Magnetic safety switches for monitoring the position of movable guards in
accordance with EN 60947-5-3
Approvals
PSEN ma1.3b-25
Pending
Pending
Unit features
` The actuator PSEN ma1,3-08 be-
longs to the safety switch
` Safety switch with cable (5 m/ 10 m)
` 2 reed contacts (N/O)
` 1 auxiliary contact (N/O)
` Assured operating distance: 8 mm
` Assured release distance: 15 mm
` Safety switch and actuator with
M12 round design
` Works magnetically
` Switching voltage 24 VDC
` LED to display switch status
Unit description
The safety switch meets the requirements of EN 60204-1 and IEC 60204-
1.
The safety switch is approved for use
in potentially explosive atmospheres in
accordance with EN 50021, Ex area
Category 3, Zone 2 (gas) and 22 (dust),
(II 3GD EEx nC IIC T6).
The safety switch only complies with
EN 60947-5-3 in conjunction with the
PSEN ix1 interface, the actuator PSEN
ma1,3-08 and its approved evaluation
devices. The safety switch should only
be connected to the evaluation devices listed under "Connections".
2.2
Block diagram
Actuator
Magnet
Function description
If the actuator is within the response
range, the magnets switch the reed
contacts on the safety switch. If the
actuator is outside the response range
(safety gate open), the reed contacts
on the safety switch will switch.
energisation contacts satisfy the
requirements of category 3 in accordance with EN 954-1 and the
requirements of a PDF with single-fault tolerance (PDF-S).
–Delay time ≥ 30 s: Delay-on de-
energisation contacts satisfy the
requirements of Category 1 in
accordance with EN 954-1 and
the requirements of a PDF with
designed reliability (PDF-D).
` In the following commissioning cas-
es, check the function that detects
shorts across contacts:
– On evaluation devices with DC
supply voltage: Overall cable resistance ≥ 15 Ohms per channel
– On evaluation devices with AC
supply voltage: Overall cable resistance ≥ 25 Ohms per channel
– For details of how to perform the
test for shorts across the contacts, please refer to the operating manual for the relevant
evaluation device.
switch and actuator on to ferromagnetic material. Changes to the operating distances are to be expected.
` The distance between two systems
comprising safety switch and actuator must be at least 25 mm.
` Safety switch and actuator
– Keep away from iron swarf
– Do not expose to strong mag-
netic fields
– Do not expose to heavy shock or
vibration
Dimensions in mm
Safety switch
– Do not use as a limit stop
– For fixed wiring only
` The unit can be installed in any po-
sition. The safety switch and actuator must be installed so that the
bevelled surfaces face each other
precisely.
` The safety switch and actuator
should only be secured using M12
nuts made of non-magnetic material (e.g. Messing). Torque setting
max. 300 Ncm.
Adjustment
` The safety switch may only be used
with the corresponding actuator
PSEN ma1,3-08.
` Always test the function with the
PSEN ix1 interface and one of the
approved evaluation devices.
` The stated operating distances (see
Technical details) only apply when
the safety switch and actuator are
installed facing each other in parallel. Switching distances may deviate if other arrangements are used.
Note the maximum permitted lateral and vertical offset (see "Operating distances" and "Max. lateral
and vertical offset").
Actuator
2
42,6
59,2
M12 x 1
11
212,5
NOTICE
This data sheet is only intended for use
during configuration. For installation
erating instructions supplied with the
unit.
and operation, please refer to the op-
Technical details
ATEX categoryII 3GD Eex nC IIC T6
Switching distances
Assured operating distance S
Min. operating distance S
Assured release distance S
Switching voltage24 V
Max. switching current for reed contacts0.20 A
Max. switching current for auxiliary contacts10 mA
Max. breaking capacity for reed contacts5.0 W
Max. switch frequency1 Hz
ActuatorPSEN ma1,3-08
Ambient temperature-25 - 70 °C
Vibration to EN 60947-5-2
Frequency10 - 55 Hz
Amplitude0.35 mm
Shock stress30 g , 11 ms
Connection type10m cable
CableLiYY 6 x 0,25 mm
Protection typeIP69K
Housing materialPBT
Dimensions
DiameterM12
Safety switch
Depth59.2 mm
Actuator
Depth25 mm
Weight
Safety switch430 g
Actuator10 g