Host Interface
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COM-C | Communication Module
DOC021001DG12EN | Revision 12 | English | 2011-06 | Released | Public
© Hilscher, 2002-2011
3.3 Signal Overview and Pinning of the Fieldbus Connector
X2 on COM-CN
3.3.1
Fieldbus Connector X2 for AS-Interface-Master
Fieldbus connector X2 for COM-CN-ASM
Pin
Signal
Symbol
Type
Pin at Fieldbus
Connector
COMBICON
2pin
1
2
3
4
5
6
7
8
9
10
AS-i, Receive Data
ASI_RX
LVTTL Input
Note 1
11
AS-i, Power Fail
ASI_PF
LVTTL Output
Note 1
12
AS-i, Transmit Data
ASI_TX
LVTTL Output
Note 1
13
COM-LED, STA, Cathode yellow LED
STA#
4 mA Output
14
SYS-LED, RUN, Cathode green LED
RUN#
4 mA Output
15
COM-LED, ERR, Cathode red LED
ERR#
4 mA Output
16
SYS-LED, RDY, Cathode yellow LED
RDY#
4 mA Output
17 Ground
GND
18
Power Supply
+3.3 V
19
Peripheral IO
PIO
LVTTL Input / Output
20
Don't use - needed for isolation
21
Don't use - needed for isolation
22
23
24
25
26
27
28
29
AS-i + Bus line
AS-i+
+24 V with AS-i
1
30
AS-i - Bus line
AS-i-
0 V with AS-i
2
Table 12: Fieldbus Connector X2 for AS-Interface-Master
Note
Information
1
LVTTL Signals could be only used without the hardware interface on the COM. Ask for special customer ver-
sion.
Table 13: Notes for Fieldbus Connector X2 for AS-Interface-Master
