)
(characters)
A
)
bits
(
11
(sec)
9600
1
B
)
bits
(
11
(sec)
9600
1
Bit time
Bit number
per character
Bit number
per character
Number of characters
in command
Bit time
Number of characters
in response
transaction time
(sec)
151
.
0
114
.
0
9600
352
114
.
0
9600
}
19
13
{
11
TAT