EXCEL 500/600 - INSTALLATION INSTRUCTIONS
EN1R-1047GE51 R0913 20
Fig. 45. Excel 600 EPROM locations
Communication between several Excel 600 controllers is
possible only if the system bus submodule is plugged into
every CPU module printed circuit board. This submodule
must be installed when joining several controllers or when
monitoring via a central. XD505A or XD508 can be used for
local bus communication. A stand-alone controller can be
operated without a submodule.
Fig. 46. Excel 600 submodule mounting location
For information pertaining to system bus baud rates and
termination switch settings, see section "C-Bus Termination
(XC6010)" on page 33.
XC5010C CPU Module
CAUTION
Do not unplug the CPU module with the power still
connected, since this could destroy the module. First,
switch S1 on the power supply module to the 0
position.
The XC5010C CPU module contains both the system bus
and the field bus. Fig. 47 shows the pin-out of the module.
Fig. 47. Excel 500 CPU module pin-out
The system bus is connected to terminal 16 (C+) and terminal
17 (C-). The field bus (L
ONWORKS bus) is connected to
terminals 12 and 13. The L
ONWORKS bus is non-polarized, i.e.
there is no + or – pin. See section "L
ONWORKS Bus Wiring"
(page 31) and "System Bus (C-Bus)" (page 32) for more
information.
NOTE: The cable for the LONWORKS bus does not require
shielding.
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 37 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 (XC5010C)" on page 33.
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