Delta AH500 series Manual Page 218

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Chapter 5 Wiring
5-60
5.9.2 Wiring AHRTU-PFBS-5A
5.9.2.1 Connecting the PROFIBUS-DP Connector
Insert the PROFIBUS-DP connector into the communication port on AHRTU-PFBS-5A. Tighten the screws
on the PROFIBUS-DP connector to ensure that AHRTU-PFBS-5A is reliably connected to the
PROFIBUS-DP connector.
5.9.2.2 Definitions of the Pins in the PROFIBUS-
DP Port
Pin Definition Description
1 -- N/C
2 -- N/C
3 RxD/TxD-P Receiving/Sending data (P (B))
4 -- N/C
5 DGND Data reference potential (C)
6 VP Supplying positive voltage (5 V)
7 -- N/C
8 RxD/TxD-N Receiving/Sending data (N (A))
9 -- N/C
1
5
9
6
5.9.2.3 Setting a PROFIBUS Node Address by the Knobs
The address knobs on AHRTU-PFBS-5A are used to set the node address of AHRTU-PFBS-5A on a
PROFIBUS-DP network. They are knobs which can be turned. One knob corresponds to x16
0
, and the other
node corresponds to x16
1
. Setting range: 0~F
Address Definition
H’1~H’7D Valid PROFIBUS node address
H’0 or H’7E~H’FF Invalid PROFIBUS node address
0
x16
1
x16
Example: If the node address of AHRTU-PFBS-5A is 26 (decimal value), users have to turn the knob
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