Alarm descriptions, Table 18 – Rockwell Automation Liqui-Flo V2.0 AC Drive User Manual

Page 199

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Rockwell Automation Publication D2-3518-3 - May 2013

199

Chapter 10

Table 18 - Types of Alarms

The drive indicates alarm conditions in the following ways:

• Status LEDs

(see

Determining Drive Status Using the Status LEDs on

page 196

).

• Alarm name and bell graphic

on the OIM (see

Appendix B

). The alarm

is displayed as long as the condition exists. The drive automatically clears
the alarm when the condition causing it is removed. The OIM only
displays alarm names for type 2 alarms, not for type 1 alarms. The bell
graphic appears for both type 1 and type 2 alarms.

• Alarm status parameters

. Two 16-bit inverter parameters, Drive Alarm 1

(211) and Drive Alarm 2 (212), indicate the status of type 1 and type 2
alarms, respectively. See

Chapter 9

for the parameter descriptions.

• Alarm queue

. Alarms are placed into an alarm queue on the inverter as

they occur. The alarms in the queue do not have timestamps, and there is
no indication of when each alarm becomes inactive. The queue is visible
using the OIM and using VS Utilities. The alarm queue is separate from
the inverter fault queue.

Alarm Descriptions

Type

Alarm Description

1

User-configurable

These alarms alert the operator of conditions that, if left untreated, may
lead to a fault condition. The drive continues to operate during the alarm
condition.
The alarms are enabled or disabled using inverter Alarm Config 1 (259).
The status of these alarms is shown in inverter Drive Alarm 1 (211).

2

Non-configurable

These alarms alert the operator of conditions caused by improper
programming and prevent the drive from starting until the problem is
resolved.
These alarms are always enabled.
The status of these alarms is shown in inverter Drive Alarm 2 (212).

Alarm

Ty

pe Description

Analog In Loss

1 A user-configurable analog input is configured for alarm on signal loss and signal loss has occurred.

Bipolar
Conflict

2 Parameter inverter 190 (Direction Mode) is set to Bipolar or Reverse Dis and one of more of the following digital

input functions is configured: Fwd/Rev, Run Fwd, Run Rev, Jog Fwd, or Jog Rev.

Dig In
ConflictA

2 User-configurable digital input functions are in conflict. Combinations marked with a

will cause an alarm.

Acc2 / Dec2 Accel 2

Decel 2

Jog

Jog Fwd

Jog Rev

Fwd / Rev

Acc2 / Dec2
Accel 2
Decel 2
Jog
Jog Fwd
Jog Rev
Fwd / Rev

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