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Vol. 1.2 © 2020 Hanbell Precise Machinery Co., Ltd.
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5.5 MBC connection data
I/O Description
XB0
1.350~750 VDC
2. 2Pin(+)；3Pin(-)。
X1
Front bearing cable connector to motor, 2m (refer to
figure 5.1)
X2
Rear bearing cable connector to motor, 2m (refer to
figure 5.1)
X3 Spare contact
X4 24V DC signal to MBC
X5 RS-485 protocol port (refer to figure 5.1)
XB3
Max. 250VAC/0.25A or 30VDC/2A power supply.
(refer to figure 5.1)
5.5.1 Additional info. about connection port
1. X4：Use I/O to monitor magnetic bearings by 24 VDC power supply (refer to figure 5.1)：
Digital-In1： Levitation (X4 terminal number：1 and 2)
Reply open (0V) → Levitation OFF。
Reply closed (24V) → Levitation ON。
Digital-In 2：Rotation (X4 terminal number：3 and 4)
Reply open (0V) →Rotation OFF。
Reply closed (24V) →Rotation ON。
Digital-In 3：Reset (X4 terminal number：5 and 6)
Reply open (0V) → Reset OFF。
Reply closed (24V) → Reset ON。
2. XB3：The signal from relay inside of MBC
Digital-Out1： Shut Down Request, SDR (XB3 terminal number：1 and 2)
Reply open → SDR ON。
Reply closed → SDR OFF。
Note：When SDR ON, the shaft is still in suspension status, must reset before restarting.
Digital-Out 2：Ready to rotate (XB3 terminal number：3 and 4)
Reply open → Not ready。
Reply closed → Ready。
Digital-Out 3：MBC status (XB3 terminal number：5 and 6)
Reply open → MBC power is off
Reply closed → MBC in operation
5.5.2 Communication of MBC and PLC
Please refer MBC Communication address-1.1
5.6 Total Harmonic Distortion (THD) info.
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