Switch-B - ABB ACS800 Application Manual

SR Type
Illustration
Operation
Connections

SWITCH-B

Type
Illustration
Operation
Connections
Logical function
SR
I1
I2
O
I3
Set/reset block. Input I1 sets and I2 and I3 reset the output.
- If I1, I2 and I3 are false, the current value remains at the output.
- If I1 is true and I2 and I3 are false, the output is true.
- If I2 or I3 is true, the output is false.
I1 I2 I3 O (binary)
0 0 0 Output
0 0 1 False (All bits 0)
0 1 0 False (All bits 0)
0 1 1 False (All bits 0)
1 0 0 True (All bits 1)
1 0 1 False (All bits 0)
1 1 0 False (All bits 0)
1 1 1 False (All bits 0)
Input I1, I2 and I3: Boolean values
Output (O): 24 bit integer value (23 bits + sign)
Logical function
SWITCH-B
I1
I2
O
I3
The output is equal to input I2 if input I1 is true and equal to input I3 if input I1 is
false.
I1 I2 I3 O
0 I2 I3 I3
1 I2 I3 I2
Input I1, I2 and I3: Boolean values
Output (O): 24 bit integer value (packed boolean)
O (value on display)
Output
0
0
0
-1
0
0
0
O (value on display)
True = -1
False = 0
Function blocks
27