Safety Relay Add-On Module; Function; Target Group; Proper Use - Wenglor SR4E4D01S Notice D'instructions

1. Safety Relay Add-on Module

1.1. Function

• This operating instructions manual provides all the information you need for the mounting, set-up and com-
missioning for the safe operation and disassembly of the output expander module.
• The operating instructions must be available in a legible condition and a complete version in the vicinity of
the device.

1.2. Target group

• All operations described in this operating instructions manual must be carried out by trained specialist
personnel, authorized by the plant operator only.
• Please make sure that you have read and understood these operating instructions and that you know all
applicable legislations regarding occupational safety and accident prevention prior to installation and put-
ting the component into operation.
• The machine builder must carefully select the harmonised standards to be complied with as well as other
technical specifications for the selection, mounting and integration of the components.

2. Proper Use

This wenglor product has to be used according to the following functional principle:
Safety Relay Add-on Module
The output expander modules for integration in safety circuits are designed for fitting in control cabinets. They
are used for the safe evaluation of the signals and the safe contact multiplication of an upstream safety-moni-
toring module.

3. Safety Precautions

3.1. Safety Precautions
• This operating instruction is part of the product and must be kept during its entire service life.
• Read this operating instruction carefully before using the product.
• Installation, start-up and maintenance of this product has only to be carried out by trained personnel.
• Tampering with or modifying the product is not permissible.
• Protect the product against contamination during start-up.
• The user must observe the safety instructions in this operating instructions manual, the country-specific
installation standards as well as all prevailing safety regulations and accident prevention rules.
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