SMC Networks VPX400 Series Operation Manual page 5

Safety Instructions
Warning
Restrictions on safety relay and safety control
When the safety output from a safety relay or safety control is used to operate this product, set the widths of all output
test pulses to less than 1 ms so that the solenoid does not respond.
Output signal
Test pulse < 1 ms
Caution
Use restrictions
This product is compliant with the CE/UKCA marking as a safety part defined in the Machinery Directive 2006/42/EC.
For details, refer to the Declaration of Conformity of this product.
This product can be dedicatedly used for the safety function of a machine that supplies pressure or discharges air to
the whole or part of pneumatics system on the assumption that the monitoring device takes complete control. This
product functions as a safety part only when it is appropriately installed in a system that observes the corresponding
safety standards.
For this reason, use the product within the specification range and applicable conditions.
To satisfy the required performance defined in the corresponding safety standards, prepare all of parts that are
necessary for the safety system to fulfill its functions.
The user bears the responsibility for the specifications, design, implementation, verification, and maintenance of a
safety system.
No. DOC1092179
- 4 -