2-18
Table 2.9 Continued
Classifi- cation
Symbol Name
Functions
[PLC]
PLC
signal
power
Connects to PLC output signal power supply.
(Rated voltage: +24 VDC (Maximum 50 mA DC): Allowable range: +22 to
+27 VDC)
This terminal also supplies a power to the circuitry connected to the
transistor output terminals [Y1] and [Y2]. Refer to "Analog output, pulse
output, transistor output, and relay output terminals" in this Section for more.
[CM]
Digital
input
common
Two common terminals for digital input signal terminals
These terminals are electrically isolated from the terminals [11]s and [CMY].
Using a relay contact to turn [X1], [X2], [X3], [X4], [X5], [FWD], or [REV] ON or OFF
Figure 2.16 shows two examples of a circuit that uses a relay contact to turn control
signal input [X1], [X2], [X3], [X4], [X5], [FWD], or [REV] ON or OFF. In circuit (a), the
slide switch SW1 has been turned to SINK, whereas in circuit (b) it has been turned to
SOURCE.
Note:
To configure this kind of circuit, use a highly reliable relay.
(Recommended product: Fuji control relay Model HH54PW)
(a) With the switch turned to SINK
(b) With the switch turned to SOURCE
Figure 2.16 Circuit Configuration Using a Relay Contact
Using a programmable logic controller (PLC) to turn [X1], [X2], [X3], [X4], [X5],
[FWD], or [REV] ON or OFF
Figure 2.17 shows two examples of a circuit that uses a programmable logic controller
(PLC) to turn control signal input [X1], [X2], [X3], [X4], [X5], [FWD], or [REV] ON or OFF.
In circuit (a), the slide switch SW1 has been turned to SINK, whereas in circuit (b) it has
been turned to SOURCE.
In circuit (a) below, short-circuiting or opening the transistor's open collector circuit in
the PLC using an external power supply turns ON or OFF control signal [X1], [X2], [X3],
[X4], [X5], [FWD], or [REV]. When using this type of circuit, observe the following:
- Connect the + node of the external power supply (which should be isolated from the
PLC's power) to terminal [PLC] of the inverter.
- Do not connect terminal [CM] of the inverter to the common terminal of the PLC.
(a) With the switch turned to SINK
(b) With the switch turned to SOURCE
Figure 2.17 Circuit Configuration Using a PLC
Digit
al
input
For details about the slide switch setting, refer to Section 2.3.7, "Setting up the slide switches".)
Summary of Contents for FRENIC-Multi series
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