STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 41
INSTALLATION
3
Figure 30 - DC power cable
Name Model number
Remarks
Connector (CN1)
NJC–2410–PF
(Nanaboshi Electric Mfg.co.,Ltd)
Capable of fastening the cable outside-
diameter φ11.5 to 14 mm by the cable clamp
Cable bushing
*1
NJC–24–CB
(Nanaboshi Electric Mfg.co.,Ltd)
Capable of fastening the cable outside-
diameterφ9.5 to 11.0 mm
Cable
2-conductor cable, 0.75 to 1.25 mm
2
(AWG18 to 16)
*2
(maximum cable outside-diameter isφ14 mm)
Table 8 - Suitable parts for DC power cable
Connector X1
Pin No.
Signal Remarks Outline
1 +24 V For +24 VDC power supply
4 FG Frame ground
5 0 VA For the ground for DC power supply
2, 3, 6, 7, 8, 9, 10
－
DO NOT connect these pins
*3
Table 9 - Number of claw clamps for flange size
Note: No. 4 pin (FG) of the connector X1 is connected internally to the pump body and other
metallic components.
Note: The STP pump mounts 10 A fuse in DC power supply input line as overcurrent protection.
Note: When using the power supply unit iPD-240-24V (optional accessory), be sure to use the iPD-
240 connection cable for the connection of the power supply unit iPD-240-24V. The iPD-240
*1
: The cable bushing is used when the outside-diameter of the cable is φ11.0 mm or less.
*2
: Considering the voltage drop, chose the wire diameter according to the cable length to be used. (see Section 3.5)
*3
: It is equipped for a power supply unit iPD-240-24V (optional accessory).
To external
power supply
To STP
pump X1
Cable bushing
CN1
CN1
Cable clamp
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