Yaskawa 120 Series I/O Modules - Manual (Page 161)

4 Analog I/O Specifications
4.1.3 Analog Input Modules (4 to 20-mA, 4 channels)
4-14
4.1.3 Analog Input Modules (4 to 20-mA, 4 channels)
1) Performance Specifications
* Overrange is detected when 20.48 mA < Channel input signal or
Channel input signal < 2.0 mA
Item Specification
Name Analog Input Module (4 to 20-mA, 4 CH)
Model Name A/D-CUR-4CH
Model No. JAMSC-120AC102000
input Signal Range Using either Current Input or Voltage Input by changing ter-
minal connections.
1) Current Input: 4 to 20 mA
2) Voltage Input: 1 to 5 V
Special Input None
Number of Input Channels 4 channels, isolated in common
Input Impedance Current Input: 250 Ω
Voltage Input: 1 M Ω min.
Maximum Allowable Overload Current Input: -100 to +100 mA
Voltage Input: -25 to +25 V
Digital Resolution 12 bits
Data Format Binary, 0 to 4000
Errors ±0.5% F.S. (25 °C)
±1.0% F.S. (0 to 60 °C)
Input Delay Time 4 ms max.
Sampling Interval Input data are renewed for every scan by CPU
Input Filter Characteristics 3 ms max.
Number of Allocated Words 5 words/Module
Maintenance/Diagnosis Functions Watchdog timer (timeout: 262 ms)
External Connections Removable terminal block with M3 screw terminals
Status Indication RDY: Lights when Module is normal
ACT: Lights during input processing
ERR: Lights when an overrange is detected
CH1 to CH4: The corresponding LED is lit when an over-
range is detected for the channel.*
Insulation Method Photocoupler
Dielectric Strength 1,500 VAC for one minute between input terminals (con-
nected together) and internal circuits.
No insulation between input channels
Insulation Resistance 100 M Ω min. an room temperature and humidity between
input terminals and ground (measured with a 500-VDC test
voltage megohmmeter).
External Power Supply Not needed
Internal Current Consumption 450 max. at 5 VDC
Maximum Heating Value 2.3 W
Hot Swapping
(Removal/insertion under power) Permitted
Approximate Mass 300 g
External Dimensions 40.3 ×130×103.9 mm (W×H×D)
Recommended Cable Shielded twisted-pair wires
1.3 mm
2 (AWG16) to 0.5 mm 2 (AWG20)