Yaskawa 120 Series I/O Modules - Manual (Page 149)

4 Analog I/O Specifications
4.1.1 Analog Input Modules ( ±10 V, 4 channels)
4-2
4.1 Analog Input Specifications
4.1.1 Analog Input Modules ( ±10 V, 4 channels) - - - - - - - - - - - - - - - - - - - - 4-2
4.1.2 Analog Input Modules (0 to 10 V, 4 channels) - - - - - - - - - - - - - - - - - 4-8
4.1.3 Analog Input Modules (4 to 20-mA, 4 channels) - - - - - - - - - - - - - - - 4-14
4.1.1 Analog Input Modules ( ±10 V, 4 channels)
1) Performance Specifications
This section describes performance specifications, circuit configuration, external
connections, and appearance of the 120-series Analog Input Modules.
Item Specification
Name Analog Input Module ( ±10 V, 4 channels)
Model Name A/D-VOL-4CH
Model No. JAMSC-120AVI02000
Input Signal Range -10 to 10 V
Special Input None
Number of Input Channels 4 channels, isolated in common
Input Impedance 1 M Ω min
Maximum Allowable Overload -25 to 25 V
Digital Resolution 12 bits
Data Format 1) Two modes available, set by allocation
0-4000 mode/ ±2000 mode
2) Range of numerical values for each mode is as follows:
0-4000 mode: Binary, 0 to +4000
±2000 mode: 2’s complement, -2000 to +2000
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 is 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 overrange is detected
CH1 to CH4: The corresponding LED is lit when overrange 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. at 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 mA max. at 5 VDC