Electro-Pneumatic Positioner SP 520 Series
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Ver 1.20
4
SHIN HWA Eng.Co.,Ltd.
compressor and system.
Prevent to penetrate on moisture, oil and different material with air regulator which is
equipped filter or separated filter device in front of air port on SP520 series.
1-5 Supply pressure condition
Use drying air with dew point of at least 10°C lower than ambient temperature.
Avoid extra material using filters less than 5 micron. and avoid oil or lubrication oil.
SP 520 series supply pressure range is 1.4 ~7 kgf/cm
2
(140 - 700 kPa).
And do not use over usage range
1-6 Supply pipe condition
Check that different materials inside pipe must be erased before installing pipe.
Do not use pipe which is squeezed or damaged.
Pipeline should have more than 6 mm of inner diameter to maintain SP520 series flow rate.
1-7 Safety contents on electrical connection
Check that electric power is off before connecting terminal.
SP520 series(except feedback signal internal type) uses 4-20mA DC and in order to
operate positioner, minimum supplying current is 3.2mA, but maximum supplying current
must not exceed into 24mA.
In case there is feedback option in SP520 series, separated power must be supplied to feed
back signal and supplying voltage must be 9-28V and not exceed into maximum 30V.
In order to protect products, positioner internal grounding block should be grounded.
Please do not install the cable near high noise equipments such as high-capacity
transformer or motor.
Cable or Cable gland should be products which can be used over min. 90°C
When equipping cable gland or blanking element, please use explosive proof items which is
over IP66 grade.
1-8
Safety contents to use Flame Explosion Proof SP520 in danger area.
Check that explosion proof certification is valid in usage condition and must meet with
condition.
SP520 positioner is using Flame Explosion Proof (Ex db mb IIB/IIC T6/T5 Gb, Ex tb IIIC
T80°C /T100°C Db IP66) code. and It can be used in Zone 1,2 area.
In danger area which is exiting explosive gas, explosion proof type of cables or flame
explosion proof packing type cable must be used. In case of using explosive proof cable, it
must be used by gasket and sealed completely.
Intrinsic safe version must be supplied by certified power supply.
For Ex-
mb type a fuse corresponding to the device’s rating current (max. 3 x IN or, resp. IB