conditional output boves for dra

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A press's machine cycle is as follows.
;Lowering the ram: the ram is lowered when >
The safety screen was open before the cycle began and
.is now closed (limit switches S4 and S5 actuated)
The press is in the home, i.e. upper position (limit switch
.S6 actuated)
Two-hand switches S1 and S2 were not actuated prior to
.the cycle but are now
Halting the ram during lowering: the ram stops 风
;immediately when
One of the two-hand switches is released. Or
.
●
The safety screen is opened. Or
.The ram is down (limit switch S3 actuated)
Raising the ram: If the ram is down (limit switch S3 X
actuated), it is raised by the eccentric drive. The safety
.screen can be opened and both two-hand switches released
The machining cycle is completed when the ram reaches the
.home position (limit switch S6 actuated)
The designer needs for....... conditional output boxes for drawing the
.ASM-chart for the controller of the aforementioned system
2
5
3
6
7
Transcribed Image Text:A press's machine cycle is as follows. ;Lowering the ram: the ram is lowered when > The safety screen was open before the cycle began and .is now closed (limit switches S4 and S5 actuated) The press is in the home, i.e. upper position (limit switch .S6 actuated) Two-hand switches S1 and S2 were not actuated prior to .the cycle but are now Halting the ram during lowering: the ram stops 风 ;immediately when One of the two-hand switches is released. Or . ● The safety screen is opened. Or .The ram is down (limit switch S3 actuated) Raising the ram: If the ram is down (limit switch S3 X actuated), it is raised by the eccentric drive. The safety .screen can be opened and both two-hand switches released The machining cycle is completed when the ram reaches the .home position (limit switch S6 actuated) The designer needs for....... conditional output boxes for drawing the .ASM-chart for the controller of the aforementioned system 2 5 3 6 7
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