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Kendrion Kuhnke Automation GmbH
AI4-I
105
11/25/2016
4.19.2.3 LED "Power"
The LED labeled "Power" indicates the state of the I/O module's I/O power supply.
4.19.2.4 LEDs "Channel"
The LEDs labeled "Channel" indicate the state of the
respective channel
.
State
LED flash code Explanation
On
Green, on
Channel enabled
Off
Off
Channel disabled
Additionally, in the CoE variant (694 441 51 Kuhnke FIO AI4-I 12Bit)
Fault
Red, 1x
Current > 20,5mA
Red, 2x
Current < 3,5mA (4..20mA Mode)
4.19.3 Function
The module AI4-I has 4 analog inputs for current signals. The measuring range of each channel can be set
separately to 0..20 mA or 4..20 mA.
4.19.3.1 Analog inputs
Check the following variable for the digitized input values:
Variable
Data type Explanation
Channel_n
INT
Value measured on channel n (n= 0…3)
4.19.3.2 Measuring value
The maximal measuring value (0xFFF0) of the current input module is 0,5V/23,4
Ω = 21,3675mA.
The status is shown by the channel LED.
Figure 53: Measuring values, Variable values, Status