User Manual

473
────────────────────────────────────────────────────
19.1 Logic Inputs
────────────────────────────────────────────────────
16
17
18
19
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
A
1
9.1.2 9321 LOGIC PROBE
The number of channels 4 （insulated）
Input voltage range LOW HIGH
Input resistance more than 30 kΩ more than 100 kΩ
Sensitivity
(Output: H)
0 to 10 VAC
±（0to15）VDC
0 to 30 VAC
±（0to43）VDC
Sensitivity
(Output: L)
60 to 150 VAC
±（20 to 150）VDC
170 to 250 VAC
±（70 to 250）VDC
Response time（ ）
（
）
less than 1 ms
less than 3 ms
with 100 VDC
less than 1 ms
less than 3 ms
with 200 VDC
Maximum input voltage 150 V rms 250 V rms
Maximum rated voltage to earth 250 V rms
Dielectric strength AC2.3 kV / 1 min（between unit and channels）
Insulation resistance more than 100 MΩ / 500 VDC（between unit and channels
）
NOTE
The 9321 is a logic probe with indicator. It is connected to the logic input unit
for the 8800 Series MEMORY HiCORDER. This unit detects presence of AC
or DC voltage, making it possible to measure the operation timing of relay
sequence circuits. Each channel is floated so that connection is easy.
Operation
・Set the input selector in accordance with the measured voltage.
LOW range: Turning AC 100 V and DC 24 V, etc. ON/OFF
HIGH range: Turning AC 200 V, etc. ON/OFF
・Since the inputs are bipolar, polarity should be disregarded.
・Because the inputs are insulated, each channel is connectable to
independent potential points.
Specifications
This unit detects absolute values so that negative DC voltages can be applied.
The above values for AC voltages are those obtained with sine wave signals of
50/60 Hz.
For details on Specifications, refer to the 9321 LOGIC PROBE manual.