8-4
8.2 Specifications of Keypad Related
8.2.1 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
-10 to 50°C (14 to 122°F)
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 1000m 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 to 70°C (-13 to 158°F)
Storage ambient
humidity
5 to 95% RH (no condensation allowed)
External dimension Refer to Section 8.5.3 “Keypad”
Weight 0.12 lbs(55g)
(Note) When using an inverter in a place of an altitude within 3300ft(1000 m) to 9800ft(3000 m), you need to lower the
output current of the inverter. For details, refer to Chapter 2, Section 2.1 “Operating Environment.”
8.2.2 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
65.6ft(20m)
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 Grounding lines 0 V to the ground
3 and 6 NC Reserved
4 DX- RS-485 communications data line (-)
5 DX+ RS-485 communications data line (+)
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