Wilo Para MAXO Einbau- Und Betriebsanleitung Seite 75

Description and function
The detailed behaviour of the SSM function is described in the section "Faults, causes
and remedies".
LIN Extended
The pump has an LIN bus interface as specified in VDMA 24226, with the addition of
Wilo exclusive features. It allows a bidirectional communication between the pump
and the controller.
The pump can be controlled by LIN with the following setpoints:
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The pump provides the following information:
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Behaviour when a cable breaks: If the signal cable is disconnected from the pump, e.g.
due to a cable break, the pump activates an alternative fallback mode, which can be
configured via LIN.
To find out more about the LIN Extended Bus interface, please contact the Wilo tech-
nical support.
Modbus
The pump has a Modbus RTU interface. It corresponds to the MODBUS APPLICA-
TION PROTOCOL SPECIFICATION V1.1 and MODBUS SERIAL LINE PROTOCOL V 1.02 in
RTU transmission mode, available at www.modbus.org.
The pump can be controlled by the Modbus interface with the following setpoints:
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Installation and operating instructions Wilo-Para MAXO/-G/-R/-Z
Speed constant
Δp-v
Δp-c
Volume flow (Q)
Delivery head (H)
Power consumption (P)
Current speed (n)
Energy consumption (E)
Current operating mode
Pump status
Error information (see section "Faults, causes and remedies")
Speed constant
Δp-v
Δp-c
en
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