User Manual

46Communication Interface
IND100084-6
Installation in unit
Connectorization
The remote control interface communicates with external equipment via the appropriate connector(s). Some units
may need a custom cable to operate properly. Please review the “Physical Connections” and the “Pin Out
Assignments” chapter of the units user manual to determine the correct connectorization and installation of cables
and connectors before proceeding into this chapter on the following pages.
For systems with more than one unit, the units are connected together through the unoccupied D-SUB (if available).
It is regardless which one is used, but normally COM-1 is connected to another unit, and COM-2 is connected to the
external PC.
Address
A unit’s address is set by a 5-bit dipswitch (red) on the backside of the unit (own page in this manual describes its
location). Only bits 1-4 are currently in use. The position of bit 5 has no effect.Address is adjusted according to the
following table:
Address Bit 1 Bit 2 Bit 3 Bit 4
0 Off Off Off Off
1 On Off Off Off
2 Off On Off Off
3 On On Off Off
4 Off Off On Off
5 On Off On Off
6 Off On On Off
7 On On On Off
8 Off Off Off On
9 On Off Off On
10 Off On Off On
11 On On Off On
12 Off Off On On
13 On Off On On
14 Off On On On
15 On On On On
Selecting communication mode:
Communication mode (U5)
Duplex (U8)
RS-232
RS232 -
RS-485 Full duplex
RS422/485 Full (on)
Half duplex
Half (off)
These settings are normally carried out by manufacturer before delivery.
Serial Communication (SCOM) Interface