29
E LEC TRON I C COM PAC T STA RTE R
| M A N UA L
—
4.4
Signaling
The electronic compact starter provides visual confirmation of the operating status with four LEDs. The functions of the
LEDs follow NAMUR NE 44 recommendations.
LED
Meaning
PWR
Green
General device status
Indicates a message
ERR
Red
Internal or external error
Iadj / L
Yellow
Device is active
ON / R
Yellow
Device is active
After the control supply voltage U
s
is applied, all LEDs light up once for 0.5 sec., as an LED test.
Signaling for DOL-types
The following table shows the LED codes for
• HF0.6-DOL-24VDC
• HF2.4-DOL-24VDC
• HF9-DOL-24VDC
Operation Status
The electronic compact starter uses the LEDs to indicate the status messages for operation, fault and test:
Status
Description
PWR
ERR
I
adj.
ON
Error acknow-
ledgment
LED colors on HMI (human machine interface)
Green
Red
Yellow
OFF
Supply voltage not present
OFF
OFF
OFF
OFF
-
Ready to operate
Supply voltage present
ON
OFF
OFF
OFF
-
Drive switched on
Forward running motor
ON
OFF
OFF
ON
Internal error
Internal device error –
device replacement required
ON
ON
OFF
OFF
Not possible
External error in the
controller or I/O
devices (maintenance
requirement)
Motor protection function:
The motor current is higher than
the nominal motor current specification (e.g. Class 10A):
Cooling time is running (20 min.)
ON
Flashes
OFF
ON
Automatic
1)
After two min., 'ON' flashes: a manual reset is possible
ON
Flashes
OFF
Flashes
Manual
Error restoring the system state:
Checksum error. The
thermal memory of the motor protection function is set to
the maximum value. The error must be manually
acknowledged.
ON
Flashes
Flashes
Flashes
Manual
Symmetry:
The two motor currents deviate from each other
by more than 33%.
ON
Flashes
OFF
OFF
Manual
Blocking:
The max. measurable motor current is exceeded
for more than two sec..
ON
Flashes
OFF
Flashes
Manual
Message (power path
remains switched on)
Message with pending control signal:
- Two or more phases are missing
- No motor connected
- Motor current in at least two phases > two sec. minimum
current value that can be set
Flashes
Flashes
OFF
ON
Automatic
2)
Table 10 Signaling DOL-types
1) Bridge between the terminals 'RES' and 'AUT';
2) No other measures necessary