WAGO 750-632, Manual, Page: 4 / 152

4 Table of Contents WAGO-I/O-SYSTEM 750
750-632 Proportional Valve Module
Manual
Version 1.3.0, valid from FW/HW-Version 01/01
5.2.3 Specifying the Setpoint Value: Operating Mode with Two Valves,
Coil Control: Two Coils, Unidirectional (3-wire) (750-632/000-100
only ..................................................................................................... 36
5.3 Functions for the Setpoint Value Control ............................................... 37
5.3.1 “Automatic mode” .............................................................................. 37
5.3.2 “Jog Mode” ......................................................................................... 38
5.3.3 “Tip Mode” ......................................................................................... 39
5.3.4 “HOLD” ............................................................................................. 40
5.3.5 “STOP” ............................................................................................... 41
5.3.6 End Stop Behavior .............................................................................. 42
5.3.6.1 End Stop Behavior in “Automatic Mode” ..................................... 42
5.3.6.1.1 Approach End Stop Value ......................................................... 43
5.3.6.1.2 Hold Current Value (“Freeze”) ................................................. 45
5.3.6.2 End Stop Behavior in “JOG Mode” and “TIP Mode” ................... 46
5.3.6.2.1 Approach End Stop Value ......................................................... 46
5.3.6.2.2 Hold Current Value (“Freeze”) ................................................. 48
5.3.7 Substitute Value Strategy ................................................................... 49
5.3.7.1 Approach Substitute Value ............................................................ 49
5.3.7.2 Leave Substitute Value Strategy after an Error ............................. 49
5.3.7.3 Manual Mode in Case of Error (Emergency Operation) ............... 50
5.4 Digital Inputs ........................................................................................... 51
5.4.1 Generating Setpoint Values ................................................................ 52
5.5 Overview of the Internal Information Flow ............................................ 52
5.5.1 Function Block: Ramp Generator ....................................................... 54
5.5.2 Function Block: Linearization ............................................................ 56
5.5.3 Function Block: Valve Adjustment .................................................... 57
5.5.4 Definition of “Overlap” ...................................................................... 57
5.5.4.1 Exemplary Depiction of the Characteristic Curve Compensation . 59
5.5.4.2 Function Block: Nominal Current ................................................. 59
5.5.5 Function Block: Dither Generator ...................................................... 60
5.5.6 Current Outputs for Valve Coils......................................................... 62
6 Process Image ............................................................................................. 63
6.1 All Fieldbuses (except PROFIBUS and PROFINET)............................. 63
6.1.1 Operating Mode with One Valve ....................................................... 63
6.1.2 Operating Mode with Two Valves ..................................................... 63
6.2 PROFIBUS and PROFINET ................................................................... 64
6.2.1 Operating Mode with One Valve ....................................................... 64
6.2.2 Operating Mode with Two Valves ..................................................... 64
6.3 Control and Status Bytes ......................................................................... 64
6.4 Representation of Target and Actual Values .......................................... 67
7 Mounting ..................................................................................................... 68
7.1 Mounting Sequence ................................................................................. 68
7.2 Inserting and Removing Devices ............................................................ 69
7.2.1 Inserting the I/O Module .................................................................... 69
7.2.2 Removing the I/O Module .................................................................. 70
8 Connect Devices ......................................................................................... 71
8.1 Connecting a Conductor to the CAGE CLAMP
®
................................... 71
8.2 Power Supply for Marine Applications ................................................... 72