2-10
Checks and Preparation
Logic amplifier
This section describes the logic amplifier and how to connect the input signal cables. The logic amplifier is
used for logic measurement.
Group D terminal
Group C terminal
Group B terminal
Group A terminal
DCBA
LOGIC +25V
max.
Group A terminal ................. Terminal for inputting logic signals via channels A1 to A4.
Group B terminal ................. Terminal for inputting logic signals via channels B1 to B4.
Group C terminal................. Terminal for inputting logic signals via channels C1 to C4.
Group D terminal................. Terminal for inputting logic signals via channels D1 to D4.
(1) Connect the round connector on the RIC-07 logic cable to the A to D signal input terminals on the logic
input amplifier.
Connect the other end to the RIC-08 alligator clip cable or RIC-09 IC clip cable depending on the
measuring point configuration.
1
2
3
4
G
RIC-07
A
Affix mark "A" to "D" to match
the amplifier channel group number.
Brown
Red
Orange
Yellow
Black
Affix so that mark "G" is
aligned with the black lead
RIC-08 or 09
(2) Perform connections to the measurement points of the RIC-08 alligator-clip cable or RIC-09 IC-clip cable
as indicated in the table below.
CHECKPOINT
To remove the RIC-07 logic input cable, RIC-08 alligator-clip cable,
or RIC-09 IC-clip cable after finishing measurement, insert a blade
screwdriver into the connector as shown below to unlatch the cable.
Item Description
No. of channels 8 (4 channels per terminal x 2)
Input voltage range 0 to +25 V max (single wire ground input)
Max sampling interval 1 µs
Threshold level TTL (+1.4 V), CMOS (+2.5 V), Contact (+5.0 V)
Terminal color
Cable color Channel
Red Brown 1
Red 2
Orange 3
Yellow 4
Black Black Common
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