1
User Information
EUCHNER GmbH + Co. KG Kohlhammerstraß
e 16 D-70771 Leinfelden-Echte
rdingen Tel. +49/711/75 97-0
Fax +49/711/75 33 16 www.euchner
.de [email protected] Emergency Stop Safety Relay ESM-BA7..
•
2 start behavior possible:
- Monitored manual start
- Automatic start
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Up to PL e, SILCL 3, category 4
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STOP-category: 0
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It is not allowed to open the device, tamper with the de-
vice or bypass the safety devices.
•
All relevant safety regulations and standards are to be
observed.
•
The overall concept of the control system in which the
device is incorporated must be validated by the user.
•
Failure to observe the safety regulations can result in
death, serious injury and serious damage.
Correct Use The ESM-BA7.. is a universal emergency stop safety switching
device with seven safe relay outputs that can quickly and safely
stop the moving parts of a machine or system in case of danger.
Applications for the ESM-BA7.. include single or dual-channel
emergency stop circuits and guard monitoring on machines and
systems. This safety relay can be delivered with fixed screw
terminals or plug-in terminals.
Features
•
7 safe, redundant relay outputs
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4 auxiliary relay outputs; 2 auxiliary transistor outputs
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Connection of:
•
- Emergency stop buttons
- Safety switches
- Non-contact safety switches
- OSSD-Outputs
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Single or dual-channel operation possible
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Feedback loop for monitoring downstream contactors or
expansion modules
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Cyclical monitoring of the output contacts
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Indication of the swiching state via LED
Function
The emergency stop safety switching device ESM-BA7.. is
designed for safe isolation of safety circuits according to EN
60204-1 and can be used up to safety category 4, PL e
according to EN ISO 13849-1.
The internal logical system closes the safety contacts when
the start button is pressed.
If the safety switch is opened, the positively driven safety
contacts are opened and safely switch the machine off. It is
ensured that a single fault does not lead to a loss of the
safety function and that every fault is detected by cyclical
self-monitoring no later than when the system is switched
off and switched on again.
The operating status of the device is indicate by the
auxiliary transistor outputs O1 and O2
O1: Ready. PWR is connected.
O2: Both relay channel K1, K2 are switched on.
Electrical
Connection
•
A safety transformer according to IEC 61558-2-6 or a
power supply unit with electrical isolation from the
mains must be connected.
•
External fusing of the safety contacts (6A slow-blow or
8A quick-action or 10 A gG) must be provided.
•
A maximum length of the control lines of 1000 meters
with a line cross section of 0.75 mm
2
must not be ex-
ceeded.
•
The line cross section must not exceed 2.5 mm
2
.
•
If the device does not function after commissioning, it
must be returned to the manufacturer unopened. Ope-
ning the device will void the warranty.
Installation
As per EN 60204-1, the device is intended for installation in
control cabinets with a minimum degree of protection of
IP54. It is mounted on a 35-mm DIN rail according to
DIN EN 60715 TH35.
Safety
Precautions
•
Installation and commissioning of the device must be
performed only by authorized personnel.
•
Observe the country-specific regulations when installing
the device.
•
The electrical connection of the device is only allowed to
be made with the device isolated.
•
The wiring of the device must comply with the instruc-
tions in this user information, otherwise there is a risk
that the safety function will be lost.
Fig. 1 Block diagramm ESM-BA7..
Fig. 2 Installation / removal
Fig. 3 Connections
A1: Power Supply
A2 : Power Supplay
S11: DC 24V control voltage
S10: Control line
S12: Control line
S13: Control line
S14: Control line
S21: Start, Control line
O1;O2: Aux transistor outputs
0V: Reference common O1, O2
81-82: Auxiliary Contact
91-92: Auxiliary Contact
101-102: Auxiliary Contact
101-112: Auxiliary Contact
13-14 to 73-74:
Safety Out1-7
UL pending
(12 pages)
(2 pages)
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