HP 9000 Series 310 Service Information Manual page 59

Power Supply
One voltage,
+
12 V dc is taken from the host computer and output as a regulated power supply
to external devices on the link. Up to 1 A can be supplied to devices. When configuring HP-HIL
devices with Series 300 computers, care rnust be used to ensure the total power drawn by all
devices does not exceed 1 A. In Table 3-2, devices are listed with their power requirements.
Table 3-2. HP-HIL Devices and Power Requirements
Product No.
Device Name Milliamps
HP 35723A
Touchscreen Bezel
250
HP 46020A ITF Key board 100
HP 46021A ITF Key board
145
HP 46060A HP Mouse 200
HP 46080A
Extension Module 25
HP 46081A
3 Metre Ext. 25
HP 46082A/B 15/30 Metre Extension
l
50
HP 46083A
Rotary Control Knob 110
HP 46084A ID Module 60
HP 46085A
Control Dials 350
HP 46086A Button Box 80
HP 46087A2 "A" -Size Digitizer2
200
HP 46088A 2
"B" -Size Digitizer2
200
HP 46094A Quadrature Port Device
3
80
HP 46095A Three-Button Mouse 80
HP 92916A Barcode Reader
100
Notes:
1
Extension cables have two boxes, each draws 25 rnA.
2 Includes HP 46089A 4-Button Cursor.
Watts
3.0
1.2
1.74
2.4
0.3
0.3
0.6
1.32
0.72
4.2
0.96
2.4
2.4
1.2
0.96
1.2
3
Port Device requires 80 rnA and the device attached to it cannot exceed 120 rnA.
Computer-Link Interface
Series 300 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.
Functional Description 49