Safety I/O Functions; Safety Input Functions - Omron NX-SID Series User Manual

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Safety I/O Functions

The following sections describe the safety I/O functions of the Safety I/O Units.
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Safety Input Functions

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 terminals of the Safety Input Unit are listed in the following table.
Input device name
Emergency stop switch
Safety door switch
Safety limit switch
Two-hand switches
Safety key selector switch
Enabling switch
EDM feedback
Reset switch
Safety light curtain
Safety laser scanner
You can set the above parameters for the following general-purpose input devices.
Safety input devices with mechanical contacts
• Mechanical Contact for Single Channel
• Mechanical Contact for Dual Channel Equivalent
• Mechanical Contact for Dual Channel Complemen-
tary
Safety input device with semiconductor output
• Semiconductor Output for Single Channel
• Semiconductor Output for Dual Channel Equivalent
• Semiconductor Output for Dual Channel Comple-
mentary
The following OMRON Special Safety Input Devices can be connected directly without a special con-
troller (This applies only to the NX-SIH400.)
NX-series Safety Control Unit User's Manual (Z930)
Type of input device
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts
Device with mechanical contacts,
standard input
Device with semiconductor output
Device with semiconductor output
Type
3 Part Names and Functions
Type of contacts
Single channel
Dual-channel equivalent input
Single channel
Dual-channel equivalent input
Dual-channel complementary input
Single channel
Dual-channel equivalent input
Dual-channel complementary input
Dual-channel complementary input
Single channel
Dual-channel equivalent input
Dual-channel complementary input
Dual-channel equivalent input
Single channel
Single channel with test pulse
Single channel without test pulse
Dual-channel equivalent input
Dual-channel equivalent input
Possible settings
Emergency stop switch, safety door switch, safety limit
switch, two-hand switches, safety key selector switch,
Enabling switch, and EDM feedback
Safety light curtain and safety laser scanner
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