Deutschmann Automation GmbH & Co. KG
®
UNIGATE
sendet über RS232/485 Response:
[01] [01] [07] [01] [02] [03] [04] [05] [06] [07] [6b] [c5]
Darstellung der Daten im Modbus Master (FC1):
Beispiel: StartAdress 0008, Length 80, FC2 (Read Input Status)
[01] [02] [00] [07] [00] [50] [c9] [f7]
®
UNIGATE
sendet über RS232/485 Response:
[01] [02] [0a] [02] [03] [04] [05] [06] [07] [08] [00] [00] [00] [8f] [7a]
8.7.1.2
Beispiel: FC3 (Read Holding Register) + FC4 (Read Input Register)
Feldbus sendet zum UNIGATE
00 30 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 20 20 20...
(Konfiguration ist diesmal mit „Data exchange = On Trigger", also mit zusätzlichem 1. Steuerbyte
in den Feldbusdaten).
„Fieldbus lenghtbyte = active", in diesem Beispiel 30h (48d), das UNIGATE
genden 48 Byte vom Feldbus in den internen Speicher.
Angeschlossener Modbus Master sendet Request an die RS232/484 Seite des UNIGATE
[01] [03] [00] [00] [00] [14] [45] [c5]
®
UNIGATE
sendet über RS232/485 Response:
[01] [03] [28] [02] [03] [04] [05] [06] [07] [08] [09] [0a] [0b] [0c] [0d] [0e] [0f] [10] [11] [12] [13] [14]...
... [15] [16] [17] [18] [19] [1a]
Darstellung der Prozessdaten im Modbus Master:
14.1.20
UNIGATE
®
®
Feldbus-Gateway UNIGATE
Implementierte Protokolle im UNIGATE® MB
®
MB - DeviceNet™ V. 1.6
®
kopiert somit die fol-
®
27