Siemens SIMATIC S5 ET 200U Manual page 17

9-1 Scanning the Comparator Module
9-2 Scanning the Timer Module
9-3 Scanning the Simulator Module as a Digital Input
9-4 Setting the Input Voltage Range on the Counter Module (500 Hz)
9-5 Scanning the Counter Module (500 Hz)
9-6 Timing Diagram: Setting and Resetting an Output of the Counter Module
(500 Hz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-7 Switch Positions on the Operating Mode Switch of the Counter Module
9-8 Pin Assignment of the 15-Pin Sub-D Female Connector
of the Counter Module
9-9 Connecting a Counting Pulse Sensor for 5 V Differential Signal to RS 422
9-10 Connecting a Counting Pulse Sensor for 24 V DC
9-11 Connecting a 5 V Position Sensor to RS 422A
9-12 Connecting a 24 V DC Position Sensor
9-13 Signal Sequence for Up-Counting
9-14 Assignment Diagram for the Terminal Block
9-15 Diagnostics Byte
9-16 Switching the Outputs Dependent on the Status of the Counter and the Enable
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-17 Position of the Reference Point (SYNC Bit 0=1) within the Reference Signal
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-18 Position of the Reference Point (SYNC Bit=1) after the Reference Signal
9-19 Position of the Reference Point (SYNC Bit=1) during a Reversal of
Direction before Reaching the Reference Pulse in a Positive Direction
9-20 Schematic of a Reference Point Approach Operation
9-21 Enabling the Outputs - Reaching the Setpoints - Resetting the Outputs
9-22 Approaching a Setpoint in Up-Count Direction
9-23 Approaching a Setpoint in Down-Count Direction
9-24 Approaching a Setpoint in Up-Count Direction and Subsequent Reversal
of Direction
9-25 Requirement for New Setpoint
9-26 Positioning with the IP 263
9-27 Course of a Following Error during a Positioning Operation
9-28 Velocity Profile of IP 267
ET 200U Distributed I/O Station
EWA 4NEB 812 6087-02b
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Contents
9-3
9-6
9-9
9-15
9-16
9-16
. 9-20
9-21
9-22
9-22
9-23
9-23
9-24
9-25
9-27
9-30
9-34
9-34
. . 9-34
9-35
. 9-36
9-38
9-38
9-39
9-41
9-51
9-61
9-64
xvii