Chapter 34 Safety Devices, Safety Labels, And Constants; Safety Devices; List Of Safety Devices - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

34
SAFETY DEVICES, SAFETY LABELS, AND
CONSTANTS
This chapter describes the safety devices, safety labels, and constants.
34.1

Safety Devices

A safety device is a device used in safety programs. The safety devices can be used only in the safety programs.
• The safety devices cannot be used in the standard programs.
• An index modification and indirect specification cannot be performed in safety programs.

List of safety devices

The following table lists the safety devices.
Classification
Safety user devices
Safety system devices
*1 If selecting 12K points, check the version of the CPU module and engineering tool. ( Page 1008 Added and Enhanced Functions)
For details on standard devices used for the Safety CPU, refer to the following.
Page 330 DEVICES
34 SAFETY DEVICES, SAFETY LABELS, AND CONSTANTS
554
34.1 Safety Devices
Type Device name
Bit Safety input
Bit Safety output
Bit Safety internal relay
Bit Safety link relay
Bit/word Safety timer
Bit/word Safety retentive timer
Bit/word Safety counter
Word Safety data register
Word Safety link register
Bit Safety special relay
Word Safety special register
Symbol Number of
points (default)
SA\X 8K points
SA\Y 8K points
SA\M 6K points
SA\B 4K points
SA\T 512 points
SA\ST 0 points
SA\C 512 points
SA\D 12K points
SA\W 4K points
SA\SM 4K points
SA\SD 4K points
Changeability with Notation
parameter settings
Selectable either 8K or 12K Hexadecimal
*1
points
Hexadecimal
Changeable ( Page 548 Decimal
Safety device area setting
Hexadecimal
range)
Decimal
Decimal
Decimal
Decimal
Hexadecimal
Unchangeable Decimal
Decimal