Expert
Logger
Pin assignment 9-pole Sub-D socket
Pin
Housing Shield
1
2
3
4
5
6
7
8
9
No galvanic isolation between CAN1 and COM1 or CAN2 and
COM2.
CANHL/CANH have an integrated terminating resistor of 120 Ω.
COM3
Pin assignment 9-pole Sub-D plug
Pin
Housing Shield
1
2
Delphin Technology AG
Description COM1/2 RS-485
Signal
Shield / protective ground, refer to
Shield
Shield / protective ground, refer to
CANL
—
RxD/TxD-
Receive/transmit data-Plus
P/B
(RS-485)
Control signal for repeaters
RTS
(TTL)
GND/C
Data reference potential/mass
VP
Supply voltage/Plus (5 V)
CANH
—
RxD/TxD-
Receive/transmit data-Minus
N/A
(RS-485)
—
Not connected
Description COM3 DIN 41 652, Part 1
Signal
Shield / protective ground, refer to
DCD
Received signal level, Data Carrier Detect (RS-232)
RxD
Receive Data (RS-232)
(IEC 61158)
(ISO 4902)
24
Description
CAN1/2
(CiA DS102-1)
Earthing
Earthing
CAN bus low
—
—
—
—
CAN bus high
—
Earthing
Expert
Logger
Manual
Januar 2018
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