Function diagram
87654321
fp_mc_172b_e.vsd
Communication
MASTERDRIVES MC
07.01.02
Encoder interface DP V3 encoder 2 (external encoder)
- 172b -
V2.5
BD2
SD12
Parking
SD3
Fault
SD2
Fault acknowledgement
SD1
Normal operation
SD11
Measured value in
XIST2
SD10
Wait for measured
value
SD4
Reference value in
XIST2
SD5
Wait for reference mark
SD6
Check reference task
SD7
Set/shift reference point
executed
SD8
Absolute value
cyclically in XIST2
SD9
Check measuring task
PROFIDrive DPV3 encoder interface
Encoder 2 PosActV-2
G2_XIST2
[G2_STW]
.2
Pos ActV G2 (KK0125)
Pos MeasV G2 (KK0127)
RefValue G2 <6>
.2
Ackn MeasV G2 (B0217)
Ackn RefPoint G2 (B0215)
.2
G2_STW
External
encoder
Encoder-2 status word
G2_ZSW
Src Probe 1 (B0016)
Src MeasV valid G2 (B0071)
<3>
<2> <4>
P156 [335.5]
P160 [335.5]
<4>
<1>
P162 [335.5]
Src Probe 2 (B0018)
<5>
<1>
<1> Only possible for SBP (signal source at SBP)
<2> The reference point (setting/shifting) is either
permanently specified in the unit or transferred via
an additional channel from the master.
<3> In the event of a fault the fault value will be active
in Gx_XIST2
1 = Encoder sum error
2 = Zero mark monitoring
4 = Terminate reference mark search
5 = Terminate collect reference value
6 = Terminate flying measurement
7 = Terminate collect measured value
8 = Terminate absolute value transmission on
A = Error in reading absolute track of the absolute
value encoder (EnDat-encoder)
<4> The reference value is shifted, for example, via an
analog switch which acts on the position offset of
the respective encoder.
<5> Measured value valid must be 1, otherwise a fault
message will be tripped (exception: No fault
message is activated if B71 is missing in states
SD1, SD7 and SD12).
<6> Not yet implemented.
U953.64 = ___(20)
B0928
Fault acknowledgement MC
G2_ZSW
n926 [HEX]
Status G2(SDx)
n924.2
KK (0)
.4
KK (0)
.6
B (217)
.4
B0919
Enable ext. enc. reference point detection
B0921
Set ext. encoder reference point
B0923
Shift ext. encoder reference point
B (16)
.5
B (71)
.8
G2_XIST2
n928 [HEX]
B0925
Enable MeasV memory ext. encoder
B (18)
.6
KK (0)
U922
Encoder ActV
B (215)
P923
Encoder checkback
K (0)
U921
Encoder control word
KK0913
K0911
B0915
Bit 1: Function2
B0914
Bit 0: Function1
B0916
Bit 2: Function3
B0917
Bit 3: Function4
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