Service manual

Section IV: On-line Processor
Maintenance 4-5
4.2.4 Setting the Jumpers
* Factory installed positions.
S100 Open Reset
S104 8* < 8 K RAM
32 => 32 K RAM
S103 96 Current loop baud rate =
9600
12* Current loop baud rate =
1200
S101 F Degrees Fahrenheit (F ° )
C* Degrees Celsius (C ° )
S102 H1• Not used
L0
S105 Closed Write protection of initial
processor data in
EEPROM
S400/
S401
Open/Open
Sink/Source (current loop
transmitter passive or
active)
S402/
S403
Open/Open
Sink/Source (current loop
receiver passive or active
S1 Open* Triac Q5 controlled from X1 pin 7
Closed Triac Q5 and Q6 controlled from X1 pin 7 or X1
pin 12
S2 Open* Triac Q4 controlled from X7 pin 2
Closed Triac Q4 and Q5 controlled from X1 pin 7
S3 Open Disconnect common of coils from +12V
Closed* Connect common of coils to +12V
S4 Open* Disconnect common of coils from 0V
Closed Connect common of coils to 0V
J1/J2 A Load connected to terminal 6 powered from-
phase line F2
B Load connected to terminal 8 powered from
phase line F3 through K10