STP-iX455/iXL455 Series Instruction Manual
8-2
Operation
8.2 Air-cooling Unit Output, and General-purpose Output
8.2.1 Connector X7
The "X7 FAN" connector is used to provide power to the air-cooling unit to cool the STP
pump. The air-cooling unit is an optional accessory. Contact the distributor when
purchasing it.
It can also be used as a general-purpose power supply (24 V DC, 0.2 A max.).
The "X7 FAN" connector provides 24 V DC in the power ON state or backup operation
during a power failure.
Table 8.2 Pin Assignment for Connector X7
Connector X7
pin assignment
Function Outline
1
24 V DC±2 V/0.2 A
2 0 V
◇ When connecting/disconnecting cables, always turn OFF the external power
supply. Failure to do so may result in electric shock or product damage.
◇ See Section 5.2, "Cooling the STP Pump" for details.
8.2.2 Using as a General-purpose Power Supply
Connect the equipment to the connector X7 using the parts listed in Table 8.3.
The rated current of the connector X7 is 0.2 A. An output may be interrupted when the
current more than 0.2 A is passed.
Table 8.3 Suitable Parts for Connector X7
Parts Parts number Remarks
Connector SMR–02V–B
(J.S.T. Mfg. Co., Ltd.)
Contact SYM–001T–P0.6
(J.S.T. Mfg. Co., Ltd.)
Applicable wire: 0.08 to 0.33 mm
2
(AWG#28 to 22)
Wire covering outside diameter:
1.2 to 1.8 mm
X7 FAN
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