3.2 Specifications
18
GP-IB Specifica-
tions
Electrical machinery specifications: IEEE std. 488.1-1987 compliant
Address setting
: Can be set to talker/listener addresses 1 to 30.
Interface Functions
Operating Code: ASCII codes
RS-232C Specifica-
tions
Operating Code: ASCII codes
3.2
Specifications
Precautions
RS-232C and GP-IB communications cannot be used simultaneously.
SH1
All Source Handshake functions
●
AH1
All Acceptor Handshake functions
●
T6
Basic talker functions
Serial poll function
Talk-only mode
The talker cancel function with MLA (My Listen Address)
●
●
−
●
L4
Basic listener functions
Listen-only mode
The listener cancel function with MTA (My Talk Address)
●
−
●
SR1
All Service Request functions
●
RL1
All Remote/Local functions
●
PP0
Parallel Poll function
−
DC1
All Device Clear functions
●
DT1
All Device Trigger functions
●
C0
Controller functions
−
E2
Tri-state output
Transfer method
Communications: Full duplex
Synchronization: Start-stop synchronization
Baud rate
38400 bps
Data length
8 bits
Parity
none
Stop bit
1 bit
Flow control
none
Electrical specification
Input voltage levels
5 to 15 V
: ON
-15 to -5 V
: OFF
Output voltage levels
+5 V or more : ON
-5 V or less
: OFF
Connector
RS-232C Interface Connector Pinout
(Male 9-pin D-sub, with #4-40 attachment screws)
The I/O connector is a DTE (Data Terminal Equipment)
configuration
Recommended cables:
•
Model 9637 RS-232C Cable
•
Model 9638 RS-232C Cable
See:
"3.3 Connect a cable to the GP-IB connector or
RS-232C connector" (p.19)
