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5.7 Operating states
IN
ACT
LOCK
PWR
OUT
LED
LED
LED
LED
O
O
O
O
Green/
Green/
Green/
Green/
Green/
red,
red,
red,
red,
alter-
alter-
alter-
alter-
alter-
nating
nating
nating
nating
nating
Green
O
O
Green
Green
Green
Green /
O
orange,
fl ashing
Green
fl ashing
Green
Orange,
fl ashing
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Green
Orange Orange
Green
Green
Green
Green
Orange
Green
Green /
orange,
fl ashing
Green
Red,
fl ashing
Green
O
O
Red,
fl ashing
Red
O
O
O
Red,
O
O
O
fl ashing
Green
O
Green
Green
Green
Green
Green
Green
O
O
O
O = off
= indifferent
(a) = only available with the L250-P5xxx version
Device
EDM
a
Description
LED
status
O
O
OFF
Device switched off.
Green/
POWER
Internal tests at switching on.
red,
red,
ON
alternat-
ing
Green
RUN
Safety inputs of the device
not active.
RUN
Activation of safety inputs.
RUN
Noncoherent safety inputs.
Recommended action: check
input signal activation and/or
wiring of inputs.
Red,
RUN
Noncoherent inputs IE1
and IE2 for electromagnet
activation.
Recommended action: check
input signal activation and/or
wiring of inputs.
RUN
Auxiliary release activated.
Deactivate the auxiliary
release to lock the actuator
RUN
Actuator in safe area. O3
signal output active.
O
RUN
Actuator in safe area and
locked, O3 and O4 outputs
active.
O
RUN
Mode 1
Activation of IS1 and IS2
safety inputs. Actuator in
safe area and locked. O3,
O4, OS1 and OS2 outputs
active.
O
RUN
Mode 2
Activation of IS1 and IS2
safety inputs. Actuator in
safe area. O3, OS1, and
OS2 outputs active.
O
RUN
Mode 3.
Actuator present, protective
device closed and locked,
IS1 active, IS2 not active,
OS1 active, OS2 not active
O
O
RUN
Mode 3.
Actuator present, protec-
tive device closed and not
locked, IS1 and IS2 active,
OS1 not active, OS2 active
RUN
Flashing fast (5 Hz): supply
voltage too high.
Flashing slow (1 Hz): tem-
perature at the limit of the
permitted range
ERROR Error on safety outputs.
Recommended action:
check for any short circuits
between the outputs, outputs
and ground or outputs and
power supply, then restart
the device.
O
O
ERROR Actuator detection error.
Check for physical integrity
of the device. In case of
damage, please replace the
entire device. If undamaged,
realign the actuator and
restart the device.
O
O
ERROR Internal error. Recommended
action: restart the device. If
the fault persists, replace
the device.
O
O
ERROR Temperature error: outside
the permissible range
Green
RUN
EDM signal active (external
relay off)
a
O
RUN
EDM signal not active (exter-
nal relay on)
a
O
Red,
ERROR Error in EDM function
fl ashing
5.8 Interfacing
Connection to the MSI-SR-LC21 safety module
Connection to the MSI 400 safety module
The connections vary according to the program of the safety module
A1
A2
A1
L250-P5xxx
I5
OS1
OS2
.
6 INSTRUCTIONS FOR PROPER USE
6.1 Installation
Attention: The installation must exclusively be carried out by qualifi ed personnel.
The OS1 and OS2 safety outputs of the device must be connected to the safety circuit
of the machine. The O3 and O4 signal outputs are not safety outputs and cannot be
used individually in a safety circuit to determine the "protection closed" state.
- Do not stress the device with bending and torsion.
- Do not modify the device for any reason whatsoever.
- Do not exceed the tightening torques specifi ed in the present operating instructions.
- The device carries out a personnel protection function. Any inadequate installation
or tampering can cause people serious injuries and even death as well as property
damage and fi nancial losses.
- These devices must not be bypassed, removed, turned or disabled in any other
way.
- If the machine where the device is installed is used for a purpose other than the
intended use, the device may not provide effi cient personnel protection.
- The safety category of the system (according to EN ISO 13849-1), including the
safety device, also depends on the external devices connected to it and their type.
- Before installation, make sure the device is not damaged in any part.
- Before installation, ensure that the connection cables are not powered.
- Avoid excessive bending of connection cables in order to prevent any short circuits
or power failures.
- Do not paint or varnish the device.
a
- Do not drill the device.
- Do not use the device as a support or rest for other structures, such as cable ducts
or sliding guides.
- Before commissioning, make sure that the entire machine (or system) complies
with all applicable standards and EMC directive requirements.
- The device fi tting surface must always be smooth and clean.
- Should the installer be unable to fully understand the documents, the product must
not be installed and the necessary assistance may be requested from the manu-
facturer (see section SUPPORT).
- Check for correct switching of the outputs and correct operation of the system
comprising the device and associated safety module before commissioning the
machine and in regular intervals.
- In proximity of the device do not carry out arc welding, plasma welding, or any other
process that may generate electromagnetic fi elds of intensity higher than the limits
prescribed by the standards, even when the device is off. Where welding operations
5
Input confi guration with monitored start
A1
IS2
A2
L250
OS2
S33
A1
S31
MSI-SR-LC21
S21
S22
S34
A2
IS2
A2
A1
IS2
L250
L250
OS2
OS2
Ixx
Ixx
Ixx
Ixx
MSI 400
EDM connection
Attention: if all OS safety
outputs are connected directly to
a safety contactor, we recommend
using fast-switching diodes con-
nected in parallel to the contactor
coils
A2
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