EUCHNER AS-i 3.0 PROFIBUS Gateway with integrated Safety Monitor for 2 AS-i circuits - Manual (Page 119)

AS-i 3.0 PROFIBUS Gateway with integrated Safety Monitor
PROFIBUS DP
Subject to reasonable modifications due to technical advances Id.-No.: 103329 Issue date - 24.10.2008 EUCHNER GmbH + Co. KG 119
Kohlhammerstraße 16 • D-70771 Leinfelden-Echterdingen Tel. +49/711/75 97-0 • Fax. +49/711/753316
11. PROFIBUS DP
This chapter contains all necessary information to operate the AS-i/PROFIBUS
gateways as part of a PROFIBUS DP network.
11.1 DP telegrams
11.1.1 Diagnostics
The following blocks may be optionally appended to the DP diagnostics. Bytes
1 … 4 are sent in each block according to the PROFIBUS standard.
Only when double masters are used is the entry „circuit 2“ available in the AS-i
flags, delta list and LPF.
DP diagnostics
Byte
description
1
station state 1
2
station state 2
3
station state 3
4
Master address
5
ident high
6
ident low
Tab. 11-4.
AS-i flags
Byte
description
1
0x06 header
2
0xA0 (circuit 1)/0xA1 (circuit 2) type
3
0x00 slot
4
0x00 spec
5
EC flags (high)
6
EC flags (low)
Tab. 11-5.
Delta list
Byte
description
1
0x0C header
2
0xA2 (circuit 1)/0xA3 (circuit 2) type
3
0x00 slot
4
0x00 spec
5
delta (0 … 7)
Tab. 11-6.