Rockwell Automation Publication 450L-UM001D-EN-P - December 2019 93
Installation and Wiring Chapter 6
Cascading
The cascading plug-in can be inserted in a 450L-E safety light curtain transceiver
operating as a transmitter (Table 39 on page 93
) or as a receiver (Tab le 40 to
Table 44 on page 95
)
Table 39 - Pin Assignment of the Cascading Plug-in (Female M12 8-pin), Cat. No. 450L-APC-IO-8
Connected to a 450L-E, which Operates as a Tx
The 450L-APC-IO-8 cascading plug-in that is connected to a GuardShield
safety light curtain transceiver that is operating as a transmitter allows the
cascading of an additional GuardShield safety light curtain transceiver operating
as a transmitter (see Cascading on page 48
). However, in a cascaded system for
the transceiver working as a transmitter the 450L-APC-IO-8 cascading plug-ins
can but do not have to be used (Figure 26 on page 51
).
Table 40 - Pin Assignment of the Cascading Plug-in (Female M12 8-pin), Cat. No. 450L-APC-IO-8
Connected to a 450L-E, which Operates as an Rx (DIP Switch Connection Plug-in Default Setting)
For most DIP switch configurations, the 450L-APC-IO-8 cascading plug-in
allows the cascading of an additional light curtain. There is no DIP switch that
enables the cascading option. For some DIP switch settings that enable muting
functionality, the pins of the
450L-APC-IO-8 plug-in are used for the connection of muting sensors. In those
cases, the cascading feature is not enabled (see Ta ble 4 1
and Tab le 42).
Receiver Bottom Plug-in Face View of Male
M12 8-pin (DC Micro) View Pin Number Signal Receiver
1 No connection
2+24V DC
3 Functional earth FE
4 No connection
5 No connection
6 No connection
7 0V (GND)
8 No connection
Receiver Bottom Plug-in Face View of Male
M12 8-pin (DC Micro) View Pin Number Signal Receiver
1 No connection
2+24V DC
3 Functional earth FE
4 No connection
5 OSSD in 1
6 OSSD in 2
7 0V (GND)
8Not connected
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