Representation of analog values   
B.1 Representation of analog values 
  Analog input module F-AI 4xI 0(4)..20mA 2-/4-wire HF (6ES7136-6AA00-0CA1) 
72  Manual, 08/2018, A5E41448857-AB 
 
Representation of analog values 
The following tables list the decimal and hexadecimal values (codes) of the possible current 
measuring ranges. 
Table B- 2  Current measuring range 0 to 20 mA 
32512  7F00
H
  > 23.518 mA  Overflow
2
 
32511 
. 
. 
7EFF
H
 
. 
. 
H
23.518 mA 
. 
. 
Overrange 
27648 
. 
. 
6C00
H
 
. 
. 
20 mA 
. 
. 
Nominal range 
613 
. 
. 
1 
265
H
 
. 
. 
1
H
 
H
< 0.4442 mA 
. 
. 
723.4 nA 
Wire break
1
 
  The F-module signals a wire break, 7FFF
H
 for S7-300/400 F-CPUs or 0 for S7-1200/1500 F-CPUs. 
  In 
STEP 7 Safety
, the fail-safe value 0 is provided in place of 7FFF
H
 (for overflow) in the PII for the