8.4 Serial communication
connection
8 Connections
Technical description
152
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VM55.EN005
8.4.1.
Pin assignments of communication options
The communication module types and their pin assignments
are introduced in the following table.
Type
Order code, Name
Communication
ports
Signal
levels
Connectors
Pin usage
VCM 232
VCM 232+ET
VCM 232+I6
CA
RS-232 interface
HA
Ethernet interface
KA
IEC 61850
interface
REMOTE
RS-232
D-connector
2 = TX_REM
3 = RX_REM
5 = TX_EXT
6 = RX_EXT
7 = GND
9 = +12V
EXTENSION
RS-232
ETHERNET
Ethernet
10Mbps
RJ-45
1=T
2=Transmit-
3=
4=Reserved
5=Reserved
6=Receive-
7=Reserved
8=Reserved
VCM 232+00
VCM 232+IR
VCM 232+FI
VCM 232+ET2
VCM 232+I62
VCM 232+LC
VCM 232+L6
LA
RS-232 interface
REMOTE
RS-232
D-connector
2 = TX_REM
3 = RX_REM
7 = GND
9 = +12V
LB
RS-232 interface
with
timesyncronisation
input
CLOCK SYNC
(IRIG-B )
TTL
2-pole screw
connector
1= Data
2= GND
LC
RS-232 interface
with RTD fiber
optic interface
EXTENSION
RTD protocol
must be selected
for the port
Light
Snap-in
connector
LD
RS-232 interface
with Ethernet
interface
LE
RS-232 interface
with IEC 61850
interface
ETHERNET
Ethernet
10Mbps
RJ-45
1=T
2=Transmit-
3=
4=Reserved
5=Reserved
6=Receive-
7=Reserved
8=Reserved
LF
RS-232 interface
with Ethernet fibre
interface
LG
RS-232 interface
with IEC 61850
Ethernet fibre
interface
ETHERNET
Light
100Mbps
LC-
connector
TX=Lower LC-
connector
RX=Upper LC-
connector