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2 supported input network variables, Supported input network variables, Lonworks network variables – Lenze MCH Series Drives User Manual

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LonWorks Network Variables

4.2 Supported Input Network Variables

NviObjRequest

Definition

Network input SNVT_obj_request nviObjRequest;

Explanation

This input is used to enable control commands and updates from the network. The
status of the node is reported in nvoObjStatus.

Valid range:

Object Request

Function

RQ_UPDATE_STATUS Updates nvoObjStatus
RQ_CLEAR_STATUS

Clears nvoObjStatus

RQ_CLEAR_ALARM

Resets a drive fault

RQ_REPORT_MASK

Reports supported requests in nvoObjStatus

RQ_NORMAL

The normal request. Sets object to default state

RQ_DISABLE

Stops the drive with the selected stop mode and disables
the operation and object

RQ_ENABLE

Enables the drive for operation and enables the object

Commands not listed above will be reported as invalid_request in nvoObjStatus.

NviDrvSpeedStpt

Definition

Network input SNVT_switch nviDrvSpeedStpt.

Explanation

This input network variable provides a low-resolution speed setpoint. It may also
use the receive heartbeat function. The speed setpoint is the result of multiplication
of nviDrvSpeedStpt and nviDrvSpeedScl.

Valid Range:

State

Valid Range

0

Stop the drive

1

Start the drive

-1 (0xff)

Auto (Invalid)

Value (% Nominal)

Internal Value

-100.0% to -0.5%

-200 to -1

0.0%

0

0.5% to 100.0%

1 to 200

Default value The default value is AUTO (state = 0xFF). This value will be adopted at power-up.

This network variable input may use the Receive Heartbeat function if the Receive
Heartbeat function is setup for use. The actual value of drive speed also depends
on the setting of nviDrvSpdScl.