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EXCEL 500/600 INSTALLATION INSTRUCTIONS
NOTE: Shielded cable is not necessary for the LONWORKS
bus.
The serial port connections at the back of the module can be
used to connect an XI582 MMI or, for CPUs with firmware
version V2.1.0 or newer, a modem or ISDN terminal adapter.
See section "Remote Communications" on page 43 for more
information.
Each XC5010C contains an application submodule that is
different from the XD505A/XD508 submodule. The sub-
module for the XC5010C contains the C-Bus, L
ONWORKS bus,
as well as part of the RAM and flash EPROMs. For infor-
mation on C-Bus baud rates and the bus termination switch,
see section "C-Bus Termination (Excel 500)" on page 38.
Fig. 52. Excel 500 CPU module front panel
The operator interface on the front of the computer modules
allow the Xl581AH/XI582AH Operator Interface or the Xl584
Operator and Service Computer to be connected. As an
option, the XI582AH can be connected at the rear of the com-
puter module XC5010C. When connecting to the back of the
module, the switch on the front panel of the XC5010C must
be set to "Rear".
XP502 Power Supply Module
Fig. 53 shows the pin-out of the XP502 Power Supply
module.
Fig. 53. XP502 Power supply module and watchdog
circuit
To monitor the line power supply, the watchdog alarm must
be provided with its own power or battery supply.
Controller in operation:
Watchdog relay terminals 17 and 18 connected.
Controller non-operational:
Watchdog relay terminals 16 and 17 connected.
XP502 with External UPS XAPU 24-2F (Internal
Modules, Only)
The Uninterruptable Power Supply XAPU 24-2F contains a
relay contact and 24 Vac, which can be used for external con-
trols, or for the connection from XP502 terminal A7, A8. In
case of failure, the relay contacts C and NO are closed and
the 24 Vac supply is interrupted.
25 EN1R-1047GE51 R0902