Table 3-11. Hp-Hil Devices And Power Requirements - HP 330 Service Information Manual

Table 3-11. HP-HIL Devices and Power Requirements
Product
Number Device Name Milliamps Watts
HP 35723A Touchscreen Bezel 250 3.0
HP 46021A ITF Keyboard 100 1.2
HP 46021A ITF Keyboard 145 1.74
HP 46060A HP Mouse 200 2.4
HP 46080A Extension Module 25 0.3
HP 46081A 3 Metre Ext. 25 0.3
HP 46082A/B
15/30 Metre Extension
1
50 0.6
HP 46083A Rotary Control Knob 110 1.32
HP 46084A ID Module 60 0.72
HP 46085A Control Dials 350 4.2
HP 46086A Button Box 80 0.96
HP 46087A
2
"A" -Size Digitizer
2
200 2.4
HP 46088A
2
"B" -Size Digitizer
2
200 2.4
HP 46094A Quadrature Port Device
3
80 1.2
HP 46095A Three-Button Mouse
80
0.96
HP 92916A Barcode Reader 100
1.2
Notes:
1
Extension cables have two boxes, each draws 25 rnA.
2
Includes HP 460S9A 4-Button Cursor.
3
Port devices require SO rnA; devices attached cannot exceed 120 rnA.
Computer-Link Interface
Model 350 computer DIO bus architecture is interfaced to the HP-HIL microprocessor in these
circuits. They allow device input data to be used by the host computer.
Microprocessor
The HP-HIL microprocessor on the computer's assembly provides support for link protocol and
is responsible for:
• Configuring the link.
• Processing input device data.
• Error recovery.
• Initiating commands onto the link through the Link Interface.
110
Functional Description