17-10
IM 253710-01E
17.6 External Trigger I/O Section
Item
Specification
External trigger input
Connector type : BNC connector
(EXT TRIG IN)
Input level : CMOS
Minimum pulse width : 1
µ
s
Logic : (rising edge), (falling edge),
(rising/falling edge)
Trigger delay time : Within (2
µ
s + 1 sampling period)
External trigger output
Connector type : BNC connector
(EXT TRIG OUT)
Output level : CMOS
Output logic format :
Negative logic
Output delay time : Within (1
µ
s + 1 sampling period)
Output hold time : Low level 200 ns or more
For the specifications of external clock input, see section 17.3, “Time Axis.”
17.7 Internal Floppy Disk Drive
Item
Specification
Number of drives
1
Size
3.5" floppy disk
Capacity
640 KB/720 KB/1.2 MB/1.44 MB
17.8 GP-IB Interface
Item
Specification
Electrical and mechanical
Conforms to IEEE St'd 488-1978.
specifications
Functional specifications
SH1, AH1, T6, L4, SR1, RL1, PP0, DC1, DT0, C0
Protocol
Complies with IEEE St’d 488.2-1987.
Used code
ISO (ASCII) code
Mode
Addressable mode
Address
0 to 30
Clear remote mode
Clear remote mode using LOCAL key (except during Local Lockout).
For detailed specifications of the GP-IB interface, see the Communication Interface User’s Manual (IM253710-11E).