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Single/Dual
Dual Channel
Equivalent
Dual Channel
Complementary
*1.
To detect ground faults, the 0-V line of the external power supply must be grounded.
*2.
Detection is possible with the OSSD diagnostic function of the light curtain or laser scanner.
l Single-beam Safety Sensors, Non-contact Door Switches, Safety Mats,
and Safety Edges
Input device
Single-beam
Safety Sensor
D40A Non-con-
tact Switch
D40Z Non-con-
tact Switch
Safety Mat/Safe-
ty Edge
*1.
To detect ground faults, the 0-V line of the external power supply must be grounded.
Additional Information
To detect burnouts in a muting lamp, use a PIT si1.2 Muting Lamp manufactured by Pilz, which
supports defective lamp detection.
NX-series Safety Control Unit User's Manual (Z930)
Setting
Test pulse
Without Test Pulse
Same test source for pair
of safety input terminals
Different test sources for
pair of safety input termi-
nals
Without Test Pulse
Same test source for pair
of safety input terminals
Different test sources for
pair of safety input termi-
nals
Contact with
positive side
Ground fault
of power line
Detectable.
Not detectable. Not detecta-
Detectable.
Not detectable. Not detecta-
Detectable.
Not detectable. Not detecta-
Detectable.
Detectable.
4 Safety Control Unit Operation
Error detection
Contact
with posi-
Ground fault
tive side of
power line
Not detecta-
Not detectable.
*2
ble.
Detectable.
Detectable
when input
turns ON.
Detectable.
Detectable
when input
turns ON.
Detectable
Detectable
when input
when input
turns ON or
turns ON or
OFF.
OFF.
Detectable.
Detectable
when input
turns ON or
OFF.
Detectable.
Detectable
when input
turns ON or
OFF.
Error detection
Short cir-
Disconnec-
*1
cuits in in-
tion
put wiring
---
ble.
---
ble.
---
ble.
Detectable.
Not detecta-
ble.
Short
circuits
*1
Disconnection
in input
wiring
Detectable
Not de-
when input
tecta-
turns ON.
*2
ble.
Detectable
Not de-
when input
tectable.
turns ON.
Detectable
Detecta-
when input
ble.
turns ON.
Detectable
Detecta-
when input
ble.
turns ON or
OFF.
Detectable
Detecta-
when input
ble.
turns ON or
OFF.
Detectable
Detecta-
when input
ble.
turns ON or
OFF.
Failure of in-
Sensor by-
put device
pass
Not detecta-
Detectable.
ble.
Not detecta-
Not detect-
ble.
able.
Detectable.
Detectable.
Not detecta-
---
ble.
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Table of Contents
Troubleshooting
