Table of Contents
Advertisement
Pin Assignments of Communication Options
The communication module types and their pin assignments are
introduced in the following table.
Table 9.1 – 18 mm-high Modules
Communication
Type
ports
REMOTE, LOCAL
and EXTENSION
REMOTE or
LOCAL selectable
with dip switch
NOTE:
When used in Communication option 1-slot, the setting must be REMOTE.
When used in Communication option 2-slot, the setting must be LOCAL.
REMOTE, LOCAL
or EXTENSION
port selectable with
a dip switch
Table 9.2 – 32 mm-high Modules
Communication
Type
ports
REMOTE
LOCAL
EXTENSION
REMOTE, LOCAL
or EXTENSION
port selectable with
a dip switch
REMOTE or
LOCAL selectable
with a dip switch.
Connections
Signal levels
Connector
RS-232
RJ-45 connector
8
1
Ethernet
RJ-45 connector
RS-485
3-pole screw
connector
(2-wire
connection)
Signal levels
Connector
REMOTE: TTL
D- connector
or RS-232
selectable with
a dip switch
LOCAL:
RS-232
EXTENSION:
RS-232
RS-485 (2- or
5- pole screw
4-wire
connector
connection)
Light, switch
Snap-in connector
for echo/ no-
echo and light/
no-light
selection
857-UM001A-EN-P – July 2009
9-7
Pin usage
1= LOC TX
2= EXT TX
3= +8V
4= GND
5= REM TX
6= REM RX
7= LOC RX
RJ-45
8= EXT RX
Standard
Ethernet pin
usage
1= –
2= +
3= GND
Pin usage
1= EXT TX
2= REM TX
3= REM RX
4= SYNC IN
5= LOC TX
6= LOC RX
7= GND
8= EXT RX
9= +8V
1= GND
2= R-
3= R+
4= T-
5= T+
Advertisement
Table of Contents
