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3. AIAO Units
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3.2.3 ELCM-AN06AANN
3.2.3.1 Analog Input/Output Module
In industrial automation, many control signals are analog signals. The most frequently used
analog signals are voltage -10V ~ 10V and current 0 ~ 20mA. Data in ELC controllers can be
converted into analog signals for controlling analog devices via analog input/output modules like
the ELCM-AN06AANN.
For example, the data range -32,000 ~ 32,000 in the ELC controller is converted into -10V ~ 10V
by one of these analog outputs on this module. The output voltage can therefore be used to
control any standard analog device. Analog inputs can be used to monitor the operation of any
device with an analog output.
3.2.3.2 Introduction
ELCM-AN06AANN combination analog input/output module contains 4 analog inputs (voltage or
current) and 2 analog outputs (voltage or current). The data in the module can be accessed by
the controller via FROM/TO instructions or by reading the average value or writing the output
value for all channels directly by using MOV instructions (Refer to special registers D9900 ~
D9999).
3.2.3.3 Specification
Functions Specification
ELCM-AN06AANN
Analog/Digital (A/D)
Voltage input
Current input
Power supply voltage
24 VDC (20.4VDC ~ 28.8VDC) (-15% ~ +20%)
Connector
European standard fixed terminal block (Hole diameter: 5mm)
Analog input channel
4 channels
Range of analog input
±10V
±5V
±20mA
0~20mA
4~20mA
Range of digital
conversion
±32,000 ±32,000 ±32,000 0~32,000
0~32,000
Max./Min. output range
of digital data
±32,384 ±32,384 ±32,384 -384~+32,384
-384~+32,38
4
Resolution
14 bits
20V/64000
14 bits
10V/64000
14 bits
40mA/64000
14 bits
20mA/32000
14 bits
16mA/32000
Input impedance
> 200 K
Ω
250
Ω
Overall accuracy
±
0.5% when in full scale (25°C, 77°F)
±
1% when in full scale within the range of 0 ~ 55°C (32 ~ 131°F)
Response time
3 ms / all channels
Isolation
Optical coupler isolation between digital circuits and analog circuits. No isolation
among analog channels.
500VDC between digital circuits and Ground
500VDC between analog circuits and Ground
500VDC between analog circuits and digital circuits
500VDC between 24VDC and Ground
Range of absolute input ±15V
±32mA
Содержание ELCM Series
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