8-5
8.3 Specifications of Keypad Related
8.3.1 General specifications of keypad
Table 8.1 General Specifications
Items Specification Remarks
Protective structure Front side: IP40, Back (mounting) side: IP20
Site to be installed In door
Ambient temperature -10qC (14qF) to 50qC (122qF)
Ambient humidity 5 to 95% RH, no condensation allowed
Ambient air
No corrosive gas, no inflammable gas, no dust, and no
direct sunlight allowed
Altitude 3281ft (1000 m) or less (Note)
Air pressure 86 to 106 kPa
Vibration
3 mm (maximum amplitude):
9.8 m/s
2
:
2 m/s
2
:
1 m/s
2
:
Within 2 to 9 Hz
Within 9 to 20 Hz
Within 20 to 55 Hz
Within 55 to 200 Hz
Storage ambient
temperature
-25 (-13qF) to 70qC(158qF)
Storage ambient
humidity
5 to 95% RH (no condensation allowed)
External dimension
Refer to Section 8.4.2 "Standard keypad"
Mass
0.081 lbs(35 grams)
With a keypad rear
cover
(Note) When using an inverter in a place of an altitude within 3281ft (1000 m) to 9843ft (3000 m), you need
to lower the output current of the inverter. For details, refer to Chapter 2, Section 2.1 “Operating
Environment.”
8.3.2 Communications specifications of keypad
Table 8.2 Hardware specifications
Items Specification Remarks
No. of linkable unit One-to-one connection with an inverter
For a remote site
operation.
Link cable
US ANSI TIA/EIA-568A category 5 compliant straight
type cable (10BASE-T/100BASE-TX straight type)
Extension cable for the
remote site operation
(CB-5S, CB-3S,
CB-1S and etc.)
Maximum cable
length
66ft (20 m)
Connector Standard RJ-45 connector/jack Refer to Table 8.3
Table 8.3 Pin Assignment of RJ-45 Connector
Pin number Signal Description Remarks
1 and 8 Vcc Power supply lines for keypad 5 VDC
2 and 7 GND Reference potential 0 V
3 and 6 NC Reserved
4 DX- RS-485 communications data line (-)
5 DX+ RS-485 communications data line (+)
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