Connecting The Lon; Registration In A Lon Network; Leds - Grundfos CIM 1 LON Serie Instrucciones De Instalación Y Funcionamiento

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3.1 Connecting the LON

Grundfos recommends to use a cable according to
Echelon standards.
Examples of recommended cable types
Belden 85102
Belden 8471
Level IV, 22 AWG
JY(St) Y 2 x 2 x 0.8
TIA Category 5.
A LON network must be terminated. The termination
depends on the network topology chosen.
Fitting the cable
Procedure:
See fig. 2.
1. Connect the conductors to terminal A (pos. 1).
2. Connect the conductors to terminal B (pos. 2).
3. Connect the twisted screen ends to terminal
"Screen" (pos. 3).
The screen must only be connected to
the screen terminal of the CIM 1XX LON
module. See fig. 2, pos. 3.
Note
The cable screen must never be
connected to earth via the earth clamp.
See fig. 2, pos. 4.
The stripped part of the cable screen
Note
must be as short as possible to reduce
the impedance at high frequencies.
3
2
1
4
Fig. 2
Connecting the LON
Pos.
Description
1
LON terminal A
2
LON terminal B
3
LON terminal for cable screen
4
Earth clamp

3.2 Registration in a LON network

Grundfos products with a CIM 1XX LON module are
registered by a LON network in one of these ways:
Service pin
Bar code label.
Service pin
When the service pin push-button of the module
is activated, the module will send a unique 48 bit
ID code (Neuron ID) which is registered in the
LON network.
Fig. 3
Service pin
Bar code label
The Neuron ID on the module or on the enclosed bar
code label is scanned and registered in the LON
network. The bar code of the Neuron ID is in Code
128 format. The additional bar code label can be
attached to the building installation plan.

4. LEDs

The CIM 1XX LON module has two LEDs. See fig. 1.
Yellow service LED (LED1)
Red/green status LED (LED2) for internal
communication between the CIM 1XX and
the Grundfos product.
LED1
The yellow LED on the CIM 1XX functions as a
service LED. When the Grundfos product is
connected to the power supply, the service LED will
flash once and then remain off if the installation has
been made correctly. In case of deviations, see
section 5. Fault finding.
LED2
Status
Description
The CIM 1XX has been switched
Off
off.
No internal communication
Flashing red
between the CIM 1XX and
the Grundfos product.
Permanently
The CIM 1XX does not support
red
the Grundfos product connected.
Internal communication between
Permanently
the CIM 1XX and the Grundfos
green
product is OK.
1
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