Delta AH500 series Manual download pdf (Page 106)

Chapter 3 Specifications for Products

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

, and a

knob corresponding to x16

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

x16

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

to “1”, and the knob corresponding to x16

to “A”.

26 (decimal value)=1A (hexadecimal value)=1x16

+Ax16

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))

N/C

9 --

3-62

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Delta AH500 series Manual Page 106