Machine Characteristics; Physical Characteristics; Electrical Characteristics - IBM 3274 51C Maintenance Information

E.l.2
Machine Characteristics
Input
Average
Input Voltage Operating
E.1.2.1
Physical Characteristics
Voltage (V)
Range Current (A)
The 31S0 diskette weighs 5.0 kg (11.0 pounds) and has a
100 90·110 0.30
speed of 360 rpm. See Figure E·5 for other physical
110
96.5·119 0.30
characteristics.
120
104·127 0.30
127 111·137 0.30
E.1.2.2
Electrical Characteristics
200 180·220 0.20
The system supplies all the power needed to operate the
208 180·220 0.20
diskette drive, which includes:
220 193·238 0.20
240
• All the following:
208·254 0.20
Logic
Maximum
-50 Hz, single·phase, ae power
Voltage
Operating
Input Average
(de)
Current (A) Tolerance
(%)
Input Voltage Operating
-5
0.08 ±10
Voltage (V)
Range Current (A)
+5
0.50 ±10
100 90·110 0.30
+24 0.50 ±12
110
96.5·119 0.30
• A selection of the needed ac power from the following
200 180·220 0.25
220
193·238 0.20
lists:
230 202·249 0.20
-60 Hz, single·phase, ac power
240 210·259
0.20
( 11.25 inches)
Figure E·5. 31 SO Physical Characteristics
Appendix E. IBM 31SD Diskette Drive Maintenance E-7