Caleffi solar iSolar WMZ Manual - Page 13

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Examples of connection

7.1 iSolar WMZ module in individual

operation mode

7.2 iSolar WMZ with controller

7.3 Cascade without controller

7.4 Cascade with controller

iSolar WMZ 0

• iSolar WMZ:

master board

subaddress: "0"

bus mode: "active"

• controller:

• iSolar WMZ:

slave board

subaddress: "0"

bus mode: "passive"

• iSolar WMZ 0:

master board

subaddress "0"

bus mode: "Cascaded"

bus master: "Yes"

• iSolar WMZ 1 ... 15: slave board

subaddress: 1 ... 15*

bus mode: "Cascaded"

The connection sequence at the VBus

• controller:

No adjustments have to be made

iSolar

(

registered!)

• iSolar WMZ 0:

slave board

subaddress: "0"

bus mode: "cascaded"

bus master: "No"

• iSolar WMZ 1 ... 15: Slave board

subaddress: 1 ... 15*

bus mode: "Cascaded"

The connection sequence at the VBus

* The maximum number of cascaded iSolar WMZ modules

is 16. Whether this number can be reached depends on the

construction.

Disturbing factors can be the following: distances, voltage-

carrying lines etc.

is arbitrary.

WMZ-module must not be

is arbitrary.

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