Siemens D7-SYS - Page 486

Closed-loop thyristor current control
5-46 System- and communication configuring D7-SYS - SIMADYN D
Edition 06.2002
PC6. Significance Value\connection
DIL
Pulse position tolerance [°]
Limit for the setpoint-actual value difference of the firing angle.
(Default: 1.0)
DIZ
Number of permissible continuous limit violations, DIL (Default: 3)
ICC
Control word
(assignment, refer below)
SOL.QCC
→ PC6.ICC
DZ
Operation: Double firing
For DZ=1, a firing pulse pair of a phase is constantly output in
the constellation 1-4, 2-5, 3-6 or 4-1, 5-2, 6-3.
(Default: 0)
ACI
Handshake from the CAV block
CAV.ACO
→ PC6.ACI

TCP
Processing time of all FBs [ms] (Default: 0 ms)
ACA Processing time in [°]
(incl. 100
µs safety tolerance)
(Default: 0.0)
ZPA
Number of the firing pulse
PC6.ZPA
→ PA6.ZPA
(Default: 0)
ZZA Diag.: Firing pulse adjustment number
(indicates the change of the number, only for changes > 60°.)
(Default: 0)
{-3...0...+4}
ZLA
Diag.: Status "Double firing state machine" (Default: 0)
ZXA
Diag.: Status "Pulse position fault generation" (Default: 0)
WAF
Firing angle setpoint α [°]
(max. changes/TA are limited by DAG or DAW.)
(Default: 0.0)
YEA
System deviation, firing angle controller (Default: 0.0)
DZM
Operation: Double firing active
PC6.DZM
→ SOL.DZM
(Default: 0)
ZAH
Control word, hardware
(assignment, refer below)
(Default: 16#0000)
ACO
Handshake for EMF block
PC6.ACO
→ EMF.ACI
(Default: 0)
QSF
Fault word
PC6.QSF
→ SOL.QSP
(Default: 16#0000)
Fig. 5-25 I/O PC6