User Manual

Operating the Drive Using a LonMark Profile 7-3
7.1 Input Network Variables (NVIs)
Section 7.1 describes the input network variables (NVIs).
Node Object Request
Definition: network input SNVT_obj_request nviObjRequest;
Explanation: Enables control commands and updates from the network. The
status of the node is reported in nvoObjStatus (see section 7.2).
Range:
• RQ_NORMAL is the normal request mode when node is in
normal run mode.
• RQ_DISABLED will stop the motor.
• RQ_ENABLE enables start of motor again after an
RQ_DISABLED request; otherwise, the same as
RQ_NORMAL.
• RQ_UPDATE_STATUS updates nvoObjStatus.
• RQ_CLEAR_STATUS clears nvoObjStatus.
• RQ_CLEAR_ALARM resets a fault in the drive, sets
drvSpeedStpt.value = 0 and drvSpeedStpt.state = 0. Uses
Drop1, Register 32, bit 2 (Fault Reset). This is the only way to
reset a Receive Heartbeat Timeout fault.
• RQ_REPORT_MASK reports supported bits in nvoObjStatus.
• RQ_PROGRAM controls the Tune/Config enable bit in Drive
Control Word.
If RQ_SELF_TEST,
RQ_OVERRIDE,
RQ_RMV_OVERRIDE,
RQ_ALARM_NOTIFY_ENABLED,
RQ_ALARM_NOTIFY_DISABLED,
RQ_MANUAL_CTRL,
RQ_REMOTE_CTRL,
RQ_RESET,
RQ_CLEAR_RESET,
OR RQ_NUL is requested, the invalid_request will be set in
nvoObjStatus.