Comtech EF Data RAP-100 Dokumentacja Strona 14

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Rev. 1 2–1
2
Chapter 2.
REDUNDANT CSAT CONTROL
The RAP-100 (Remote Access Panel) is designed to provide a simple ‘Indoor’ interface
to Comtech EFData’s ‘Outdoor’ CSAT terminals. RAP-100’s with software version 1.03
(or later) installed also support direct communications with 2 CSATs and the
Redundancy Controller Box in a redundancy configuration.
The figure below provides a functional block diagram of a 1:1 Redundant CSAT system
with a RAP-100 used as the system monitor and control device.
RS485Tx+
RS485Tx-
RS485 Rx+
RS485 Rx-
RS485Tx+
RS485Tx-
RS485 Rx+
RS485 Rx-
RS485Tx+
RS485Tx-
RS485 Rx+
RS485 Rx-
Micro
Controller
A AUXCOM Td
A AUXCOM Rd
B AUXCOM Td
B AUXCOM Rd
RS232 line
Drives and
Recievers
&
Multiplexer
Td
Rd
a
b
c
A FAULT N.O.
REDUNDANCY A*
POSITION A*
REDUND_FLT*
B FAULT N.O.
REDUNDANCY B*
POSITION B*
REDUND_FLT*
B SELECT*
CSAT A
+24 VDC
CSAT B
+24 VDC
Rx
TRANSFER
SWITCH
Tx
TRANSFER
SWITCH
POSA CMD
POSB CMD
POSA IND
POSB IND
POSA CMD
POS B CMD
POS A IND
POSB IND
Signal
Conditioning
RAP-100
Remote
Access
Panel
Redunancy Controller Box
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