AI 8-I
Kendrion Kuhnke Automation GmbH
182
17 May 2021
State
LED flash code
Explanation
Inoperative if E-bus LED = Off
Red, 4x
EtherCAT watchdog control
Red, 7x
Configuration error (E-bus pre-operational), no. of
process data differs from that in the module
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
Current > 20.5 mA
Current < 3.5 mA (4..20 mA mode)
Function
The AI8-I module has eight 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…7)
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
