CT100G Series Inverter
CHAPTER 2 INSTALLATION AND WIRING
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Short circuit the pins 1 and 2 of X1 by short-circuit module,
the terminating resistor of 120Ωis used for RS485 bus;
Short circuit the pins 2 and 3 of X1 by short-circuit module,
the terminating resistor is not used for RS485 bus;
When the short-circuit module is not used, the terminating
resistor is not used for RS485 bus.
X2
Analog input 1 voltage and current selection
Short circuit the pins 1 and 2 of X2 by short-circuit module, the
analog input 1 is voltage input (0
～
10V);
Short circuit the pins 2 and 3 of X2 by short-circuit module, the
analog input 1 is current input (0
～
20mA);
When the short-circuit module is not used, the analog input 1 is
voltage input (0
～
10V).
X3
Analog output 1 voltage and current selection
Short circuit the pins 1 and 2 of X3 by short-circuit module, the
analog output 1 is voltage output (0
～
10V);
Short circuit the pins 2 and 3 of X3 by short-circuit module, the
analog output 1 is current output (0
～
20mA).
X4
Analog output 2 voltage current selection
Short circuit the pins 1 and 2 of X4 by short-circuit module, the
analog output 2 is voltage output (0
～
10V);
Short circuit the pins 2 and 3 of X4 by short-circuit module, the
analog output 2 is current output (0
～
20mA).
X1
3
Short circuit the pins 1 and 2 of X13 by short-circuit module, the
te10V/5V supplies power +10V;
Short circuit the pins 2 and 3 of X13 by short-circuit module, the
te10V/5V supplies power +5V.
X6
Special pins for control board CPU downloading (factory set, unnecessary
to change)
X7
X8
X9
The interface of the main signal for connecting the signals between the
control board and the power board
2.4.4 T
erminals of control circuit
