IM 701510-01E
16-5
Specifications
16
16.6 Rear Panel Input/Output Section
Item
Specifications
External trigger input
(For DL1520/DL1520L)
(EXT TRIG IN)*
Refer to “External clock” in section 15.3, “Time Axis”.
(For DL1540/DL1540L)
Connector type
: BNC
Input band
: DC to 15 MHz
Input impedance
: Approx. 1 M
Ω
Maximum input voltage
:
±
6 V
Trigger level
: 1.5 V or 0.15 V
Input amplitude
: TTL/CMOS level recommended (0.3 Vp-p or greater at the end of
the connector,
±
0.15 V or greater relative to the threshold level)
Input pulse width
: 25 ns or more for both High and Low levels
Trigger output
Connector type
: BNC
(TRIG OUT)
Output level
: TTL
(for DL1540/DL1540L)
Output logic
: Negative (trailing edge)
Output delay time
: 200 ns max.
Output hold time
: 20
µ
s min. for low level, 200 ns min. for high level
GO/NO-GO input/output
Connector type
: Half-pitch interface cable (DDK: DHA-RB50-S132)
(NO-GO OUT, GO OUT)
Output level
: TTL
(for DL1540/DL1540L)
Output logic
: Negative
Output
: NO-GO OUT signal, GO OUT signal
Output timing
: Refer to page 9-13.
*
The external trigger input terminal (EXT TRIG IN) is also used as the external clock input terminal (EXT CLOCK IN). For specifications
of the external clock input, refer to page 16-3.