Delta AH500 series Manual Page 143

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AH500 Hardware Manual
3-99
2. Definitions of the pins in the PROFIBUS-DP port
PIN PIN name 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 Supply positive voltage
7 -- N/C
8 RxD/TxD-N Receiving/Sending data (N (A))
9 -- N/C
1
5
9
6
3. Setting a PROFIBUS node address by means of the address knobs
The address knobs of AHRTU-PFBS-5A are used for setting the node address of AHRTU-PFBS-5A
on a PROFIBUS-DP network. There are two address knobs. They are a knob corresponding to x16
0
,
and a knob corresponding to x16
1
.
The range for one address knob is 0~F.
The range for setting the node address is described below.
Address Definition
H’1~H’7D Valid PROFIBUS address
H’0 or H’7E~H’FF Invalid PROFIBUS address
0
x16
1
x16
Example: If users need to set the node address of AHRTU-PFBS-5A to 26 (decimal value), they have
to turn the knob corresponding to x16
1
to “1” and the knob corresponding to x16
0
to “A”.
26 (decimal value)=1A (hexadecimal value)=1x16
1
+Ax16
0
.
Points for attention:
If users set the node address of AHRTU-PFBS-5A when AHRTU-PFBS-5A is not supplied with
power, they have to power AHRTU-PFBS-5A after the node address of AHRTU-PFBS-5A is set.
If users change the node address of AHRTU-PFBS-5A when AHRTU-PFBS-5A is powered, the
change will not take effect immediately after the node address of AHRTU-PFBS-5A is changed,
and it will take effect after the users cut off the power supplied to AHRTU-PFBS-5A and then
power AHRTU-PFBS-5A again.
To prevent the address knobs on AHRTU-PFBS-5A from being scratched, please carefully use a
slotted screwdriver to rotate the address knobs on AHRTU-PFBS-5A.
3.10.3 Dimensions
AHRTU-DNET-5A
x10
x10
Node Address
DR 1
DR 0
IN 1
IN 0
110
40
6
103
Unit: mm
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