24-pin GPIB connector
Signal name
Pm No
GND LOGIC
24
GND. (ATN)
23
GND (SRQ)
22
GND (IF C )
21
GND (NDAC)
20
GND (NRFD) 19
GND (DAV)
18
REN
17
DIO 8
16
DIO 7 1 5
DIO 6
14
DIO 5
13
Pm No.
Signal name
12 SHIELD
11 ATN
10
SRQ
9
I FC
8
NDAC
7 NRFD
6
DAV
5
EOI
4
DIO 4
3
DIO 3
2 DIO 2
1
DIO 1
Fig. 4-3 GPIB connector pin assignment
4-3-2. Interface Functions
Table 4-1 Interface functions
Code
Function
SH1
Source handshake
AH1 Acceptor handshake
T5
Basic talker, Serial poll. Talk only mode. Unaddressed to talk if
addressed to listen
L4 Basic listener. Unaddressed to listen if addressed to talk
SR1
Service request
RL1
Remote function
PPO No parallel poll function
DC1
Device clear (SDC and DCL commands can be used.)
DT1
Device trigger (GET command can be used.)
CO
No controller function
E1
Open collector driver
4 -4
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