Lenze DDS Function library Drive User Manual download pdf (Page 67)

Function library LenzeDrive.lib

Communication

2.6.4 Read codes (L_ParRead)

2−57

LenzeDrive.lib EN 1.7

Tip!

General information about the CAN objects and the system bus (CAN) can be found in the Manual

"System bus (CAN) for PLC devices".

Example

Read value of code C0011 of the device with CAN device address 2:

Tip!

For converting the code number into the value required for wIndex you can use the function

L_FUNCodeIndexConv (see example).

If you want to process the read value in DINT format you can use the FB L_DintToByteArray to

convert the 4−byte array abyData into a DINT value (see example).

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 102 103

Global Drive 1
PLC Developer Studio 1
Important note: 2
Contents 3
1.1 About this Manual 5
1.1.2 Description layout 6
1.1.4 Terminology used 6
1.2.1 Hungarian Notation 7
LenzeDrive.lib EN 1.7 10
2 Function blocks 11
2.1 General signal processing 12
General signal processing 13
L _ A B S 14
Analog signal processing 15
2.2.2 Addition (L_ADD) 15
* ( - 1 ) 18
L _ A N E G 18
2.2.6 Arithmetic (L_ARIT) 21
2.2.7 Changeover (L_ASW) 22
2.2.8 Comparison (L_CMP) 23
2.2.10 Dead−band (L_DB) 30
L _ L I M 32
2.2.13 Delay (L_PT1_) 33
2.2.14 Ramp generator (L_RFG) 34
2.3 Digital signal processing 39
L_DIGDEL 40
Digital signal processing 41
2.3.2.2 Dropout delay 41
2.3.2.3 General delay 41
2.3.4 Flip−flop (L_FLIP) 43
2.3.5 Logical NOT (L_NOT) 44
2.3.6 Logical OR (L_OR) 45
2.3.7.1 Evaluate rising edges 46
2.4.1 Arithmetic (L_ARITPH) 48
± 2 - 1 49
2.4.3 Comparison (L_PHCMP) 50
2.4.4 Difference (L_PHDIFF) 51
L _ P H D I V 52
R e v o l u t i o n 52
2.4.6 Integration (L_PHINT) 53
2.4.6.1 Constant input value 53
2.4.7 Integration (L_PHINTK) 55
2.4.7.1 Constant input value 56
 Given values: 58
 Solution: 58
2.5 Signal conversion 59
Signal conversion 60
2.5.4 Conversion (L_CONVVV) 62
2.6 Communication 64
Communication 65
2.6.4 Read codes (L_ParRead) 65
2.7 Special functions 73
Special functions 74
2.7.2 Fault trigger (L_FWM) 78
2.7.4.1 Main setpoint channel 84
2.7.4.2 JOG setpoints 85
2.7.4.3 Setpoint inversion 85
2.7.4.5 S−ramp 87
2.7.4.6 Arithmetic operation 87
2.7.4.7 Additional setpoint 88
2.7.5.2 Ramp generator 92
3 Appendix 95
Appendix 100
Integration (L_PHINT), 2−43 101
Constant input value , 2−43 102
Constant input value , 2−46 102

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Lenze DDS Function library Drive User Manual Page 67

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