Omron NX-SL series User Manual

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4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
General Rules for Safety Function Blocks
Safety FB Common Diagnostic Codes
DiagCode Meaning
0000_0000_0000_0000 binary
0000 hex
0 decimal
Indicates the Idle state.
In this state, the FB is not operating.
Normally, the I/O have the following status.
• Activate = FALSE
• Safety input variables: TRUE or FALSE
• Ready = FALSE
• Error = FALSE
• Safety output variables: FALSE
1000_0000_0000_0000 binary
8000 hex
32,768 decimal
Indicates the default operating status for normal operation that makes the
safety output variable TRUE. The FB is operating and no error has occurred,
or the operation is in a different state that makes the safety output FALSE.
Normally, the I/O have the following status.
• Activate = TRUE
• Safety input variables: TRUE
• Ready = TRUE
• Error = FALSE
• Safety output variables: TRUE
1000_0000_0000_0001 binary
8001 hex
32,769 decimal
Indicates the Init state.
The FB detected Activate, but the safety output is set to FALSE.
Normally, the I/O have the following status.
• Activate = TRUE
• Safety input variables: TRUE or FALSE
• Ready = TRUE
• Error = FALSE
• Safety output variables: FALSE
1000_0000_0000_0010 binary
8002 hex
32,770 decimal
The FB is operating and a safety request input was detected. For example a
safety input variable is FALSE. The safety output variable is FALSE. After
this state, a safety input request is received and the safety output is disabled.
Normally, the I/O have the following status.
• Activate = TRUE
• Safety input variables: FALSE
• Ready = TRUE
• Error = FALSE
• Safety output variables: FALSE
1000_0000_0000_0011 binary
8003 hex
32,771 decimal
The safety output from an operating FB was disabled by a safety request
and the safety output is FALSE.
The safety request has been canceled, but the safety output remains FALSE
until the reset input is detected.
Normally, the I/O have the following status.
• Activate = TRUE
• Safety input variables: Change from FALSE to TRUE (and remain TRUE)
• Re
ady = TRUE
• Error = FALSE
• Safety output variables: FALSE

Omron NX-SL series Specifications

General

Brand	Omron
Model	NX-SL series
Category	Control Unit
Language	English