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Analog Output Specifications
Item
Specification
Voltage output Current output
Output range 0 to 10 V ---
Output conversion range 0 to 10.24 V ---
Allowable load resistance 2 kΩ min. ---
Output impedance 0.5 Ω max. ---
Resolution 1/4,000 (full scale) ---
Overall accuracy
25°C ±0.5% (full scale) ---
0 to 55°C ±1.0% (full scale) ---
Conversion time
Internal sampling time: 2 ms per point
*1
*1. Refer to the NX-series NX1P2 CPU Unit Built-in I/O and Option Board User’
s Manual (Cat. No. W579) for information
on refresh time.
Analog I/O Option Board (NX1W-MAB221)
ERR
OUT
VO1
VO2
COM
IN
VI1
I I1
VI2
I I2
COM
Analog output terminal block
Status indicator
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Status Indicator
Indicator Color Status Description
ERR Red Lit. An Option Board error (WDT) was detected by the self-diagnostic func-
tion.
Flashing. A communications error occurred between the Option Board and the
CPU Unit.
Not lit. Normal operation
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Analog I/O Terminal Array
Abbreviation Signal name
IN VI1 Voltage input 1
II1 Current input 1
VI2 Voltage input 2
II2 Current input 2
COM Input common
OUT VO1 Voltage output 1
VO2 Voltage output 2
COM Output common
3 Configuration Units
3-29
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
3-4 Analog I/O Option Board
3
3-4-3 Part Names and Functions