Display Of Battery Alarm - Panasonic MINAS A6 Series Operating Instructions Manual

7
Supplement
Following alarm will be displayed when making the front panel to alarm execution mode
of monitor mode.
• Press to scroll alarm conditions.
• Kinds of alarm
alarm
Alarm
No.
A0 Overload protection
A1 Over-regeneration alarm
A2 Battery alarm
A3 Fan alarm
A4 Encoder communication alarm
A5 Encoder overheat alarm
A6 Oscillation detection alarm
A7 Lifetime detection alarm
A8 External scale error alarm
External scale communication
A9
alarm
AC Deterioration diagnosis warning
C3 Main power off warning
*1 Alarms can be cleared by using the alarm clear. Because the all existing alarms are kept cleared while the
alarm clear input (A-CLR) is kept ON, be sure to turn it OFF during normal operation. Either 1 s-10 s or∞ can be
selected by using user parameter.
Exception: Battery alarm is fixed at ∞ because it is latched by the encoder.
Because the end of life alarm means that the life expectancy cannot be extended, the alarm is set at ∞.
How to Clear the Battery Alarm
Replace the battery for absolute encoder when battery alarm occurs according to P.7-12,
"How to Replace the Battery". After replacement, clear the battery alarm in the following
3 methods.
(a) "Connector X4" Connecting Alarm clear input (A-CLR) to COM– for more than 120 ms.
(b) Executing the alarm clear function in auxiliary function mode by using the front panel.
(c) Click the "Battery warning" Clear button, after select the "Absolute encoder" tab in the
monitor display window by using the PANATERM (option).
Re ated page
• P.2-98"Alarm Clear Screen" • P.3-33 "Inputs and outputs on connector X4"
• P.7-26 "Outline of Setup Support Software, "PANATERM""
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2. Absolute system

Display of Battery Alarm

....... No alarm condition
...... Highest priority alarm
Alarm number
Load factor is 85 % or more the protection level.
Regenerative load factor is 85% or more the protection level.
Battery voltage is 3.2 V or lower.
Fan has stopped for 1 sec.
The number of successive encoder communication errors
exceeds the specified value.
The encoder detects overheat alarm.
Oscillation or vibration is detected.
The life expectancy of capacity or fan becomes shorter than the
specified time.
The external scale detects the alarm.
The number of successive external scale communication errors
exceeds the specified value.
Load characteristic estimates and torque command under
constant speed has exceeded the set range.
In case that Pr7.14 (Detection time of main power off warning)
is 10 to 1999, the mains power between L1 and L3 has stopped
instantaneously for more than the time prescribed in Pr7.14.
Content
1
2
3
Latched
time
*1
1 s to 10 s or ∞
10 s or ∞
Fixed at ∞
4
1 s to 10 s or ∞
1 s to 10 s or ∞
1 s to 10 s or ∞
1 s to 10 s or ∞
Fixed at ∞
1 s to 10 s or ∞
1 s to 10 s or ∞
5
1 s to 10 s or ∞
1 s to 10 s or ∞
6
7
7-25