ABB AC500 V3 - Page 788

LED Color OFF ON Flashing
STA1 ETH
(System LED
"BF")
Green --- Device config-
ured, cyclic data
exchange run-
ning
Device config-
ured, acyclic data
exchange run-
ning
Red --- Communication
error (timeout)
appeared
IP address error
STA2 ETH
(System LED
"SF")
Green Device has valid
parameters
Device is running
parameterization
sequenze
Device has no
parameters
Red --- --- Device has
invalid parame-
ters
S-ERR Red No error Internal error --
I/O-Bus Green No expansion
modules con-
nected or com-
munication error
Expansion
modules con-
nected and
operational
---
ETH1 Green No connection at
Ethernet inter-
face
Connected to
Ethernet inter-
face
---
Yellow --- Device is trans-
mitting telegrams
Device is trans-
mitting telegrams
ETH2 Green No connection at
Ethernet inter-
face
Connected to
Ethernet inter-
face
---
Yellow --- Device is trans-
mitting telegrams
Device is trans-
mitting telegrams
Table 165: States of the 29 process LEDs
LED Color OFF ON Flashing
DC0 to DC7 Yellow Input/Output is
OFF
Input/Output is
ON
--
DI8 to DI15 Yellow Input is OFF Input is ON (the
input voltage is
even displayed if
the supply
voltage is OFF)
--
DO8 to DO15 Yellow Output is OFF Output is ON --
UP Green Process supply
voltage missing
Process supply
voltage OK and
initialization fin-
ished
--
UP3 Green Process supply
voltage missing
Process supply
voltage OK
--
CH-ERR1 to CH-
ERR3
Red No error or
process supply
voltage missing
Internal error Error on one
channel of the
corresponding
group
Device specifications
Communication interface modules (S500) > Modbus
2022/01/313ADR010278, 3, en_US788