7 ND92F 70 en
25
9.1.3.2 ND92_F/I_
Proximity switch:
Inductive, diameter 8–14 mm
(0.31–0.55 in)
Sensing range 2 mm / 0.08 in
Protection class IP67
P+F NJ2-12GK-SN
(02)
ifm IFC2002-ARKG/UP
(56)
Other switch types on special
order
Electrical values:
According to switch type
Switch accuracy:
< 1°
Number of switches:
2
Protection class of housing: IP66 (DIN 40050, IEC 60529)
Conduit entry:
M20 x 1.5
Ambient temperature:
-20° to +51 °C /-4° to +124 °F (02)
-20° to +80 °C / -4° to +176 °F(56)
Weight:
Approx. 1.0 kg / 2.2 lb
(limit switches only)
9.1.3.3 ND92_F/B_
Microswitch type:
OMRON D2VW-01
(06)
(gold-plated contacts)
Protection class IP67
Resistive load:
100 mA: 30 V DC/125 V AC (06)
Switch accuracy:
< 2°
Number of switches:
2
Protection class of cover: IP66 (DIN 40050, IEC 60529)
Conduit entry:
M20 x 1.5
Ambient temperature:
-20° to +80 °C / -4° to +176 °F
Weight:
Approx. 1.0 kg / 2.2 lb
(limit switches only)
Materials:
Body:
Aluminium alloy, epoxy-coated
Internal parts:
Stainless steel and polymer
Sealing:
Nitrile and neoprene rubber
9.2
Installing ND92_F/K_, ND92_F/I_ or
ND92_F/B_ on a valve controller
The limit switch may be installed on an existing valve
controller.
❑
If the valve controller is already mounted on an
actuator/valve assembly, operate the actuator
into the closed or open position.
❑
Remove the cover (100), the pointer (109), the
LUI (223) and electronics cover (39).
❑
Turn the shaft (311) onto the shaft (11). Fasten
the screw (312) using a locking agent such as
Loctite.
❑
Mount the electronics cover (39) and the limit
switch housing (300) on the valve controller. Lock
the housing in place with screw (326). Install the
base plate (324) with the limit switches and con-
nector block into the limit switch housing. Fasten
the base plate with screws (325), 3 pcs.
❑
Install the cam discs (313) and spacers (346) to
the shaft.
❑
Mount the LUI (223) on the holder (306).
❑
Replace the plastic plugs with metal ones in con-
duit entries which will not be used.
❑
Mount the pointer (109) on the shaft (311). Adjust
the limit switch according to 9.4.
9.3
Electrical connections
Before connecting the power, make sure that the elec-
trical specifications and the wiring meet the installation
conditions. See the diagrams in 12.9. Refer to the infor-
mation on the identification plate.
ND9200/I:
Observe the functioning of the proximity
switch; activated when the active face is either covered
or free.
9.4
Adjustment
The pointer (109) need not be removed for adjustment.
When the limit switch is ordered together with the valve
and the actuator, the valve controller switches are fac-
tory-adjusted. The limits may be adjusted by altering
the position of the cam discs (313) on the shaft. The
lower switch is activated at the closed limit and the
upper switch at the open limit.
❑
With the actuator in the open or closed position,
locate the switching point by turning the cam
disc so that the switch state changes approx. 5°–6°
before the limit.
❑
ND9200/I00:
Use the LED indicator or a separate
measuring instrument as an aid.
❑
After re-installation of the actuator, first adjust its
mechanical limits according to the valve, then
the valve controller, and finally the limit switch.
❑
When adjustment is completed, turn the pointer
(109) so that the yellow line is parallel with the
valve closure member.
Fig. 28
Limit switch adjustment, 2 switches
16
15
14
13
12
11
Open
Close
Содержание ND9200F
Страница 40: ...40 7 ND92F 70 en 14 EC DECLARATION OF CONFORMITY ...
Страница 42: ...42 7 ND92F 70 en ...
Страница 43: ...7 ND92F 70 en 43 ...
