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89
Command Format
The format for this command is as shown below. The unit number, control point,
and alarm must be specified along with the desired mode.
@ 0
Unit W
#
0
0
0
0
CR
*
Point
Setting
code
FCS
Header
code
Always
0
Data code
00: Alarm 1
01: Alarm 2
Alarm mode setting
Terminator
Mode set-
ting
Mode
Alarm output
( indicates alarm temp.)
00
Alarm OFF
OFF
01
Upper and lower limit
alarm
X
X
02
Upper limit alarm
X
03
Lower limit alarm
X
04
Upper and lower limit
range alarm
X
X
05
Upper and lower limit
alarm with standby
sequence
X
X
06
Upper limit alarm with
standby sequence
X
07
Lower limit alarm with
standby sequence
X
08
Absolute value upper
limit alarm
o
°
Y
09
Absolute value lower limit
alarm
o
°
Y
0A
Absolute value upper
limit alarm with standby
sequence
o
°
Y
0B
Absolute value lower limit
alarm with standby
sequence
o
°
Y
0C
HB and HS alarm
Same operation as HB and HS alarm
Command Examples
The following command is used to designate mode 2 (upper limit alarm) for con-
trol point 3 of unit 2.
@ 0
2
W
#
0
3
0
1
0
0
0
2
3
6
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
X
X
Upper limit alarm with negative setting
Lower limit alarm with negative setting
Note:
Negative setting will result in
the following type of operation.
Each standby sequence is indicated by
dotted lines. During each standby se-
quence period, the alarm output is not
turned ON until the measured temperature
reaches the set alarm value or if you have
done one of the following:
•
Turned power on
•
Started control
•
Changed the memory bank
•
Changed the control temperature
•
Changed the alarm temperature
Temperature Control Commands (All Controllers)
Section 4-2
Содержание E5ZD
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