Peripheral machine for programmable controller

Details Peripheral machine for programmable controller Peripheral machine for programmable controller

1988-11-14

1989-12-26

Gruber, Felix D.

Boots, shoes, and leggings

3649218, 3649406, G05B 1902, G06F 1320

Patent

active

048902438

ABSTRACT:
A peripheral machine for a programmable controller has a port for serial input and output to be connected to the programmable controller on a specified signal level. This port is made connectable to an input/output signal line of electronic devices which are linked together on the same signal level as the specified level so that it can be used for monitoring the communication condition of these electronic devices besides the communication with the programmable controller.

REFERENCES:
patent: 3701113 (1972-10-01), Chace et al.
patent: 3753243 (1973-08-01), Ricketts et al.
patent: 3827030 (1974-07-01), Seipp
patent: 3833887 (1974-09-01), Shevlin
patent: 4432064 (1984-02-01), Barker et al.
patent: 4476535 (1984-10-01), Loshing et al.

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