Table 2-3-2 Functions of control circuit terminals

Classifi-

Termi-

 

 

 

 

 

nal

Terminal name

Detailed specifications

Remarks

cation

symbol

 

 

 

 

 

 

 

 

 

 

 

 

 

13

Power supply for

Used as power supply for frequency setting

 

 

 

 

 

variable resistor

device (POT: 1 to 5 kΩ). (+10Vdc 10mA

 

 

 

 

 

 

max.)

 

 

 

 

12

Frequency setting

0 to +10Vdc /0 to 100%,0 to +5Vdc /0 to

 

 

 

Analog

 

voltage input

100%

 

 

 

 

 

(Input impedance : 22 kΩ)

 

 

 

input

 

 

 

 

 

C1

Frequency setting

4 to 20mAdc /0 to 100%

 

 

 

 

 

 

 

 

 

current input

(Input impedance : 250 Ω)

 

 

 

 

11

Analog common

Common terminal for analog input signals

 

 

 

 

FWD

Forward operation

Forward operation with FWD-CM ON and

Deceleration-

 

 

/stop command

deceleration-stop with FWD-CM OFF

stop with FWD-

 

REV

Reverse operation

Reverse operation with REV-CM ON and

CM

and

REV-

 

 

/stop command

deceleration-stop with REV-CM OFF

CM ON

 

 

X1

Digital input 1

The functions listed below can be set by the

Set

with

func-

 

X2

Digital input 2

X1 to X3 terminal functions.

tions

E01 to

 

X3

Digital input 3

 

E03

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SS1)

Multistep frequency

Up to four steps speed operation can be se-

 

 

 

 

(SS2)

selection

lected with SS1 and SS2 ON/OFF signals.

 

 

 

 

(BX)

Coast to stop com-

Drive output is cut immediately and the mo-

 

 

 

 

 

mand

tor coasts to a stop (no alarm output) if BX

 

 

 

 

 

 

goes on.

 

 

 

 

(RST)

Alarm reset

The drive releases the status held after stop

 

 

 

 

 

 

with an alarm when RST changes from ON

 

 

 

Digital

 

 

to OFF.

 

 

 

(THR)

External alarm input

The drive stops with an alarm if THR is set to

 

 

 

input

 

 

 

 

 

 

OFF.

 

 

 

 

(WE-

Write-enable com-

Data rewriting for each function with the key-

 

 

 

 

KP)

mand for keypad

pad panel is rejected if WE-KP is OFF.

 

 

 

 

 

(data change

Rewriting with keypad panel is allowed if

 

 

 

 

 

allowed)

WE-KP is ON.

 

 

 

 

(Hz/PID

PID control cancel

PID control cancel with Hz/PID ON

 

 

 

 

)

 

PID control with Hz/PID OFF

 

 

 

 

(LE)

Link operation

Operation based on command from RS485

 

 

 

 

 

selection

with LE ON

 

 

 

 

 

 

Drive single operation with LE OFF

 

 

 

 

(PLC)

PLC signal power

Malfunctions due to PLC power failure are

Switching of X3

 

 

input

prevented.

terminal

with

 

 

 

 

switch SW7

 

CM

Digital common

Common terminal for digital input signal

 

 

 

-21-

Page 23
Image 23
GE C11, AF-300 manual Functions of control circuit terminals, Fwd