10.3 Bus address
Every instrument is assigned a unique bus
address:
➜ set address (1 to 126) at switches 1-7
➜ Set switch 8 to OFF:
The address set on the DIL switches 1-7
is valid.
➜ Set switch 8 to ON: (default)
The address set in the control menu or via
the interface is valid.
Setting the PROFIBUS
®
address (menu
selection):
• Param (Specialist)
• Instrument data
• System configuration
• General settings
General settings ➜ PROFIBUS
®
address
(default 126)
Address examples
Factory setting
Software address (SW)
(default: 126
d
)
(Hardware setting is ignored!)
Software address
(default: 126
d
)
(Hardware setting 2d is ignored!)
Hardware address (HW)
Address: 2
d
Hardware address
Address: 6
d
Hardware address
Address: 64
d
Software address
Address: 126
d
(default after switch-over
from HW to SW)
1
OFF
Logic "0"
Logic "1"
2345678
HW
SW
Bit
0123456
profi1_e.cdr
Fig. 10.2
Detail of PROFIBUS
®
card
in Mycom with view of
address 126 (software
address in factory setting)
123 456 78
"1"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
SW
HW
SW
HW
SW
HW
SW
HW
SW
HW
W
HW
OFF
Bit
012 345 6
123 456 78
OFF
Bit
012 345 6
123 456 78
OFF
Bit
012 345 6
123 456 78
OFF
Bit
012 345 6
123 456 78
OFF
Bit
012 345 6
123 456 78
OFF
Bit
012 345 6
PROFIBUS
®
interface Mycom CLM 152
64 Endress+Hauser