Lenze DDS Target 9300 Servo PLC V8.x - Manual (Page 42)

2.8 DFIN_IO_DigitalFrequency (node number 21)
9300 Servo PLC
System blocks
2−36
L
9300 Servo PLC EN 5.1
2.8 DFIN_IO_DigitalFrequency (node number 21)
2.8.1 Inputs_DFIN
This SB can convert a pulse current at the digital frequency input X9 into a speed value and scale it.
·
The transmission is very precise without offset and gain errors.
·
In addition, this SB provides the phase correction value DFIN_dnIncLastScan_p which is
required within the calling task for phase processing of touch probe processes.
( ^ 2−41)
DFIN_IO_DigitalFrequency
C0426
X9
C0425
1
0
TP/MP
-Ctrl
C0428 C0429
DFIN_nIn_v
DFIN_bTPReceived_b
DFIN_dnIncLastScan_p
MP
DFIN_bEncFaultCable_b
C0427
4V
(X9/8) MONIT_SD3
E5
C0431
0
1
Fig. 2−15 DFIN_IO_DigitalFrequency
System variables
Variable Data type Signal type Address Display
Code
Display
Format
Note
DFIN_nIn_v Integer Velocity %IW21.0 C0426 dec [rpm] Value in inc/ms
DFIN_bEncFaultCable_b Bool Binary %IX21.1.0 − − TRUE = Monitoring
"FaultEncCable" has been
triggered because X9/8 is not
supplied with voltage and the
digital frequency coupling is thus
interrupted.
DFIN_bTPReceived_b Bool Binary %IX21.1.2 − − Receive touch probe (TP)
DFIN_dnIncLastScan_p Double integer Position %ID21.1 − − Dinc between TP and task start
Stop!
The digital frequency input X9 cannot be used if
·
you use the digital frequency output X10 (C0540 = 0, 1, 2) and
·
an incremental encoder/sin−cos encoder!