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16 (48)
Pin
Signal
Name
Type
Notes
51
RX
I
Receive Input for Modbus communication
•
Direction: Host application -> Anybus CompactCom
•
Idle state = High
52
TX / OM3
I/O
Transmit Output for Modbus communication
•
Direction: Anybus CompactCom -> Host application
•
Idle state = High
This pin doubles as OM3 strapping input on Anybus CompactCom. Connect a pull-
down resistor on the application for this pin in Modbus serial mode. The pull-down
resistor shall have a value between 1 kΩand 2.2 kΩ.
32
OM0
I
Set [OM2, OM1, OM0] to [0,1,1]
For more information see
.
33
OM1
I
35
OM2
I
54
MI0
O
Low at power-up and before reset release.
See
Please not that this pin can be used as SYNC pin PROFINET. Used at conformance
testing.
53
MI1
O
Tied to 3V
See
30
MD0
O
Tied to GND
See
3
RESET
I
See
4.1.2
Power Supply Pins
Signal
Type
Pin
Description
GND
Power
2, 8, 14, 18, 24,
28, 34, 40, 44,
50, 56
Ground
Power and signal ground reference.
3V3
Power
1, 55
3.3 V power supply.
Anybus
®
CompactCom
™
B40 Modbus Serial User Manual
SCM-1202-130 1.1 en-US