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CHAPTER 4 INSTALLATION AND WIRING
4
4.3 Connecting an Extension Base Unit
4.3.4 Voltage drop when an extension base unit is used
The voltage supplied to the "IN" connector of the Q5B reaches 4.75 VDC or higher on the condition that the voltage drop (V)
at the extension cable between the main base unit and Q5B is 0.15 VDC or lower.
When connecting GOT by extension cable that is 13.2m or longer, the bus extension connector box A9GT-QCNB is
required.
Since the A9GT-QCNB is supplied with 5VDC from the power supply module loaded on the main base unit, 30mA must be
added to "Im" as the current consumption of the A9GT-QCNB.
For details of the method for GOT bus connection, refer to the following.
GOT-A900 Series User's Manual (Connection)
GOT1000 Series Connection Manual (Mitsubishi Products) for GT Works3
GOT2000 Series Connection Manual (Mitsubishi Products) For GT Works3 Version1
Position of extension base unit Number of bases
for GOT bus
connection
Voltage drop caused by extension cable from the
main base unit to the Q5B IN connector (V)
Q6B Q5B
Extension 1 Extension 2 Extension 3 V=(R1+R2)(I1+Im)
Extension 1, Extension 2 Extension 3 Extension 4 V=(R1+R2+R3)(I2+Im)
Extension 1 to 3 Extension 4 Extension 5 V=(R1+R2+R3+R4)(I3+Im)
Extension 1 to 4 Extension 5 Extension 6 V=(R1+R2+R3+R4+R5)(I4+Im)
Extension 1 to 5 Extension 6 Extension 7 V=(R1+R2+R3+R4+R5+R6)(I5+Im)