3 INDIVIDUAL SPECIFICATIONS
3-64
3.31 LQA155 (Current inputs, 8 points, different input for the SC* side of each
channel)
Table 3-42 LQA155 Specifications
Item Specification
Input range
4 to 20 mA
Number of input channels
Eight channels
Insulation method
Photocoupler insulation (common to eight channels)
Maximum input voltage
24 mA
Number of A/D conversion bits
12 bits (sign + 11 bits) or 14 bits (sign + 13 bits)
Conversion rate
2,000 digit/16 mA (8,000 digit/16 mA)
0 digit: 4 mA
Total accuracy
Ambient temperature
25°C
±0.15%/Full scale
(12 bit: 6 digit, 14 bit: 24 digit)
Ambient temperature
0 to 55°C
±0.4%/Full scale
(12 bit: 16 digit, 14 bit: 64 digit)
Maximum
response time
MODE 1
5.12 ms + TRC (remote I/O transfer)
5.12 ms + RC (J.NET transfer)
MODE 2
5.12 ms + 8TRC (remote I/O transfer)
5.12 ms + RC (J.NET transfer)
MODE 3
5.12 ms + TRC (remote I/O transfer)
5.12 ms + RC (J.NET transfer)
MODE 4
5.12 ms + 4TRC (remote I/O transfer)
5.12 ms + RC (J.NET transfer)
Input filter
Attenuation factor: 8.9 dB/60 Hz
Time constant: 4.8 ms
Input
impedance
Power ON
250
Ω
or more
Power OFF
237
Ω
or more
Internal current dissipation
550 mA or less
Dielectric voltage
500 VAC, 1 minute (between external terminals in a batch and
ground)
External
wiring
Connection method
18-point terminal block connector (screw: M3)
Compatible wire
0.3 to 1.25 mm
2
Tightening torque
6 to 8 kg
・
cm
Allowable wiring length 200 m (shielded twisted-pair cable)
Mass 170
g
A1
A2
A3
A4
A5
A6
A7
A8
A9
B1
B2
B3
B4
B5
B6
B7
B8
B9
LQA155
A.INPUT
MODE
4 20mA
Figure 3-79 LQA155 Appearance
Summary of Contents for S10mini LQS070
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Page 30: ...1 BEFORE USE ...
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