User Manual

4.2 Setting Measurement Configuration (Status Settings Screen)
94
5
6
2
3
Setting Timebase 1 and 2: When using the Model 8958 16-
Ch Scanner Unit together with other input modules
To open the screen: Press the SET key → Select with the SUB MENU keys →Status Settings screen
See Screen Layout(
⇒ p. 27), To set from the Waveform screen (⇒ p. 108)
Operating Key Procedure
1
SHEET/PAGE
Select the [Use Ch] page.
2
Select the number of channels to use.
(The settings of the numbers of channels for Timebase 1 and
Timebase 2 are interdependent)
Timebase 1 (Channels other than those on the 8958)
CURSOR
Move the cursor to the [Timebase 1] item.
F1 to F8
Select the number of channels to use.
When using logic channels:
Logic channels CH A through CH D are repre-
sented as one channel.
Timebase 2 (exclusive for channels on the 8958)
CURSOR
Move the cursor to the [Timebase 2] item.
F1 to F8
Select the number of channels to use.
Ch 1 to 8 and Ch 9 to 16 groups are each repre-
sented as one channel [1× 8CH]
3
Select the channels for measurement (analog/logic
inputs).
CURSOR
Move the highlight cursor to a channel to use for
measurement.
F1 to F8
Select either choice.
4
SHEET/PAGE
Select the [Basic] page.
5
Set the Timebase 1 (or sampling rate).
CURSOR
Move the cursor to the [Timebase] or [Sampling
Speed] item.
F1 to F8
(Switch Display: F8)
About setting ranges: "Timebase Setting: Using
the TIME/DIV Key" (
⇒ p. 90)
6
Set the Timebase 2 sampling rate.
CURSOR
Move the cursor to the Timebase 2 [Sampling
Speed] item.
F1 to F8
(Switch Display: F8)
Set the sampling rate.
The sampling rate cannot be set faster than that
of Timebase 1.
1CH, 2CH, 4CH, 8CH or 16CH
1 × 8CH, 2 × 8CH, 4 × 8CH, 8 × 8CH (default setting
)
Off No measurement.
On Use for measurement.
Logic Channels
Channels for
measurement
1
4
: On
: Off
Input Module and
Channel Nos.
About the Number of Channels
For the Model 8861 case:
The total number of usable channels i
s
twice the number of selected channels
.
However, the number of channels enabled
for use in the upper tier (Units 1 to 4+ and
Logic A to D) and lower tier (Units 5 to 8
)
cannot exceed the specified number o
f
channels (⇒ p. 88).
When [8CH] (Timebase 1) / [8 × 8CH
]
(Timebase 2) is selected with the Mode
l
8861: up to eight channels (Timebase 1)
/
64 channels (Timebase 2) can be used on
both the upper and lower tiers. (The tota
l
number of usable channels is 16 on Time
-
base 1 plus 128 on Timebase 2.)