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Website: http://www.yudian.us http://www.yudian.com.hk
Email: sales@yudian.com.hk
PARAMETER AND SETTING
● Field parameter table (Press
Code
Name
High limit alarm
HIAL
Low limit alarm
LoAL
Second high limit alarm
HdAL
Second low limit alarm
LdAL
Parameter lock
Loc
● System parameter table (set Loc=808 and then press
Alarm hysteresis
AHYS
Alarm output
AOP
assignment
Input specification
INP
and hold for 2 seconds to access)
Alarm on when PV (Process Value) >HIAL; Alarm off when PV<HIAL-AHYS
Alarm on when PV<LoAL; alarm off when PV>LoAL+AHYS
Alarm on when PV>HdAL; alarm off when PV<HdAL-AHYS
Alarm on when PV<LdAL; alarm off when PV>LdAL+AHYS
～3
0
: allowed to modify field parameters;
4～255: can only modify "Loc"; setting
Loc=808 and then pressing can access system parameter table.
Avoid frequent alarm on-off action because of the fluctuation of PV. For
temperature alarm, it is recommended to be 0.5～2℃.
Alarm
LdAL
Output to
(x 1000)
None
0
1
AL1
2
AL2
3
AU1
AU2
4
Example:
AOP
=
3
LdAL
HdAL
It shows that HdAL and LdAL are sent to AU1, LoAL has no output,
HIAL is sent to AL1.
Note : Installing L5 dual relay output module in ALM or AUX can
implement AL2 or AU2 alarm.
INP
Input type
0
K
1
S
2
R
3
SPARE
4
E
5
J
7
Yudian (H.K.) Automation Technology Co. Ltd.
Tel: +852‐2770 8785 Fax: +852‐2770 8796
Description
to access)
HdAL
LoAL
(x100)
(x10)
0
0
1
1
2
2
3
3
4
4
3
0
1
LoAL
HIAL
INP
Input type
20
CU 50
21
PT 100
26
0~80 omhs
27
0~400 omhs
28
0~20mV
29
0~100mV
Setting
Range
-9990～
30000
0～9999
0～200
HIAL
(x1)
0
1
2
3
4
0～4444
0~37
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