3 INDIVIDUAL SPECIFICATIONS
3-56
3.29 LQA100 (Current inputs, 4 points)
Table 3-40 LQA100 Specifications
Item Specification
Input range
4 to 20 mA DC
Number of input channels
Four channels
Insulation method
Photocoupler insulation (common to four channels)
Maximum input current
±25 mA
Number of A/D conversion bits
12 bits (sign + 11 bits)
Conversion rate
2,000 digit/16 mA
0 digit: 4 mA
Total accuracy
Ambient temperature
25°C
±8 digits or less
Ambient temperature
0 to 55°C
±20 digits or less
Maximum
response time
MODE 1
5 ms + TRC (remote I/O transfer)
5 ms + RC (J.NET transfer)
MODE 2
5 ms + 4TRC (remote I/O transfer)
5 ms + RC (J.NET transfer)
Input filter
Attenuation factor: 9.1 dB/60 Hz
Time constant: approx. 5 ms
Input
impedance
Power ON
250
Ω
or more
Power OFF
230
Ω
or more
Internal current dissipation
Module REV A: 500 mA or less
Module REV B or later: 580 mA or less
Dielectric voltage
1,500 VAC, 1 minute (between external terminals
in a batch and ground)
External
wiring
Connection method
18-point terminal strip connector (screw: M3)
Compatible wire
0.3 to 1.25 mm
2
Tightening torque
Approx. 6 to 8 N
・
m
Allowable wiring length 200 m (shielded twisted-pair cable)
Mass 230
g
z
The response delay does not include input filter delays.
z
TRC denotes a remote I/O transfer time.
z
RC denotes a refresh cycle time set from J.NET.
z
While a data transfer on remote I/O or J.NET is suspended, the input data is held at its value
in effect just before the suspension of the transfer.
CAUTION
Power off the module before setting the MODE switch.
Setting
MODE1
MODE2
Remote I/O
transfer area
Fixed at the
XW area
Fixed at the
EW area
J.NET
transfer area
Area as set
Area as set
MODE switch
Switches input data transfer areas.
LQA100
A. INPUT
A1
A2
A3
A4
A5
A6
A7
A8
A9
B1
B2
B3
B4
B5
B6
B7
B8
B9
4 DC to 20 mA
MODE
1
2
Figure 3-71 LQA100 Appearance
Содержание S10mini LQS070
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