Kendrion Kuhnke FIO AI4, Instruction Manual

Page: 140 / 195

AI 4-I Kendrion Kuhnke Automation GmbH
140 (E 747GB-V2)
28. January 2020
State LED flash code Explanation
Defective Red, on Module defective
LED "Power"
The LED labelled "Power" indicates the state of the power supplied to the I/O module's I/O sensors.
State LED flash code Explanation
On Green, on 24 VDC supply ok
Off Off 24 VDC supply not ok
LEDs "Channel"
The "Channel" LEDs indicate the state of every channel.
State LED flash code Explanation
On Green, on Channel enabled
Off Off Channel disabled
Added to the CoE variant (694 441 51 Kuhnke FIO AI4-I 12-Bit)
Error
Red, 1x Current > 20.5 mA
Red, 2x Current < 3.5 mA (4..20 mA mode)
Function
The AI4-I module has four analogue current signal inputs. Their measuring range can be set separately for
every channel, i.e. either to 0..20mA or to 4..20mA.
Analogue Inputs
Check the following variable for the digitised input values:
Variable Data type Explanation
AnalogInputn INT
Value measured on channel n (n= 0…3)
Measured value
Table "0-20 mA current mode"
Current [mA] Value [hex]
0 0x0
10 0x7FFF
20 0xFFFF
Table "4-20 mA current mode"
Current [mA] Value [hex]
4 0x0
12 0x7FFF
20 0xFFFF