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1
OVERVIEW
1.1 Product List
1 - 1
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
SETTINGS AND
PROCEDURES BEFORE
OPERATION
6
TROUBLESHOOTINGAPPENDIX
CHAPTER 1 OVERVIEW
This manual explains specifications, handling, and wiring methods of the safety relay
module.
1.1 Product List
Table 1.1 Product list
Product name Model name Description
Q series safety relay module
QS90SR2SP-Q
A safety relay module mounted on a MELSEC-Q series base unit
Input P type (Dual input with positive commons)
QS90SR2SN-Q
A safety relay module mounted on a MELSEC-Q series base unit
Input N type (Dual input with positive common and negative
common)
CC-Link safety relay module
QS90SR2SP-CC
A safety relay module connected to the CC-Link network
Input P type (Dual input with positive commons)
QS90SR2SN-CC
A safety relay module connected to the CC-Link network
Input N type (Dual input with positive common and negative
common)
Extension safety relay module
QS90SR2SP-EX
An extension safety relay module
Input P type (Dual input with positive commons)
QS90SR2SN-EX
An extension safety relay module
Input N type (Dual input with positive common and negative
common)