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IEEE Standard IEC Standard
PIN PIN
1 D101 1 D101
2 D102 2 D102
3 D103 3 D103
4 D104 4 D104
5 EOI 5 REN
6 DAV 6 EOI
7 NRFD 7 DAV
8 NDAC 8 NRFD
9 IFC 9 NDAC
10 SRQ 10 IFC
11 ATN 11 SRQ
12 SHIELD 12 ATN
13 D105 13 SHIELD
14 D106 14 D105
15 D107 15 D106
16 D108 16 D107
17 REN 17 D108
18 GND 6 18 GND 5
19 GND 7 19 GND 6
20 GND 8 20 GND 7
21 GND 9 21 GND 8
22 GND 10 22 GND 9
23 GND 11 23 GND 10
24 LOGIC END 24 GND 11
IEEE Address selection
Before operating the 9814 over the IEEE, set the address on the rear of the unit to the
required address and operating mode.
Addresses 0 and 16 are reserved for recalibration in AUTO-CAL mode and should not
be used unless recalibrating the instrument. Address 31 is used to select self test mode.
The eight switches are read only when the 9814 is first switched ‘ON’. Therefore it is
necessary to turn the 9814 ‘OFF’ if a new IEEE address is required.
Table 5.1 Comparison of pin designations IEEE/IEC
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