Operating Instructions Safety Systems
MGB-L0…-AR.-… and MGB-L0…-AP.-…
6
(translation of the original operating instructions) 112657-12-01/15
2. Correct use
The system comprises at least one interlocking module MGB-L0-... and one handle module MGB-H...
The safety system MGB is an interlocking device without guard locking (type 4). Devices with unicode evaluation possess a
high coding level; devices with multicode evaluation feature a low coding level.
The interlocking module can be congured with the aid of DIP switches. Depending on the setting, the interlocking module
behaves like an AP or AR device (see chapter 2.1. Main differences between MGB-AP and MGB-AR on page 7). More
detailed information about the possible settings is available in the chapter 11.6. Changing device conguration (using DIP
switches) on page 24.
In combination with a movable safety guard and the machine control, this safety component prevents dangerous machine
functions from occurring while the safety guard is open. A stop command is triggered if the safety guard is opened during
the dangerous machine function.
This means:
Ì Starting commands that cause a dangerous machine function must become active only when the safety guard is closed.
Ì Opening the safety guard triggers a stop command.
Ì Closing a safety guard must not cause automatic starting of a dangerous machine function. A separate start command
must be issued. For exceptions, refer to ENISO12100 or relevant C-standards.
Before the device is used, a risk assessment must be performed on the machine, e.g. in accordance with the following
standards:
Ì ENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
Ì ENISO12100, Safety of machinery – General principles for design – Risk assessment and risk reduction
Ì IEC62061, Safety of machinery – Functional safety of safety-related electrical, electronic and programmable electronic
control systems
Correct use includes observing the relevant requirements for installation and operation, particularly based on the following
standards:
Ì ENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
Ì ENISO14119 (supersedes EN1088), Safety of machinery – Interlocking devices associated with guards – Principles
for design and selection
Ì EN60204-1, Safety of machinery – Electrical equipment of machines – Part 1: General requirements
The safety system MGB can only be combined with the intended modules in the MGB system family.
On the modication of system components, EUCHNER provides no warranty for function.
AR
Interlocking modules with the conguration MGB-AR can be integrated into an AR switch chain.
Connection of several devices in an AR switch chain is permitted only using devices intended for series connection
in an AR switch chain. Check the operating instructions for the related device.
Important!
Ì The user is responsible for the proper integration of the device into a safe overall system. For this
purpose, the overall system must be validated, e.g. in accordance with ENISO13849-2.
Ì Correct use requires observing the permissible operating parameters (see chapter 13. Technical
data on page 32).
Ì If a product data sheet is included with the product, the information on the data sheet applies.
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