5. Alarm Function
■
with electronic type alarm circuit
An alarm (high-level) signal is output when the fan's rotation speed falls below 1800
±
300 r/min.
Maximum voltage : Vout max.
＝
30V DC
Leakage current : I
＝
250
μ
A max.
Maximum current : lout max.
＝
15mA
Output saturated voltage : Vout(sat)
＝
0.4V max.
■
with contact type alarm circuit
Contact to be made when the fan's rotation speed falls below 1800
±
300 r/min.
Output rating : resistance load 10VA max. (100V max. and 0.5A max. )
Alarm Wiring
with electronic type alarm circuit with contact type alarm circuit
except for the
MRS14-TTM MRS14-TTM
Note :Except for the
MRS14-TTM
, the alarm circuits do not have a delay function.
Avoiding detection, when starting the fan, for example, requires an external delay function.
Set the delay time to 10 seconds (min.)
6. Overheat Protection
To prevent burning out the windings as a result of overheating,
MRS
series and
MRW18
type fans have been designed with a
protector explained below.
Thermal protector ; Automatic return type
Operating temperature of thermal protectors
Open : 120
±
5
(248ºF
±
9ºF)
Close : 77
±
15
(170ºF
±
27ºF)
Black
White
Alarm output
Black
Red
Orange
Alarm output
GND
5VDC
Black
Orange
Alarm output
GND
4
●
Characteristics, specifications and dimensions are subject to change without notice.
●
Please contact your nearest ORIENTAL MOTOR office for further information.
TAIWAN ORIENTAL MOTOR CO.,LTD.
Tel:(02)2299-9360 Fax:(02)2299-4173
SINGAPORE ORIENTAL MOTOR PTE LTD.
Tel:(745)7344 Fax:(745)9405
ORIENTAL MOTOR KOREA CO.,LTD.
Tel:(02)632-9122 Fax:(02)679-4588
ORIENTAL MOTOR CO.,LTD.
Headquarters
Tel:(03)3835-0684 Fax:(03)3835-1890
ORIENTAL MOTOR (EUROPA) GmbH
Headquarters and Düsseldorf Office
Tel:02131-95280 Fax:02131-952899
Munich Office
Tel:08131-59880 Fax:08131-598888
Hamburg Office
Tel:04076-910443 Fax:04076-910445
ORIENTAL MOTOR (UK) LTD.
Tel:01252-519809 Fax:01252-547086
ORIENTAL MOTOR (FRANCE)
SARL
Tel:01 47 86 97 50 Fax:01 47 82 45 16
ORIENTAL MOTOR ITALIA s.r.l
Tel:02-3390541 Fax:02-33910033
ORIENTAL MOTOR U.S.A. CORP.
Los Angeles
Office Tel:(310)784-8200 Fax:(310)325-1076
San Jose Office
Tel:(408)358-6900 Fax:(408)358-8200
Chicago Office
Tel:(847)240-2649 Fax:(847)240-2753
Cincinnati Office Tel:(513)563-2722 Fax:(513)956-3183
Austin Office
Tel:(512)918-9438 Fax:(512)335-5983
New York Office Tel:(973)359-1100 Fax:(973)359-1090
Boston Office
Tel:(781)848-2426 Fax:(781)848-2617
Atlanta Office
Tel:(770)716-2800 Fax:(770)719-8515
Canada Office
Tel:(905)502-5333 Fax:(905)502-5444
Technical Support Line:(800)468-3982
Available from 8:30 AM to 8:00 PM, Eastern Time
