Autonics TZN4L 매뉴얼 - 페이지 15

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페이지 인쇄
Autonics TZN4L 매뉴얼
TZN/TZ Series
Communication command and block
Format of command and response
1
0
STX
10
10
R/W
Start
Address
Header
Code
Code
Code
Calculation range of Block Check Character
① Start code
It indicates the first of Block STX → [02H],
in case of response, ACK will be added.
② Address code
This code is master system can discern TZ/TZN Series
and able to set within range of 01 to 99. (BCD ASCII)
③ Header code
It indicates command as 2 alphabets as below.
RX (Read request) →
RD (Read response) → R [52H], D [44H]
WX (Write request) →
WD (Write response) → W [57H], D [44H]
④ Text: It indicates the detail contents of command/
response. (see command)
⑤ END code: It indicates the end of Block. ETX → [03H]
⑥ BCC: It indicates XOR operating value from the first to
ETX of the protocol as abbreviation of TZ/TZN.

Communication command

● Read [RX] of measurement/setting value:
address 01, command RX
1.Command (master)
① Command
STX
0
1
R
Command
Start
Address
② Application: address (01), header code (RX),
process value (P)
STX
0
1
R
02
30
31
52
● Write [WX] of setting value: address 01, command WX
1.Command (master)
① Command
STX
0
1
W
X
S
Start Address Command
S:Setting
head
value
② Application: In case of writing address (01), heading
coad (WX), setting value (S) +123.
STX
0
1
W
X
S
02
30
31
57
58
53
J-154
X/D
ETX
Text
END
Code
R [52H], X [58H]
W [57H], R [58H]
X
P
0
ETX
P:Process value
End
head
S:Setting value
X
P
0
ETX
58
50
30
03
3
2
1
0
0
Symbol 10
10
10
10
Space/- 10
3
10
2
10
1
10
0
0
Symbol 10
3
10
2
10
1
10
0
30
20
30
31
32
33
Response
● Read of process/Setting value
1. In case of receiving normal process value:
FSC
The data is transmitted adding ACK [60H].
(In case process value is +123.4)
BCC
Code
A
S
C
T
0
1
R D P
K
X
A
S
C
T
0
1
R D P
K
X
06 02 30 31 52 44 50 30
2. In case process value is -100
A
S
C
T
0
1
K
X
06 02 30 31 52 44 50 30 2D 30 31 30 30 30 03
※ It is responded with 1 byte sized NULL (00H) at the end
of response frame (next BCC 16).
● Write of setting value
In case setting value is -100
A
S
C
T
0
1
K
X
A
S
C
T
0
1
K
X
06
02
30
31
● Others: In case of no response of ACK
FSC
① When the address is not the same after receiving STX.
BCC
② When receiving buffer overflow is occurred.
③ When the baud rate or others communication setting
value are not the same.
● When there are no ACK response
FSC
BCC
① Check the status of lines
② Check the communication condition (setting value)
③ When assuming the problem is due to noise, try to
operate communication 3 times more until recovery.
④ When occurred communication failure frequently,
please adjust the communicating speed.
ETX FSC
End BCC
ETX FSC
03 BCC
0 Symbol 10
3
10
2
10
1
10
0
Space
1
2
3
20
31 32 33 34
R
D
P
0
-
0
1
0
3
W
D
S
0 Symbol 10
W
D
S
0
-
0
57
44
53
30
2D
30
N
E
F
Decimal
U
0
T
S
point
L
X
C
L
N
E
B
U
4
1
T
C
L
X
C
L
B
31
03
C
00
C
N
E
B
U
0
0
T
C
L
X
C
L
B
C
00
C
E
F
2
1
0
10
10
10
T
S
X
C
E
B
1
0
0
T
C
X
C
B
31
30
30
03
C
C