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User Information
EUCHNER GmbH + Co. KG Kohlhammerstraße 16 D-70771 Leinfelden-Echterdingen Tel. +49/711/75 97-0 Fax +49/711/75 33 16 www.euchner.de info@euchner.de
Emergency Stop Safety Relay ESM-BA2..
Maintenance
The device must be checked once per month for proper
function and for signs of tampering and bypassing of the
safety function.
Techn. Data
Operating voltage ESM-BA201 ESM-BA202 ESM-BA203
AC/DC 24V AC 115V AC 230V
Rated supply frequency 50-60Hz
Permissible deviation + / - 10%
Power consumption DC 24V AC 230V
approx. 1,2W approx. 3,5 VA
Control voltage at S11 DC 24 V
Control current S11...S14 approx. 40 mA
Safety contacts 2 NO contacts
Max. switching voltage AC 250 V
Safety contact breaking capacity (13-14, 23-24 *) AC: 250 V, 1500 VA, 6 A for ohmic load,
230 V, 4 A for AC-15
DC: 24 V, 30 W, 1.25 A for ohmic load;
24 V, 30 W, 2 A for DC-13
Minimum contact load 24V, 20 mA
Contact fuses 4A slow-blow or 6A quick-action or 10A gG
Line cross section 0.14 -2.5 mm
2
Max. length of control line 1000 m with 0.75 mm
2
Contact material AgNi
Contact service life mech. approx. 1 x 10
7
, electr. 1 x 10
5
operating cycles
Test voltage 2.5 kV (control voltage/contacts)
Rated impulse withstand voltage, leakage path/air gap 4 kV (DIN VDE 0110-1)
Rated insulation voltage 250 V
Degree of protection IP20
Temperature range DC 24 V: -15°C to +60°C
AC 230V/115V/24V: -15°C to +40°C
Degree of contamination 2 (DIN VDE 0110-1)
Overvoltage category 3 (DIN VDE 0110-1)
Weight approx. 230 g
Mounting DIN rail according to EN 60715TH35
Note:
Additional data can be requested from the manufacturer for
applications that deviate from these conditions.
Safety
Characteristics
According to
EN ISO 13849-1
The device is certified according to EN ISO 13849-1 up to a
Performance Level of PL e.
Device cannot be switched on again after an emergency
stop:
•
Check whether the emergency stop circuit was closed
again.
•
Was the start button opened before closing of the emer-
gency stop circuit (with manual start)?
•
Is the feedback loop closed?
If the fault still exists, perform the steps listed under
“Commissioning Procedure”.
If these steps do not remedy the fault either, return the
device to the manufacturer for examination.
Opening the device is impermissible and will void the
warranty.
Device does not switch on:
•
Check the wiring by comparing it to the wiring diagrams.
•
Check the safety switch used for correct function and
adjustment.
•
Check whether the emergency stop circuit is closed.
•
Check whether the start button (with manual start) is
closed.
•
Check the operating voltage at A1 and A2.
•
Is the feedback loop closed?
What to Do in
Case of a Fault?
The device is otherwise maintenance free, provided that it
was installed properly.
Safety characteristics according to EN ISO 13849-1 for all variants of ESM-BA2
Load (DC-13; 24V) <= 0,1A <= 1A <= 2A
T10d [years] 20 20 20
Category: 4 4 4
PL e e e
PFHd [1/h]: 1,2E-08 1,2E-08 1,2E-08
nop [cycle / year] <= 400.000 <= 73.000 <= 17.000
(4 pages)
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