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IP 266 STEP 5 Programming
9.2 Switches, Indicators and Flags in the Sample Programs
Maintained-contact/momentary-contact switches
All control elements for the program are interfaced over IB 3 and IB 4. Some
inputs require only momentary-contact switches, while others require main-
tained-contact switches. Inputs I 3.0 to I 4.7 are listed in the table below.
Maintained-
contact
switch
Input Function
I 3.0 External start enable (IP pin 7)
I 3.1 START
I 3.2 STOP
I 3.3 FORWARD
I 3.4 REVERSE
I 3.5 TRANSFER
I 3.6 Override 100 % / 50 %
I 3.7
I 4.0 Selector switch for mode 5
I 4.1 Selector switch for mode 2
I 4.2 Selector switch for mode 6
I 4.3 Selector switch for mode 8
I 4.4 Selector switch for mode 9
I 4.5 Absolute target specification
+360.800 mm / -360.600 mm
I 4.6
I 4.7 Continuous operation for mode 7
(brief example in Section 9.5)
Momentary-
contact
switch
Function
NC contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
EWA 4NEB 812 6057-02
9-5
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