Table 2.7 Symbols, Names and Functions of the Control Circuit Terminals (Continued)
Classifi
-
catio
n
Symbol
Name
Functions
Digi
ta
l
in
put
[X1]
Digital
input 1
(1) The various signals such as "Coast to a stop," "Enable external alarm
trip," and "Select multistep frequency" can be assigned to terminals [X1] to
[X3], [FWD] and [REV] by setting function codes E01 to E03, E98, and E99.
For details, refer to Chapter 5, Section 5.2 "Details of Function Codes."
(2) Input mode, i.e. Sink/Source, is changeable by using the internal jumper
switch.
(3) Switches the logic value (1/0) for ON/OFF of the terminals between [X1] to
[X3], [FWD] or [REV], and [CM]. If the logic value for ON between [X1] and
[CM] is 1 in the normal logic system, for example, OFF is 1 in the
negative logic system and vice versa.
(4) The negative logic signaling cannot be applicable to [FWD] and [REV].
Digital input circuit specifications
[X2]
Digital
input 2
[X3]
Digital
input 3
[FWD]
Run
forward
command
[REV]
Run
reverse
command
Item
Min.
Max.
Operation
voltage
(SINK)
ON level
0 V
2 V
OFF level
22 V
27 V
Operation
voltage
(SOURCE)
ON level
22 V
27 V
OFF level
0 V
2 V
Operation current at ON
(Input Voltage at 0 V)
2.5 mA
5 mA
Allowable leakage
current at OFF
-
0.5 mA
[PLC]
PLC
signal
power
Connects to PLC output signal power supply.
Rated voltage: +24 VDC (Allowable range: +22 to +29 VDC), Max. 50 mA
[CM]
Digital
common
Common terminal for digital input signals
This terminal is electrically isolated from terminals [Y1E].
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