PNOZX4 PILZ, PNOZX4 Datasheet - Page 2

• Manufacturer Part Number: PNOZX4
• Description: 86H2640
• Manufacturer: PILZ

Specifications of PNOZX4

• Coil Voltage Vac Nom: 240V
• Coil Voltage Vdc Nom: 24V
• Contact Current Max: 8A
• Contact Voltage Ac Nom: 240V
• Contact Voltage Dc Nom: 24V
• Contact Configuration: 3PST-NO / SPST-NC
• No. Of Poles: 4

Emergency Stop Relays, Safety Gate Monitors
Category 4, EN 954-1
PNOZ X4
Schematic interior diagram
External wiring
● Example 1
Single-channel EMERGENCY STOP
wiring with automatic start
● Example 2
Single-channel EMERGENCY STOP
wiring with unmonitored start
Only on AC
device
nur am
AC-Gerät
S1
S1
A1
AC
U B
S12
S12
S11 S12
S11 S12
DC
A2
S52
S52
S21
S22
S22
S21
S21
S52
Channel
Kanal
S3
2
2
S34
S34
S33
S33
S22
Feedback-
loop
Y2
Y36
Y37
Y36
Y37
Rückführ-
kreis
Input loop
Eingangskreis
Y36
Y1
Start loop
Startkreis
S34
Y37
Start
Start-
loop
kreis
S33
S11
● Example 3
Dual-channel EMERGENCY STOP
wiring without shorts across
contacts detection with monitored
start
● Example 4
Single-channel safety gate control
with unmonitored start
Eingangskreis
Channel
Input loop
S11
Kanal
1
1
S12
S12
S1
K2
K1
14
S12
13
S11
Sicherheits-
kontakte
S12
Safety
contacts
S11
S1
24
23
S52
S11
S22
S21
34
33
S22 S34
S21
S52 S34
S12
S3
Hilfskontakt
42
Auxiliary
contact
41
S3
S33
S33
Y36
Y37
Y36
Y37
● Example 5
Dual-channel safety gate control
without shorts across contacts
detection with automatic start
● Example 6
Dual-channel safety gate control with
shorts across contacts detection and
monitored start
● Example 7
Dual channel light barrier control with
shorts across contacts detection by
BWS, with monitored start
– Legend
S1/S2: EMERGENCY STOP or safety
S3:
BWS
gate switch
Start switch
actuated element
gate not closed
gate closed
S12
S11
S22
S11
24 V DC
S52
S11
S1
S12
S21
S2
S12
S11
S52
S11
NSG-D-2-128-12/01
S52
S11
S21
S22
S22 S34
S21
S3
S33
S34
S3
S34
S33
S33
Y36
Y37
Y36
Y37
Y36
Y37