3-2SectionConnecting Link Adapters
19
power
to the Link Adapter through pin 6 of the RS-232C connector
, so an
exter
-
nal power supply is not required.
Note 1. The
RS-232C connector is not insulated from the RS-422A/RS-485 connec
-
tor within the NS-AL002 Link Adapter.
2. Always
turn
OFF the NT21’
s power supply before installing/removing a Link
Adapter or connecting/disconnecting cables.
3. Do
not touch the surface of the printed circuit board or any electronic compo
-
nents with bare hands. Also, always discharge any static electricity by
touching
a grounded object before installing the Link adapter or
connecting
cables.
The
following diagram shows the dimensions of the NS-AL002 Link Adapter
. All
dimensions are in mm.
Mounting screw (x2)
(Units: mm)
The
NS-AL002 Link Adapter connects directly to serial port B on the NT21. After
inserting the D-SUB connectors, tighten the screws on the connectors to secure
them.
T
ighten the D-SUB connector screws to 0.3 N
⋅
m and tighten the
RS-422A/
RS-485 terminal screws to 0.5 N⋅m.
When removing the cables, loosen the screws and pull out the connectors.
The
following tables list the NS-AL002 Link Adapter
’
s general and communica
-
tions specifications.
General Specifications
Item Specification
Dimensions 45
49
28.5 mm (W H D)
Weight 50 g max.
Ambient Operating
0 to 50
_C
temperature
Storage
–20 to 60
_C
Operating ambient humidity 35% to 85% (with no condensation)
Rated power supply voltage +5 V " 10%
(through pin 6 of the RS-232C connector)
Rated power supply current 150 mW max.
Operating environment No corrosive gases
Vibration resistance Meets the NT21’s ratings.
Shock resistance Meets the NT21’s ratings.
Dimensions
Installation and Removal
Specifications
To Next Page
Loading...
Need help?
General
