19-1
IM 701210-06E
Specifications
19
Chapter 19 Specifications
19.1 Input Section
Item Specifications
Number of input channels 16 channels + 16-bit log (8 bits ×2)
Type Plug-in input unit
Number of slots 8 (2 channels per slot)
Maximum Record Length Standard 2.5 MW/CH (16 analog channels + 6 DSP channels + 16-bit logic), 50 MW/CH max.
/M1 option 10 MW/CH (16 analog channels + 6 DSP channels + 16-bit logic), 250 MW/(1CH) max.
/M2 option 25 MW/CH (16 analog channels + 6 DSP channels + 16-bit logic), 500 MW/(1CH) max.
/M3 option 50 MW/CH (16 analog channels + 6 DSP channels + 16-bit logic), 1 GW/(1CH) max.
DSP channel (optional) 6 dedicated computation channels (DSP channels) provided internal to the DL750/DL750P.
Performs realtime computation of addition, subtraction, multiplication, and division (with or without
coefficients), filtering, differentiation, integration, and knocking filtering using the 16 analog input
channels as computation sources. (For detailed specifications of the computation function of the
DSP channels, see section 19.5, “Function.”)
Below are the characteristics of the DSP channels
• The allocation of the acquisition memory of DSP channels is the same as analog input channels.
• Can be used in all acquisition modes.
• Can be set as a trigger source of simple triggers, the OR trigger of enhanced triggers, and
window triggers.
• Computed waveform can be displayed in realtime even during roll mode display.
• Can be used as a target waveform of cursor measurements and automated measurement of
waveform parameters.
• Can be used as a target channel for the dual capture function.
19.2 Trigger Section
Item Specifications
Trigger mode Auto, auto-level, normal, single, single(N), log, and repeat (only during Chart Recorder mode on the
DL750P)
Trigger level range CH1 to CH16: ±10 div around 0
Trigger hysteresis When observing voltage: Select ±0.1 div, ±0.5 div, or ±1 div of the trigger level
When observing temperature: When observing temperature: Select ±0.5° C, ±1.0° C, or ±2.0° C.
Trigger position Can be set in 0.1% increments of the display record length
Trigger delay range 0 to 10 s (resolution is 100 ns)
Hold off time range 0 to 10 s (resolution is 100 ns)
Manual trigger key Dedicated manual trigger key is available
Simple trigger
Trigger source CH1 to CH16, EXT (signal input from the TRIG IN terminal), LINE (commercial power supply signal
that is connected), Logic A, Logic B, Time, and DSP1 to DSP6
Trigger slope CH1 to CH16 and DSP1 to DSP6: Rising, falling, or rising/falling
EXT, LOGIC A, LOGIC B: Rising or falling
Time trigger Date (year/month/day), time (hour/minute), time interval (1 minute to 24 hours)
Enhanced trigger
Trigger source CH1 to CH16, Logic A, and Logic B (AND and OR possible on each logic bit)
Trigger type A -> B(N): Trigger occurs nth time condition B becomes true after condition A becomes true.
Count: 1 to 255
Condition A: Enter/Exit
Condition B: Enter/Exit
A Delay B: Trigger occurs first time condition B becomes true after specified delay following
condition A true.
Delay: 0 to 10 s (resolution is 100 ns)
Condition A: Enter/Exit
Condition B: Enter/Exit
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