Function; Visualization - Leds Status; Diagnostics Function - Phoenix Contact ELR H3-IES-SC-24DC/500AC-0,6 Manual Del Usaurio

4. Function

4.1. Visualization - LEDs status

The hybrid motor starter visualizes the operating modes with four LEDs. The functions of the LEDs are
oriented towards the NAMUR recommendation NE 44.
• The general device status is displayed by a green LED (PWR).
• The activation of the drive is displayed using a yellow LED (ON).
• An internal or external error (process error: overcurrent, asymmetry, phase failure) is indicated by a red
LED (ERR).
After the control supply voltage is applied, all LEDs light up once as an LED test.

4.2. Diagnostics function

Thanks to the diagnostics functions, the hybrid motor starter is in a condition to identify several internal
errors as well as external errors (errors in the I/O).
• If an error is detected, the device is switched to a safe switch-off mode.
• All internal errors cannot be acknowledged and are saved in the device. The device then cannot be
operated.
• In the case of external errors, an error acknowledgment is required to exit the safe switch-off mode.
Explanation:
A = LED switched off / E = LED permanently lit / B = LED flashes approx. 2 Hz (50:50)
Status Description
Off No supply voltage (control supply voltage)
present
Readiness Supply voltage (control supply voltage) present
for operation
Drive switched on
Internal error Internal device error -
Device replacement required
External error Bimetal function:
in activation or I/O The motor current is greater than the nominal
(maintenance motor current specification (e.g. class 10 A):
requirement, Cooling time on! (20 minutes)
NE44)
"ON" flashes after 2 minutes:
A manual reset is possible.
Error when restoring the system state:
Checksum erroneous.
The thermal memory of the bimetal function is set
to the max. value.
The error must be manually acknowledged in
automatic mode.
Symmetry: The two motor currents deviate from
each other by more than 33 %.
Phase failure: Phase failure with pending control
signal
Blocking: The max. measurable motor current is
exceeded for more than 2 s.
1)
Bridge between the terminals "RES" and "AUT" /
16
LED: PWR ERR ladj ON Error acknow-
Green Red Yellow
A
E
E
E
E
E
E
E
B
E
2)
No other measures necessary
ledgement
A A A -
A A A -
A A E
E A A Not possible
B A E Automatic
B A B Manual
B B B Manual
B A A Manual
B A E Automatic
B A B Manual
1)
2)