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Application Overview 2-17

Drive Monitoring

This section describes the network variables used to monitor the drive. Refer to the appropriate Technical Manual for additional information.

# Operating Status

The following table summarizes the network variables available for monitoring the drive’s operating status.

Table 2.21 – Operating Status

Index Variable Name Variable Type Description

nv1 nviDrvSpeedStpt SNVT_switch Controls start/stop and a low resolution speed setpoint as a percentage of nciNmlFreq

nv2 nviDrvSpeedScale SNVT_lev_percent Controls scaling for nviDrvSpeedStpt Negative values indicate reverse motor direction

nv3 nvoDrvCurnt SNVT_amp Reports output current

nv4 nvoDrvSpeed SNVT_lev_percent Reports output speed as a percentage of nciNmlFreq

nv5 nvoDrvVolt SNVT_volt Reports AC output voltage

nv6 nvoDrvPwr SNVT_power_kilo Reports output power

nv7 nvoDrvRunHours SNVT_time_hour Reports accumulated run time

nv8 nviOpCommands SNVT_state

Controls the following operational commands:

! bit 0 - External Fault (EF0)

! bit 1 - Fault Reset

! bit 2 - Multifunction Input 1 (terminal S3)

! bit 3 - Multifunction Input 2 (terminal S4)

! bit 4 - Multifunction Input 3 (terminal S5)

! bit 5 - Multifunction Input 4 (terminal S6)

! bit 6 - Multifunction Input 5 (terminal S7)

! bit 7 - Reserved

nv9 nviReadParamNum SNVT_count

Requests a read of the specified drive parameter The response value is reported in

nvoReadParamVal

nv10 nviWriteParamNum SNVT_count

Requests a write of the specified drive parameter The write value is contained in

nviWriteParamVal

nv11 nviWriteParamVal SNVT_count Contains the value to be written to the drive parameter specified in nviWriteParamNum

nv12 nvoDrvStatus SNVT_state

Reports drive operational status:

! bit 0 - Drive Running

! bit 1 - Reverse Run Commanded

! bit 2 - Drive Ready

! bit 3 - Drive Faulted

! bit 4 – Parameter Access Error

! bit 5 – Multi-function Output 1

! bit 6 – Multi-function Output 2

! bit 7 – Reserved

! bit 8 - Terminal S1 State

! bit 9 - Terminal S2 State

! bit 10 - Terminal S3 State

! bit 11 - Terminal S4 State

! bit 12 - Terminal S5 State

! bit 13 - Terminal S6 State

! bit 14 - Terminal S7 State

! bit 15 - Reserved

nv13 nvoFltStatus SNVT_state

Reports drive fault status:

! bit 0 - Overcurrent Ground Short Circuit

! bit 1 - Overvoltage

! bit 2 - Drive Overload

! bit 3 - Overheat

! bit 4 – Reserved

! bit 5 – Fuse Blown

! bit 6 – PID Feedback Lost

! bit 7 - External Fault

! bit 8 - Hardware Fault

! bit 9 - Overload/Overtorque Fault

! bit 10 – Excessive Speed Deviation

! bit 11 - Undervoltage Fault

! bit 12 – Undervoltage/Power Loss Fault

! bit 13 – Input/Output Phase Loss

! bit 14 – Drive Communication Loss

! bit 15 – Operator Error

Brand	YASKAWA
Model	CIMR-E7 series
Category	DC Drives
Language	English

YASKAWA CIMR-E7 series User Manual

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