西门子张力控制(基于速度)
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MRG Control
Baidu NhomakorabeaSiemens Brussels - ES14 V 0.x
01.05.2004 Specification
12 TCON2: Tension Control, Type 2............................................................................................................... 3 12.1 Introduction............................................................................................................................................. 3 12.2 Principle of TCON2 ................................................................................................................................ 4 12.2.1 Theoretical overview....................................................................................................................... 6 12.3 Overview (block diagram) ...................................................................................................................... 8 12.4 Functions................................................................................................................................................. 9 12.4.1 Control and status words, data transfer ......................................................................................... 10 12.4.1.1 Control words TCON2 .......................................................................................................... 10 12.4.1.1.1 Control words LCO .......................................................................................................... 10 12.4.1.1.2 Control words MRG ......................................................................................................... 13 12.4.1.2 Status words TCON2 ............................................................................................................ 17 12.4.1.2.1 Status words LCO............................................................................................................. 17 12.4.1.2.2 Status word MRG ............................................................................................................. 19 12.4.1.3 Data transfer .......................................................................................................................... 21 12.4.1.3.1 Data reception................................................................................................................... 21 12.4.1.3.2 Data transmission ............................................................................................................. 22 12.4.2 Tension setpoint: absolute or relative............................................................................................ 23 12.4.3 Tension ramp generator................................................................................................................. 24 12.4.4 Actual tension................................................................................................................................ 25 12.4.5 Tension setpoint of the nearby tension zone ................................................................................. 28 12.4.6 Tension regulator .......................................................................................................................... 28 12.4.7 Precontrol of the tension regulator ................................................................................................ 29 12.4.8 Tension cascade ............................................................................................................................ 30 12.4.9 Speed-dependent tension correction.............................................................................................. 31 12.4.10 Automatic speed correction....................................................................................................... 32 12.4.11 V_Tech_start: applying tension................................................................................................. 34 12.4.12 Determining the sign of V_tech ................................................................................................ 35 12.4.13 VT_Feed.................................................................................................................................... 35 12.4.14 T_Tech: Precontrol.................................................................................................................... 36 12.5 Simulation TCON2 ............................................................................................................................... 37 12.6 Block diagram ....................................................................................................................................... 38 12.7 Description of variables ........................................................................................................................ 40 12.8 Program structure .................................................................................................................................. 41 12.9 Program layout...................................................................................................................................... 43 12.9.1 FC1344: Data reception ................................................................................................................ 43 12.9.2 FB286 – FB300: Calling in the regulator ...................................................................................... 43 12.9.3 FC1345: Sending data to LCO ...................................................................................................... 44
Baidu NhomakorabeaSiemens Brussels - ES14 V 0.x
01.05.2004 Specification
12 TCON2: Tension Control, Type 2............................................................................................................... 3 12.1 Introduction............................................................................................................................................. 3 12.2 Principle of TCON2 ................................................................................................................................ 4 12.2.1 Theoretical overview....................................................................................................................... 6 12.3 Overview (block diagram) ...................................................................................................................... 8 12.4 Functions................................................................................................................................................. 9 12.4.1 Control and status words, data transfer ......................................................................................... 10 12.4.1.1 Control words TCON2 .......................................................................................................... 10 12.4.1.1.1 Control words LCO .......................................................................................................... 10 12.4.1.1.2 Control words MRG ......................................................................................................... 13 12.4.1.2 Status words TCON2 ............................................................................................................ 17 12.4.1.2.1 Status words LCO............................................................................................................. 17 12.4.1.2.2 Status word MRG ............................................................................................................. 19 12.4.1.3 Data transfer .......................................................................................................................... 21 12.4.1.3.1 Data reception................................................................................................................... 21 12.4.1.3.2 Data transmission ............................................................................................................. 22 12.4.2 Tension setpoint: absolute or relative............................................................................................ 23 12.4.3 Tension ramp generator................................................................................................................. 24 12.4.4 Actual tension................................................................................................................................ 25 12.4.5 Tension setpoint of the nearby tension zone ................................................................................. 28 12.4.6 Tension regulator .......................................................................................................................... 28 12.4.7 Precontrol of the tension regulator ................................................................................................ 29 12.4.8 Tension cascade ............................................................................................................................ 30 12.4.9 Speed-dependent tension correction.............................................................................................. 31 12.4.10 Automatic speed correction....................................................................................................... 32 12.4.11 V_Tech_start: applying tension................................................................................................. 34 12.4.12 Determining the sign of V_tech ................................................................................................ 35 12.4.13 VT_Feed.................................................................................................................................... 35 12.4.14 T_Tech: Precontrol.................................................................................................................... 36 12.5 Simulation TCON2 ............................................................................................................................... 37 12.6 Block diagram ....................................................................................................................................... 38 12.7 Description of variables ........................................................................................................................ 40 12.8 Program structure .................................................................................................................................. 41 12.9 Program layout...................................................................................................................................... 43 12.9.1 FC1344: Data reception ................................................................................................................ 43 12.9.2 FB286 – FB300: Calling in the regulator ...................................................................................... 43 12.9.3 FC1345: Sending data to LCO ...................................................................................................... 44