Omron NX-SID Series User Manual

4-3
Safety I/O Function
The following sections describe the safety I/O functions of the Safety I/O Units.
4-3-1
Safety Input Function
Connectable Input Devices
The Safety Input Unit diagnoses the connected external devices and other things through the safety
input terminals.
The safety input devices and standard input devices that can be connected to the safety input termi-
nals of the Safety Input Unit are listed in the following table.
Input device name Type of input device Type of contacts
Emergency stop switch Device with mechanical contacts Single channel
Dual-channel equivalent input
Safety door switch Device with mechanical contacts Single channel
Dual-channel equivalent input
Dual-channel complementary input
Safety limit switch Device with mechanical contacts Single channel
Dual-channel equivalent input
Dual-channel complementary input
Two-hand switches Device with mechanical contacts Dual-channel complementary input
Safety key selector switch Device with mechanical contacts Single channel
Dual-channel equivalent input
Dual-channel complementary input
Enabling switch Device with mechanical contacts Dual-channel equivalent input
EDM feedback Device with mechanical contacts Single channel
Reset switch Device with mechanical contacts, standard in-
put
Single Channel with Test Pulse
Single Channel without T
est Pulse
Safety light curtain
Device with semiconductor output Dual-channel equivalent input
Safety laser scanner Device with semiconductor output Dual-channel equivalent input
You can set the above parameters for the following general-purpose input devices.
Type Possible settings
Safety input devices with mechanical contacts
• Mechanical Contact for Single Channel
• Mechanical Contact for Dual Channel Equivalent
• Mechanical Contact for Dual Channel Complementary
Emergency stop switch, safety door switch, safety
limit switch, two-hand switches, safety key selec-
tor switch, Enabling switch, and EDM feedback
Safety input device with semiconductor output
• Semiconductor Output for Single Channel
• Semiconductor Output for Dual Channel Equivalent
• Semiconductor Output for Dual Channel Complementary
Safety light curtain and safety laser scanner
The following OMRON Special Safety Input Devices can be connected directly without a special con-
troller. (This applies only to the NX-SIH400.)
4 Safety Control Unit Operation
4 - 10
NX-series Safety Control Unit User's Manual (Z930)

Omron NX-SID Series Specifications

General

Brand	Omron
Model	NX-SID Series
Category	Controller
Language	English