Omron E5ZD Operation Manual page 99

Temperature Control Commands (All Controllers)
Command Format
@ 0 Unit W
Mode set- Mode
ting
00 Alarm OFF
01 Upper and lower limit
alarm
02 Upper limit alarm
03 Lower limit alarm
04 Upper and lower limit
range alarm
05 Upper and lower limit
alarm with standby
sequence
06 Upper limit alarm with
standby sequence
07 Lower limit alarm with
standby sequence
08 Absolute value upper
limit alarm
09 Absolute value lower limit
alarm
0A Absolute value upper
limit alarm with standby
sequence
0B Absolute value lower limit
alarm with standby
sequence
0C HB and HS alarm
Command Examples
@ 0
Response 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
Point
Header Always Data code
code 0 00: Alarm 1
01: Alarm 2
Alarm output
( indicates alarm temp.)
OFF
X X
X
X
X X
X X
X
X
Y
o°
Y
o°
Y
o°
Y
o°
Same operation as HB and HS alarm
The following command is used to designate mode 2 (upper limit alarm) for con-
trol point 3 of unit 2.
2 W # 0 3
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
Setting
0 0 0
code
Alarm mode setting
Note:
Upper limit alarm with negative setting
Lower limit alarm with negative setting
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
0 1 0 0 0
Section 4-2
CR
FCS
*
Terminator
Negative setting will result in
the following type of operation.
X
X
2 3 6 CR
*
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