ABB AC 31 - Analog Outputs Diagrams; Current 0-20 Ma; Current 4-20 Ma

Technical specifications
ABB Control - AC 31 Page 3-25
1SBC 260400 R1001-b 06.99
6.5. Analog outputs diagrams:
6.5.1. Current 0-20mA:
20mA
10mA
-20mA
-32768
0
16384 32767
6.5.2. Current 4-20mA:
20mA
12mA
-20mA
-32768 0
4mA
16384 32767
Voltage output +/- 10 V:
1 LSB = 10 / 2
11
= 4,88 mV with minimum value ( step 8 )
V ( in volt ) = Value x (10 / 32767) with value ( - 32767 ≤ X ≤ + 32767 )
Current output 0-20 mA:
1 LSB = 20.10
-3
/ 2
12
= 4,88 µA with minimum value ( step 8 )
I ( in mA ) = Value x (20.10
-3
/ 32767) with value ( 0 ≤ X ≤ - 32767 )
Current output 4-20 mA:
Resolution is equal to 0-20 mA
I ( in mA ) = Value x (16 / 32767) + 4 with value (0 ≤ X ≤ - 32767 )