• When Cancel Type is set to "Control Input", the safety output or delay block output stays on if the input turns On
again before the end of the delay
A status output function (Output Delay in Progress) indicates when a Cancel Delay Input can be activated in order to keep
the Off-delayed safety output On. A cancel off-delay device can also be created using a physical input; see
on page 41.
Virtual Cancel Off-Delay Timing
Off Delay
Time Limit
1
Note 1 - If “turn output off” function is selected
Safety Inputs
Cancel Delay Input
SO1 or
Delay Block Output
Figure 24. Safety Input remains in Stop mode
0.5 sec.
Safety Inputs
Cancel Delay Input
SO1 or
Delay Block Output
Off Delay
Time Limit
Figure 25. Turn Output Off function
Safety Inputs
Latch Reset Input
Cancel Delay Input
SO1
On
Off
Off Delay
Time Limit
Figure 26. Keep Output On function for Safety Inputs with the Latch Reset
Off Delay
Started
Off Delay
Ended
Off Delay
Normal End
Cancel Delay
Performed
Safety Inputs
Cancel Delay Input
SO1 or
Delay Block Output
Off Delay
On
Off
Figure 27. Keep Output On function for Safety Inputs without the Latch
Reset
7.7.2 Virtual ON/OFF and Mute Enable
Virtual ON/OFF
Provides an ON or OFF command to the machine. When all of the controlling safety inputs are in the Run state, this
function permits the safety output to turn ON and OFF. The Run state is a logical 1 and the Stop state is a logical 0.
A virtual ON/OFF input can be added without mapping to a safety output, allowing it to control a non-safety status
output. An ON/OFF switch can also be created using a physical input; see
Virtual Mute Enable
Signals the Safety Controller when the mute sensors are permitted to perform a mute function. When the mute
enable function is configured, the mute sensors are not enabled to perform a mute function until the mute enable
signal is in the Run state. The enable (Run) state is a logical 1 and the disable (Stop) state is a logical 0. A mute
enable switch can also be created using a physical input; see
on page 41.
7.8 Safety Outputs
XS/SC26-2
The Base Controller has two pairs of Solid-State Safety Outputs (terminals SO1a and b, and SO2a and b). These outputs
provide up to 500 mA each at 24 V dc. Each redundant Solid-State Safety Output can be configured to function individually
or in pairs, for example, split SO1a independent of SO1b, or SO1 as a dual-channel output.
XS/SC26-2 and SC10-2 Safety Controllers
46
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