Delta AH500 - Page 109

AH500 Hardware and Operation Manual
2-76
1. Setting a PROFIBUS node address
The address knobs of AH10PFBS-5A are used for setting the node address of AH10PFBS-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
Example: If users need to set the node address of AH10PFBS-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 AH10PFBS-5A when AH10PFBS-5A is not supplied with power,
they have to power AH10PFBS-5A after the node address of AH10PFBS-5A is set.
 If users change the node address of AH10PFBS-5A when AH10PFBS-5A is powered, the
change will not take effect immediately after the node address of AH10PFBS-5A is changed, and
it will take effect after the users cut off the power supplied to AH10PFBS-5A and then power
AH10PFBS-5A again.
 To prevent the address knobs on AH10PFBS-5A from being scratched, please carefully use a
slotted screwdriver to rotate the address knobs on AH10PFBS-5A.
2. Definitions of the pins in the PROFIBUS-DP port
Pin
PIN name
Description
1
--
N/C
2
--
N/C
3
RxD/TxD-P
Sending/receiving data (P (B))
4
--
N/C
5
DGND
Data reference potential (C)
6
VP
Supplying positive voltage
7
--
N/C
8
RxD/TxD-N
Sending/receiving data (N (A)
)
9
--
N/C
0
x16
1
x16
1
5
9
6