Manual

51
Serial Communication (SCOM) Interface
Communication Interface
IND100084-8
Comm settings
The communication options are set by dip switches and jumpers, placed at the backside of the unit. These switches/
jumpers are protected behind a hatch mounted with four screws. Unscrew those, and remove the hatch. The commu-
nication settings and its switches are illustrated below.
Factory Default Settings
The factory defaults are based on the conguration when ordered. To congure the unit back to its factory defaults,
please contact your provider.
Reference Part number Description Type Additional information
JP1
1-2 MENU BRT CONTROL
2-3 ALWAYS ON
MENU LED Brightness and ON/OFF Control Jumper
Removal of this jumper will
deactivate key backlight.
INV LED and Power LED will
still be active though.
JP2 1-3 SCOM-A1 SCOM-A1 BEEPER- TO CHGND Jumper
JP2 2-4 SCOM-A1 SCOM-A1 COM1-9 VIA 100R TO CHGND Jumper
JP3
OPEN COM1-1=NC
OPEN COM3-11=NC
COM1-1 and COM3-11 pin select Jumper COM2-1 = 5V (ALWAYS)
JP4 1-3 SCOM-A1 SCOM-A1 = COM1/2-4 OPEN OR VIA 100R TO CHGND Jumper
JP4 2-4 SCOM-A1 SCOM-A1 = COM1/2-6 OPEN OR VIA 100R TO CHGND Jumper
S3 COM1/2 RS-232 RS-232 supported ONLY Switch RS-232 SUPPORT ONLY!
S4 STRAIGHT TX/RX COM1/2 Straight or Crossed(Switched) TX/RX select Switch
S5 RS422 FULL DUPLEX COM1/2 FULL(RS422) or HALF(RS485) operation Switch NOT SUPPORTED!
PROG_SEL PROGRAM U5 Program Select for programming U5 via PBR header Jumper
PROG_SEL PROGRAM U12 Program Select for programming U12 via PBR header Jumper
Communication Protocol
Communication mode
Backlight Cong
Program Select
RS422 Full Duplex ON/OFF
SCOM Cong #1
Program
Input Connector
SCOM Cong #2
COM Cong
SCOM Cong #2
S3
S4
S5