Features - Mitsubishi Electric MELSEC Q Series User Manual

1
OVERVIEW
1.2

Features

This section explains features of the safety relay module.
(1) Obtaining the highest level of safety approval
(2) Category 3 and Category 4 compliant
Dual input with positive
commons
(Input P type)
Dual input with positive
common and negative common
(Input N type)
(3) Monitoring safety control with the MELSEC-Q series is possible.
1
- 2 1.2 Features
The safety relay module obtained the highest safety approval (Category 4 of EN954-
1/ISO13849-1/performance level E) that the programmable controller can be gained
(In some conditions, Category 3/performance level D can be gained).
A system ensuring higher safety can be configured.
A system complying with Category 3 or Category 4 of EN954-1 can be configured
depending on safety input device to be connected and rated current.
Table 1.1 Conditions for complying with each category
Condition
Mounting/connecting the safety relay module on/to existing MELSEC-Q series
programmable controller allows monitoring operating status of the whole safety relay
module and error status of the module.
Safety input device to be
connected
Contact-type Type 4 light
input device curtain
Category 3 Category 4
Not
Category 4
connectable
Rated current
5.0A max. 3.6A max.
Category 3 or Category 3 or
less Category 4
Equivalent to
Category 4
Category 3