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81
Command Format
The format for this command is as shown below. The number of the unit whose
points are to be set must be specified. Each of the bits 0 through 7 of the setting
data is assigned to a control point as shown below. If the bit for a control point is
OFF (0), heating operation (the default) is specified. If the bit is ON (1), cooling
operation is specified. Bits not used by the specified unit must be set to 0. An
error with an end code of 15 will result if these bits are not 0.
@
0
Unit
W
U
0
0
0
0
0
0
CR
Header code
Terminator
*
Always 0.
Data code
Always 0.
Setting
code
7
6
5
4
3
2
1
0
Point 0 setting
Point 1 setting
Point 2 setting
Point 3 setting
Point 4 setting
Point 5 setting
Point 6 setting
Point 7 setting
Bit No.
FCS
To determine the value to be input for the desired setting, convert the bits to two-
digit hexadecimal values and then convert the digits independently to ASCII
code. For example, the value to change all points for a 6-point E5ZD to cooling
operation would be 3F
hex
. A 3 in ASCII is 33 in hexadecimal, and F converts to
46. The two digits of the setting would thus be 33
hex
, 46
hex
.
Command Examples
The following command is used to set points 0, 2, and 4 of unit 2 for heating oper-
ation and points 1, 3, and 5 to cooling operation
*
@ 0
2
W
U
0
0
0
0
0
0
2
A
3
3
CR
Response Format
The response returned for this command is shown below. This response as-
sumes that the header code in the command block was transmitted and read
normally. If the header code in the command block was not recognizable, a
header code of IC will be returned without an end code (see
Section 4-1-2 End
Codes
for the IC header code response format).
@
0
Unit W
U
CR
Header code
Terminator
*
End code
FCS
End Codes
If an end code of 00 was returned in the response, the command was executed
normally. If the end code is not 00, the desired data will not have been written.
Refer to
Section 4-1-2 End Codes
for a description of the other possible end
codes and their meanings.
Temperature Control Commands (All Controllers)
Section 4-2
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