Model Lwa404 Input Module (±5 Vdc Voltage Input, 2 Channels) - Hitachi HSC-2100 Hardware Manual

2 SPECIFICATIONS OF INDIVIDUAL MODULES
2.24 Model LWA404 Input Module (±5 VDC Voltage Input, 2 Channels)
Item
Module input
Input channels
Insulation method
Rated input voltage
Input voltage range
A/D bits
Conversion ratio
Overall accuracy
(room temperature)
Overall accuracy (0 to 55°C)
Response time
Input filter
Input impedance
Internal
12 VDC
consumption
5 VDC
current
Insulation withstand voltage
Connection
Applicable
cable size
External wiring
Tightening
torque
Maximum
wiring length
Mass
Process side
The overall accuracy listed above is expressed as percentages of the
full scale value of this AI module.
The response time listed above does not include the delay time of
the input filter.
The symbol "E
CM
channels.
This AI module can only be used with the station's number-of-
points setting set to 16.
If it is set to any other value (32 to 128), the module will not
function.
The module supports only the value 16.
Voltage input
2
Photocoupler (common to two channels)
0 to ±5 VDC
±6 V (including potential difference between channels)
12 (sign bit + 11 bits)
2,000 in digital value to 5 V
±0.3% full scale (ambient temperature from 20 to 25°C)
±0.6% full scale
6 + 3TRc ms or less (TRc: remote I/O transfer time)
6 + Rc ms or less (Rc: J.NET transfer time)
6.5 dB at 60 Hz; Time constant, 5 ms
5 MΩ or more (when power to the module is ON);
approx. 3 kΩ or more (when power to the module is OFF).
150 mA or less
40 mA or less
500 VAC, 1 minute (between external terminal and ground)
20-point terminal block connector (Connector screw type: M3)
2
0.5 to 1.25 mm
0.6 to 0.8 N·m
200 m (shielded twisted-pair cable)
340 g
+
S0
-
C0
SHD
+
S1
-
C1
SHD
Cubicle ground
" shown right is the potential difference between
Specification
Internal
LWA404
circuitry
Amplifier
A/D
2-28
LWA404
A.INPUT
DC±5V
S0
C0
SHD
S1
C1
SHD
GND
HITACHI
Internal
Process side
circuitry
S
E
C
S
E
CM
C
AI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20