4
Operating instructions
Emergency stop command device
EDRRS40...
EN
3.4 Contact element EF…
in fitted condition
46
10
10
a)
EFR
EFR
52
52
10 10
10
60
a) Maximum number of contacts (2 contact elements, max. 4 contacts)
4. Electrical connection
4.1 Important notes
The electrical connection may only be carried out by
authorised personnel in a de-energised condition.
At least one contact with positive break must be integrated in
the safety circuit.
Please observe the fault protection (protection in case of
indirect contact).
If the EFR.EDRRS with earth connection is used, the earth
connection must be tested prior to start-up.
If EDRRS... is used with EFR, the electrical connection in the
PELV (extra-low voltage) must be executed in accordance
with EN 60204-1.
If the EDRRS... is used with EFR.EDRRS, the earth loop
must be provided with a 6.3 mm flat plug-in connector and
plugged into the earth connection.
After wiring, the contact elements must be cleaned
(i.e. remove excess cables etc.).
The fixing screws of the contact element must be tightened
with 0.8 Nm tightening torque.
4.2 Contact variants
The following contact variants can be combined together:
Screw or plug-in terminals:
– 1 × EF303 (1 NC/1 NO) + 1 × EF220 (2 NC) or
– 2 × EF303 (1 NC/1 NO each contact element) or
– 2 × EF220 /2 NC each contact element)
EFK cage clamp: contact data upon request
EF 220.1
EF 220.2
EF 220.3
11
21
12
22
31
41
32
42
51
61
52
62
EF 303.1
EF 303.2
EF 303.3
11
23
12
24
31
43
32
44
51
63
52
64
4.3 Switch travel
EF 220.1
EF 220.2
EF 220.3
EF 303.1
EF 303.2
EF 303.3
6
0
2
6
0
3
3
5. Set-up and maintenance
5.1 Functional testing
The safety function of the safety components must be tested.
The following conditions must be checked and met:
• Correct fixing of the fitted component
• Check the integrity of the cable entry and connections
• Check the emergency stop command device for damage
5.2 Maintenance
A regular visual inspection and functional test, including the following
steps, is recommended:
• Check the correct fixing of the emergency stop command device and
the contact element
• Remove particles of dust and soiling.
• Check cable entry and connections.
Damaged or defective components must be replaced.
6. Disassembly and disposal
6.1 Disassembly
The safety switchgear must be disassembled in a de-energised
condition only.
• Disassembly of the EF... contact element(s).
• Actuate/snap in EDR emergency stop actuator and turn.
• Spread the spring (A) between the EDRR actuator plunger and
the EFR spring element by means of a screwdriver (B) or similar
(refer to drawing). The actuator jumps back into basic position.
• Snap off the EFR spring element, disassembly the actuating head
if necessary.
A
B
6.2 Disposal
The safety switchgear must be disposed of in an appropriate manner in
accordance with the national prescriptions and legislations.
