Pc operation, Continued), Communication interval – Sharp PN-455 User Manual
Page 46
46
E
■ If execution of the command is taking some time
If execution of a command takes some time,
WAIT may be returned as the returned value. In
this case, a value will be returned if you wait a
while. During this time, new commands will not
be received, even if they are sent.
No ID number is attached to WAIT response.
• Cases where WAIT is returned
- When repeater control is used
- When an IDSL or IDLK command is used
- When one of the following commands is used: RSET, INPS, ASNC, WIDE, EMAG, EPOS, PXSL,
POWR
■ When control via RS-232C is locked (to prevent use) using the operation lock function (see
page 34)
■ If a timeout occurs while waiting for a command
■ If a timeout occurs while waiting for a command (when the monitor waiting for the command
is assigned an ID number = 001 in the following example)
■ If the current parameter is read out using “?” for the parameter (for numerical values etc.)
• Response when no ID number has been set
Example:
VOLM????
10
• Response when an ID number has been set (In the example below: ID=001)
Example:
VOLM????
10_001
<Communication interval>
• If the next command is sent in the interval before OK or ERR is returned, it will basically be ignored.
(Exception: Forced end using ASNC command)
• Leave an interval of 100 ms between command response and transmission of the next command.
I
W
T
A
Carriage return code
(0D
H
, 0A
H
)
E
C
D
K
O
L
Carriage return code
(0D
H
, 0A
H
)
U
E
T
O
M
T
I
Carriage return code
(0D
H
, 0A
H
)
U
E
T
O
M
T
I
SPC
0
0
1
Space (20
H
)
Carriage return code
(0D
H
, 0A
H
)
VOLM0020
OK
VLMP0031
OK
Leave an interval of 100 ms
PC Operation
(Continued)