DISTRIBUTED I/O
EN0B-0090 24
Commissioning Distributed I/O Modules
Previous to V2.04.x controller firmware, Distributed I/O
modules were used only on a local L
ONWORKS bus con-
nected to a single Excel 500 controller. Concurrent with the
release of V2.04.x firmware is the release of the XFL52xB
Distributed I/O modules with updated firmware and with a
new Neuron chip which make them fully L
ONMARK compliant.
This means that multiple Excel 500 controllers, each with its
own Distributed I/O modules, as well as third-party L
ONMARK
compliant devices, can coexist and interoperate on the same
L
ONWORKS bus. Furthermore, the XFL52xB modules can be
used as third-party devices with other L
ONMARK compliant
products, independently of an Excel 500 controller.
IMPORTANT:
Full L
ONMARK functionality requires an Excel 500
controller with V2.04.x firmware, a 3120E5 Neuron
chip, and Distributed I/O modules XFL52xB.
An Excel 500 controller with V2.4.x firmware and
3120E5 Neuron chip will commission earlier ver-
sions of Distributed I/O modules (XFL52x,
XFL52xA), but only in the local mode (max 16
modules per CPU and no other controllers on the
L
ONWORKS bus).
Distributed I/O modules XFL52xB can be used with
older versions of Excel 500 that support Distributed
I/O, but only if the modules are switched into a
different mode. This is accomplished by pressing the
service pin while simultaneously turning the HEX
address switch. This mode can be cancelled by
pressing the service pin for more than three
seconds.
Table 13. Controller compatibility.
Operating mode
2
of
Distributed I/O modules
Controller type CPU / Application modules Controller
firmware
Open LONWORKS
functionality?
XFL52x XFL52xB
Excel 500 XC5010C / XCL5010 V2.0.x to V2.3.x not possible local local
Excel 500 XC5010C / XCL5010 V2.4.x not possible local local/shared
Excel 500 XC5010C
1
/ XCL5010
1
/ XC5210C
1
V2.0.x to V2.3.x not possible local local
Excel 500 XC5010C
1
/ XCL5010
1
/ XC5210C
1
V2.4.x in use --- shared/open
Excel 500 XC5010C
1
/ XCL5010
1
/ XC5210C
1
V2.4.x not in use local local/shared
1
When bearing the LONMARK™ logo on the module/CPU.
2
The term "local" refers to an operating mode in which a maximum of 16 modules are assigned (automatically) to each con-
troller and only a single controller is connected to each L
ONWORKS bus.
The term "shared" means that a maximum of 16 modules are assigned (manually) to each controller, but that multiple con-
trollers can be connected to a single L
ONWORKS bus.
The term "open" refers to an open L
ONWORKS system, i.e. the use of CARE to generate a LONMARK compliant network
interface file (XIF) capable of providing NVs which can be bound to other devices (Excel 50 or Excel 10 controllers, third-
party devices); further, the limitation of max. 16 modules per controller can also be exceeded.
Table 14. Distributed I/O module compatibility.
L
ONWORKS Functionality, by Controller Firmware VersionDistributed I/O modules
V2.0.x to V2.3.x V2.4.x
XFL521
XFL522A
XFL523
XFL524A
One controller to which Distributed I/O modules
are assigned on a single L
ONWORKS bus
One controller to which Distributed I/O modules
are assigned on a single LONWORKS bus
XFL521B
XFL522B
XFL523B
XFL524B
One controller to which Distributed I/O modules
are assigned on a single L
ONWORKS bus (press
the L
ONWORKS service pin while turning HEX
switch to enable this backwards-compatible
mode)
1
Full LONWORKS functionality: Multiple
Distributed I/O modules and multiple controllers
possible on a single L
ONWORKS bus
2
1
To cancel the backwards-compatible mode for Distributed I/O modules (allowing full LONWORKS functionality), press and hold
down the L
ONWORKS service pin for at least 3 seconds.
2
Excel 500 controller with Neuron 3120E5 chip required!
NOTE: Compatibility of XFR522A and XFR524A Manual Override modules is affected by neither firmware nor Neuron chip
version.
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