Leuze electronic GmbH + Co. KG
MA 238
i
22
Supply voltage
Connecting the functional earth FE
Switching input/output
The MA 238
i
is equipped with the SWIO_1 and SWIO_2 switching inputs/outputs. This is located on the
PWR IN M12 connector and on the PWR OUT M12 connector. The connection of the switching inputs/
outputs from PWR IN to PWR OUT can be interrupted by means of a jumper. In this case, only the
switching input and output on PWR IN are active.
The function of the switching inputs and outputs is dependent on the connected Leuze device. Detailed
information on this topic can be found in the respective operating instructions.
7.2.2 PWR OUT switching input/output
Device
PIN 2
PIN 4
BCL 22
SWOUT_1
SWIN_1
BCL 8
SW_0
SW_I
Hand-held scanner/
BCL 90
n.c.
n.c.
RFM/RFU/RFI
SWOUT_1
SWIN_1
LSIS 122, LSIS 222,
DCR 202i
SWOUT
SWIN
LSIS 4x2, BCL 300i,
BCL 500i, BCL 600i
configurable
IO 1 / SWIO 3
IO 2 / SWIO 4
configurable
KONTURflex
n.c.
n.c.
ODSL 9, ODSL 96B
Q1
n.c.
ODSL 30
Q1
active/reference
(on SWIN_1, PWRIN)
Table 7.2:
Device-specific function of the SWIOs
ATTENTION!
For UL applications, use is only permitted in Class 2 circuits in accordance with the NEC
(National Electric Code).
The fieldbus gateways are designed in accordance with protection class III for supply by PELV
(protective extra-low voltage with reliable disconnection).
NOTE
Ensure that the functional earth (FE) is connected correctly. Unimpaired operation is only guar
-
anteed when the functional earth is connected properly. All electrical disturbances (EMC
couplings) are discharged via the functional earth connection.
PWR OUT (5-pin socket, A-coded)
Pin
Name
Comment
1
VOUT
Voltage supply for additional devices
(VOUT identical to VIN at PWR IN)
2
SWIO_2
Switching input / switching output 2
3
GND
GND
4
SWIO_1
Switching input / switching output 1
5
FE
Functional earth
Thread
FE
Functional earth (housing)
Table 7.3:
PWR OUT pin assignment
PWR OUT
VOUT 1
2
3
4
SWIO_2
SWIO_1
GND
FE
5
M12 socket
(A-coded)