Guard Lock Safety-door Switch

D4GL

13

■ G9SA-301 (24 VAC/VDC) + D4GL-@@@G-@ (Solenoid Lock Type)

+ D4D-

@520N Circuit Diagram

Control

circuit

Feedback loop

Operation

instruction

M

KM1

KM2

Motor controller

S1

Note: Lock release is possible at any time.

Therefore, do not use the solenoid lock type

in applications where the operator may be

exposed to danger when the guard opens.

Use the mechanical lock type instead.

Timing Chart

Limit switch S1

S1:

Safety Limit Switch

with direct opening mechanism

(D4D)

S2:

Guard Lock Safety-door Switch

KM1 and KM2: Magnetic Contactor

M:

3-phase motor

Guard Lock Safety-door Switch S2

Operation signal

Lock signal

K1 and K2

(NC)

K1 and K2

(NO)

KM1 and KM2

(NC)

KM1 and KM2

(NO)

Guard opens

TH

SA

31

32

S2

OPEN

12

11

Lock signal

Operation signal