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Function as switching output
Switching output
Figure 7.4:
Attention!
Each configured switching output is short-circuit proof! Do not load the respective switching
output of the BCL
Notice!
Both switching inputs/outputs SWIO_1 and SWIO_2 are configured by default in such a way
that they function as switching inputs:
• Switching input SWIO_1 activates the start reading gate function
• Switching input SWIO_2 activates the reference code teach-in function
The functions of the individual switching inputs/outputs are programmed via the display or
via configuration in the webConfig tool under the Switching input or Switching output
heading.
For further information, see also "Commissioning and configuration" on page 109.
7.2.4
HOST / BUS IN for BCL 500
The BCL 500
is selected via the display or the "webConfig" configuration software. The pin assignments
change depending on the selected interface type, see table 7.4 and figure 7.5/figure 7.6.
HOST / BUS IN
TXD/TX-
GND_H 3
RXD/RX-
RTS/TX+
M12 plug
(B-coded)
Table 7.4:
Leuze electronic
Switching output connection diagram SWIO_1 / SWIO_2
500i
with more than 60mA at +10 ... +30VDC in normal operation!
i
makes either the RS 232 or RS 422 interface available as host interface. This
HOST / BUS IN RS 232 / RS 422 (5-pin connector, B-coded)
2
CTS/RX+
1
5
4
Thread
Pin assignment HOST / BUS IN BCL 500
BCL 500
i
Pin
Name
1
CTS / RX+ CTS signal (RS 232) / RX+ (RS 422)
2
TxD / Tx- TXD signal (RS 232) / TX- (RS 422)
3
GND_H
4
RTS/Tx+ RTS signal (RS 232) / TX+ (RS 422)
5
RxD / Rx- RxD signal (RS 232) / Rx- (RS 422)
FE
i
i
\ BCL 501
Electrical connection
Switching output
from controller
Switching input
to controller (de-
activated)
Remark
Reference potential 0 V for RS 232 /
RS 422
Functional earth (housing)
i
77
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