– 3 –
EO1-11113
3. HARDWARE DESCRIPTION

3.1. COMMUNICATION SEQUENCE

RS-485 Line

3.2. HARDWARE COMPOSITION

A Master-Satellite System is realized by adding the IFU boards to each standalone ECR.

3.3. OPERATOR DISPLAY INDICATIONS OF MASTER-SATELLITE

SYSTEM

Display Indications during In-Line Services
The followings are displayed in the 16-digit dot windows, 10-digit 7-segment window and IN-LINE
Lamp of the Operator Display panel during in-line services.
<Master Terminal>
• IN-LINE Lamp
1) Illuminated during RTR declaration “ON”
2) Extinguished during RTR declaration “OFF”
3) Blinking during ULL operations
• Mode Indication
51234PXZ
RTR/SET Mode :
RTR/X Mode :
RTR/Z Mode :
Blink
Illuminated
In-line Job No.
ECR No. now serviced at the time of collecting read/
reset data.
Number of ECRs unserviced
Mode Indication

P1

05

TL
ZUR
ZWS
BED EIN
IN-LINE
BEL
BON AUS
ALM
IN-LINE
SLIP
SIGN ON
ALM
R OFF
TL
ST
CG