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1-9
1. OUTLINE OF THE SYSTEM
EO10-33008
1. 5 ELCTRONICS SPECIFICATIONS
3
Expansion I/O interface
(1)Interface circuit
■
Input circuit
Fig. 1-7
There are five input circuits, and each input is a current loop using a photo-coupler.
The anode of the photo-coupler is connected to common pin COM1 in each of the five circuits. Each
cathode is independent. The voltage of Vcc is 24 V (max.) while the diode operating current is 16
mA.
■
Output circuit
Fig. 1-8
There are six output circuits, and each output is an open collector. The voltage of Vcc is 24V (max.)
while the operating current is 150 mA.
For other details, please refer to the Expansion I/O specification.
External controller, etc.
Vcc
R
R
Photo-coupler
TPL521 (TOSHIBA)
COM1
IN0
IN4
~
Printer
External controller, etc.
(In the case of photo-coupler)
~
~
Printer
OUT0
OUT5
COM2
Vcc
Summary of Contents for B-880 series
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