ET 200U Distributed I/O Station
EWA 4NEB 812 6087-02b
Figures
9-1
Scanning the Comparator Module
9-3
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9-2
Scanning the Timer Module
9-6
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9-3
Scanning the Simulator Module as a Digital Input
9-9
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9-4
Setting the Input Voltage Range on the Counter Module (500 Hz)
9-15
. . . . . .
9-5
Scanning the Counter Module (500 Hz)
9-16
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9-6
Timing Diagram: Setting and Resetting an Output of the Counter Module
(500 Hz)
9-16
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9-7
Switch Positions on the Operating Mode Switch of the Counter Module
9-20
.
9-8
Pin Assignment of the 15–Pin Sub–D Female Connector
of the Counter Module
9-21
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9-9
Connecting a Counting Pulse Sensor for 5 V Differential Signal to RS 422
9-22
9-10
Connecting a Counting Pulse Sensor for 24 V DC
9-22
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9-11
Connecting a 5 V Position Sensor to RS 422A
9-23
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9-12
Connecting a 24 V DC Position Sensor
9-23
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9-13
Signal Sequence for Up–Counting
9-24
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9-14
Assignment Diagram for the Terminal Block
9-25
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9-15
Diagnostics Byte
9-27
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9-16
Switching the Outputs Dependent on the Status of the Counter and the Enable
Input
9-30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-17
Position of the Reference Point (SYNC Bit 0=1) within the Reference Signal
Range
9-34
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9-18
Position of the Reference Point (SYNC Bit=1) after the Reference Signal
9-34
9-19
Position of the Reference Point (SYNC Bit=1) during a Reversal of
Direction before Reaching the Reference Pulse in a Positive Direction
9-34
. .
9-20
Schematic of a Reference Point Approach Operation
9-35
. . . . . . . . . . . . . . . . .
9-21
Enabling the Outputs – Reaching the Setpoints – Resetting the Outputs
9-36
.
9-22
Approaching a Setpoint in Up–Count Direction
9-38
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9-23
Approaching a Setpoint in Down–Count Direction
9-38
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9-24
Approaching a Setpoint in Up–Count Direction and Subsequent Reversal
of Direction
9-39
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9-25
Requirement for New Setpoint
9-41
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9-26
Positioning with the IP 263
9-51
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9-27
Course of a Following Error during a Positioning Operation
9-61
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9-28
Velocity Profile of IP 267
9-64
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Tables
9-1
Sending Data from the Counter Modules to the CPU
9-26
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9-2
Sending Data from the CPU to the Counter Module
9-26
. . . . . . . . . . . . . . . . . . .
9-3
Pulse Evaluation
9-31
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9-4
Sample Traverse Range
9-32
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9-5
Reaction of the Counter Module during Transfer of the Setpoints
9-40
. . . . . . .
9-6
Meaning of the Bytes of a Slot Address
9-42
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9-7
Designation of the Operating Modes of the IP 266
9-62
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Function Modules