ABB REO 517 Applications Manual page 429

Multi-function terminals for railway application
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Input/Output modules
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
)LJXUH %ORFN GLDJUDP RI WKH ELQDU\ LQSXW PRGXOH
%LQDU\ RXWSXW PRGXOH %20
The Binary output module has 24 single-output relays or 12 command-output relays.
They are grouped together as can be seen in figure 226 and 227. All the output relays
have contacts with a high switching capacity (trip and signal relays).
+DUGZDUH PRGXOHV
Micro-
controller
Memory
99000503.vsd
&KDSWHU 
419

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