Delta AS Series - Specifications and Functions; Specifications

Chapter 3 Analog Input Module AS04/08AD-A
3- 3
3_
3.2 Specifications and Functions
3.2.1 Specifications
 Electrical specifications
Module Name AS04AD-A AS08AD-B AS08AD-C
Number of Inputs 4 8 8
Analog-to-Digital
Conversion
Voltage input/Current input Voltage input Current input
Supply Voltage 24 VDC (20.4 VDC–28.8 VDC) (-15% to +20%)
Connector Type Removable terminal block
Conversion Time 2ms/channel
Isolation
An analog circuit is isolated from a digital circuit by a digital integrated circuit/
optocoupler, but the analog channels are not isolated from one another.
Isolation between a digital circuit and a ground: 500 VDC
Isolation between an analog circuit and a ground: 500 VDC
Isolation between an analog circuit and a digital circuit: 500 VDC
Isolation between the 24 VDC and a ground: 500 VDC
Weight 145g
 Functional specifications
Analog-to-Digital
Conversion
Voltage Input
Rated Input Range -10 V ~ +10 V 0 V ~ 10 V ±5 V 0 V ~ 5 V 1 V ~ 5 V
Rated Conversion
Range
K-32000
~
K32000
K0
~
K32000
K-32000
~
K32000
K0
~
K32000
K0
~
K32000
Hardware Input Limit*
1
-10.12V
~
10.12V
-0.12V
~
10.12V
-5.06V
~
5.06V
-0.06V
~
5.06V
0.95V
~
5.05V
Conversion Limit*
2
K-32384
~
K32384
K-384
~
K32384
K-32384
~
K32384
K-384
~
K32384
K-384
~
K32384
Error Rate Room Temperature: ±0.2% ; Full Temperature Range: ±0.5%
Hardware Resolution 16 bits
Input Impedance 2MΩ
Absolute Input
Range*
3
±15 V