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Terminal point
Name
L1
L3
N
L2
N
LEDs
LED
Color
Meaning
RUN
green
This LED indicates the terminal's operating state:
off
flashing
Single flash State of the EtherCAT State Machine: SAFEOP = verification of the Sync
on
IL1 OK
green
on
IL1 Error red
on
IL2 OK
green
on
IL2 Error red
on
IL3 OK
green
on
IL3 Error red
on
L1 OK
green
on
L1 Error
red
on
L2 OK
green
on
L2 error
red
on
L3 OK
green
on
L3 error
red
on
Error
red
on
Wiring and measurement methods
Examples of wiring for measurements in the three-phase grid
EL3783
Description
No.
1'
Phase L1 voltage measurement input
2'
n.c.
3'
Phase L3 voltage measurement input
4'
Neutral conductor
5'
n.c.
6'
Phase L2 voltage measurement input
7'
n.c.
8'
Neutral conductor
State of the EtherCAT State Machine [} 20]: INIT = initialization of the
terminal or BOOTSTRAP = function for firmware updates [} 170] of the
terminal
State of the EtherCAT State Machine: PREOP = function for mailbox
communication and different standard-settings set
Manager [} 91] channels and the distributed clocks.
Outputs remain in safe state
State of the EtherCAT State Machine: OP = normal operating state;
mailbox and process data communication is possible
Current IL1 ok
Overcurrent on L1.
Current > 1.8 A (with 1 A measuring range), equivalent to 1.3 Arms
Current > 9.2 A (with 5 A measuring range), equivalent to 6.5 Arms
Current IL2 ok
Overcurrent on L2.
Current > 1.8 A (with 1 A measuring range), equivalent to 1.3 Arms
Current > 9.2 A (with 5 A measuring range), equivalent to 6.5 Arms
Current IL3 ok
Overcurrent on L3.
Current > 1.8 A (with 1 A measuring range), equivalent to 1.3 Arms
Current > 9.2 A (with 5 A measuring range), equivalent to 6.5 Arms
Voltage on L1 OK
Overvoltage on L1. Voltage > 737 V (L1-N)
Voltage on L2 OK
Overvoltage on L2. Voltage > 737 V (L2-N)
Voltage on L3 OK
Overvoltage on L3. Voltage > 737 V (L3-N)
Other errors (logical OR conjuction)
Version: 1.1
Mounting and wiring
39
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