ABB DCS 500B

Functional Software description
84 DCS 500 Software Description
BC Lo gic Revers.Logic Bridge Logic IREF0 Logic
Res. f.Commun
BC not Zero
Logik f.IN HIBIT
Fault Current
Bridge of Slave
Bridge
IREF2-Pol.Broth
IREF2-Polarity
Curr.Ref.2
IREF1-Pol.Master
IREF1-Polarity
Curr.Ref.1
Arm.CURR.Both
Conv.Cu rr.Both
Arm.Curr.Slave
Conv.Curr.Slave
Fault Reversion
Indicat.Revers
[1209]
*
2048
ADJ REF1 INHIB Logic DIFF CURR DELAY DIFF CURRENT IACT SLAVE FREV DELAY REV GAP REV DELAY
13622 13605
STSYN
BC
6-PULSE MASTER
CURR ENT REFERENCE
P6
3604
13608
P5 P4
active , if [1209] = 1
CURRENT ANALYSIS
13601 13602 13603 13604 13615 13621
3616
ON/OFF LOGIC
(1 1205)
13616
3607
P3 P2 P1
active, if [1209]= 1 or 2
BRIDGE REVERSAL LOGIC
SP
12-PULSE LOGIC
3608 3609 3610
13611 13606 13609 13607 13610 13612 13613 13614
-99
12PULS_2
3601 3602 3603 3605 3606 3615
1
10 10 10
150
2048
X18:12 X18:11 X18:10 X18:09
OUTPUT X18
SP STSYN
3611 3612 3613
3614
-98
X18:16 X18:15 X18:14 X18:13
13618
STSYN SP
INPUT X18
13617 13619 13620
-97
AI2_REF {6}
BC {2}