GWY-500-B Features
Doc No: UMAN\GWY-500-B\0106
REVISION 4
23
Note on Gateway Profibus drivers:
Gateway Profibus driver uses 200 words of internal memory (100 words for input and 100 words for output) as per profibus
specification.
This memory is divided into two parts, Input Area and Outptut Area. The first word of Input area is I000 and the first word of
Output area is O000. Pofibus master writes data in Output Area and reads the data from Input Area. With Gateway project
it is possible for serial devices to read the data from Output Area and also they can write the data in Input Area.
This memory is shared memory for Profibus master devices and Gateway firmware system as shown bellow.
Gateway
(Firmware System)
Any
Serial
Driver
COM2
(Profibus slave driver)
COM1
100 words Input
100 words Output
3K Internal Database
Memory
Gateway firmware system and external profibus master both act as a master on this memory.
Though Gateway Profibus driver is slave with respect to external profibus master device, Gateway firmware system as-
sumes this driver as a master driver as it is master to 200 words internal memory.
Summary of Contents for GWY-500
Page 1: ...GWY 500 Profibus Gateway USER S MANUAL ...
Page 31: ...GWY 500 B Features Doc No UMAN GWY 500 B 0106 REVISION 4 26 ...
Page 58: ...Creating Project 53 Doc No UMAN GWY 500 B 0106 REVISION 4 ...
Page 62: ...Creating Project 57 Doc No UMAN GWY 500 B 0106 REVISION 4 ...
Page 64: ...Creating Project 59 Doc No UMAN GWY 500 B 0106 REVISION 4 ...
Page 73: ...Creating Project 68 Doc No UMAN GWY 500 B 0106 REVISION 4 1 ...