User's Manual l STK-MBa53 UM 100 l © 2013 TQ-Group
Page 33
The characteristics of the galvanic separation are shown in the following table.
Table 45:
Characteristics of the galvanic separation for RS485
Parameter
Min.
Typ.
Max.
Unit
Dielectric strength
–
–
tbd
V
Isolation distance auf inner layers
1.2
–
–
mm
Isolation distance auf outer layers
1.7
–
–
mm
Illustration 28: Position of pin header X2
Table 46:
Pin headers connector X2
Manufacturer / number
Description
Phoenix Contact / MCV 1,5/ 4-G-3,5
•
4-pin header
•
160 V / 8 A
•
Pitch: 3.5 mm
•
–40 °C to +100 °C
Table 47:
Pin assignment RS485 connector X2
Pin
Pin name / signal
Dir.
Remark
1
RS485_A
I
Non-inverted input, galvanically separated
2
RS485_B
I
Inverted input, galvanically separated
3
RS485_Y
O
Non-inverted output, galvanically separated
4
RS485_Z
O
Inverted output, galvanically separated
Pin 1
