Epson Powerspan Specifiche Pagina 478

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ZVx Interfaces
1043.0009.50 A.21 E-8
A.4 User Interface (USER)
The user interface, located on the rear panel of the ZVx, is a 25 pin Cannon connector which provides
access to the two user ports (Port A and Port B). Each port is 8 bits wide (A0 - A7 and B0 -B7) and can
be configured either as output or as input. The voltage levels are TTL levels (Low < 0,4 V, High > 2 V).
In addition, an internal +5 V power supply voltage is provided. The maximum load current is 100 mA.
In addition, two supply voltages are provided:
+ 5 V Max. current 100mA, protected by multifuse.
+ 28 V Max. current 100mA, the voltage is applied to pin 25 only if pin 22 and pin 24
are connected.
The pin assignments for the USER connector can be seen in the following diagram:
The configuration of the user ports takes place in the SETUP menu (SETUP key) in the GENERAL
SETUP sub-menu.
Fig. A-5 Pin assignments for the USER connector
1
14
13
25
A0
A1
A2
A3
A4
A5
A6
A7GND
GND
GND
GND
+5 V
B7
B6
B5
B4
B3
B2
B1
B0
+5 V
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