Festo EasyPort USB Manual De Instrucciones página 141

9. EasyPort USB command interpreter
Command Response
DS S=xx
Initialisation and diagnostics (continued)
© Festo Didactic GmbH & Co. KG „ 721876
Description and example
Read out status word
The status word of an EasyPort USB module is returned as hexadecimal
value xx.
Meanings:
Bit 7 Bit 6 Bit 5
Display Up
Bit 0 = 1 Output driver error
Bit 1 = 1 Module initialised
Bit 2 = 1 Input voltage range
Bit 2 = 0 Input voltage range
Bit 3 = 1 Output voltage range
Bit 3 = 0 Output voltage range
 button pressed
Bit 4 = 1
 button pressed
Bit 5 = 1
Bit 6 = 1 All display segments are activated.
Bit 6 = 0 The normal display is activated
Example
Command Response
DS S = 12
Bit 4 Bit 3 Bit 2
Down Out In
-10...+10 V DC
0...10 V DC
-10...+10 V DC
0...10 V DC
Description
A value of 12 hexadecimal or
18 decimal is returned.
This means: bit 1 = 1 and bit 4 = 1.
The EasyPort USB module is correctly
initialised, input and output voltage
have been set to 0...10 V, the
 button is pressed and the
normal display is activated.
Bit 1 Bit 0
Setup Error
141