HCS DAC-42A - Page 3

DAC-42(A)-x-PN
Page 3
DAC-42(A)-x-PN Manual
Revision: 1.0 22.01.2024
7 General communication information................................................................................................................. 41
7.1 Special information for bus activation ................................................................................................................... 41
7.2 General information about TADR (Telegram Address) ......................................................................................... 41
7.3 General information about CMD (Command) and SADR (Slave Address) ........................................................... 41
8 Simple commands .............................................................................................................................................. 42
8.1 CMD 3 Master Read ............................................................................................................................................. 42
8.1.1 CMD = 3, Master Read parameters (7 bytes) ........................................................................................... 42
8.1.2 CMD = 3, Response from Slave (4 + CNT bytes) ..................................................................................... 42
8.1.3 CMD = 3, Error from DAC-4x(A) (4 bytes)................................................................................................. 43
8.2 Telegram example CMD = 3 ................................................................................................................................. 43
8.3 CMD = 6, Master Write ......................................................................................................................................... 44
8.3.1 CMD = 6, Master Write single parameter (7 bytes) ................................................................................... 44
8.3.2 CMD = 6, Response from DAC-4x(A) (7 bytes) ........................................................................................ 44
8.3.3 CMD = 6, Error from DAC-4x(A) (4 bytes)................................................................................................. 45
8.4 Telegram example CMD = 6 ................................................................................................................................. 45
8.4.1 Example, write parameter ......................................................................................................................... 45
8.4.2 Example, write set value ........................................................................................................................... 46
9 Complex commands ........................................................................................................................................... 47
9.1 CMD = 15, Master writes multiple parameters (8 bytes) ....................................................................................... 47
9.2 CMD = 15, Response from DAC-4x(A) (9 bytes) .................................................................................................. 47
9.3 CMD = 15, Error from DAC-4x(A) (4 bytes) .......................................................................................................... 48
9.4 Examples, CMD = 15, single slave, DAC-4x(A) .................................................................................................... 48
9.5 CMD = 15, structure of Profinet telegram definition, depending on SW Versions ................................................. 49
9.5.1 General ..................................................................................................................................................... 49
9.5.2 Version for Mode 1 (open loop, one valve with two solenoids) ................................................................. 51
9.5.3 Version for Mode 2 (open loop, two valves with one solenoid each) ......................................................... 52
9.5.4 Version for Mode 3, 4, 10 (closed loop) .................................................................................................... 53
9.5.5 Version for Mode 6, 11 (two closed loops) ................................................................................................ 54
9.5.6 Version for Mode 8 (closed loop) .............................................................................................................. 55
10 Configuration for SIEMENS TIA portal .............................................................................................................. 56
10.1 Setup the network configuration for the DAC-4x(A) .............................................................................................. 56
10.2 Assign the IO-Module from the GSD to the device ............................................................................................... 56
10.3 Install the function block ........................................................................................................................................ 57
10.4 Explanation of the function block .......................................................................................................................... 58
10.4.1 General ..................................................................................................................................................... 58
10.4.2 Classic CPU 300,400: Definition of the data buffer address ..................................................................... 59
10.4.3 CPU 1200,1500: Specification of the data buffer address based on the hardware identifier..................... 60
10.4.4 CMD 3, Reading values from one DAC-4x(A) node .................................................................................. 61
10.4.5 CMD 6, Writing parameters the DAC-4x(A) .............................................................................................. 62
10.4.6 CMD 15, Writing and Reading once the connected DAC-4x(A) ................................................................ 63
11 List of parameters ............................................................................................................................................... 64
12 Declaration of Conformity .................................................................................................................................. 70