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Address switch
SW (ADDRESS: 7)
Device address
Hardware
Software
SW (ADDRESS: 0-6)
Hardware address can be set from 1 to 127.
e.g.: If only address switch "6" is set to 1, the resulting address is 64.
(1 * 2
Address has to be set always between 1 and 127. If address switch is set to 0, address is
automatically converted to 1.
When hardware switch is active, then address value based on the hardware address is
stored in the device.
Line termination of two ends on the bus are required to communicate Modbus. One
SW2
termination mode can be selected by SW2, see below table for setting.
Termination mode
Bus end
Not bus end
Both SW2-1 and SW2-2 have to be set at the same position.
When bus is idle state, it becomes unstable in potential without pull up to D1 and pull
SW3
down to D0. SW3 can be set, see below table for setting.
Pull up and Pull down mode Configuration of Pull up and Pull down
Used
Not used
Both SW3-1 and SW3-2 have to be set at the same position.
15.4.3 PROFIBUS PA hardware setting
15.4.3.1 Access to Hardware DIP switches
1. Switch off power supply.
Open the front cover
2. Loosen the locking screw by turning it clockwise with an Allen wrench (size: 3.0).
Position
1
0
+ 0 * 2
+ 0 * 2
+ 0 * 2
6
5
4
3
System configuration and operation
Description
Address SW" settings between position 0 and 6 are the
device address.
Parameter value setting is the device address.
Factory setting
+ 0 * 2
+ 0 * 2
+ 0 * 2
)
2
1
0
Configuration
Available when both SW2-1 and SW2-2 are "ON"
(Resistance is 150 Ω)
Available when both SW2-1 and SW2-2 are "OFF"
Available when both SW3-1 and SW3-2 are "ON"
(Resistance is 600 Ω)
Available when both SW3-1 and SW3-2 are "OFF"
A5E52748387-AA, 2023/09
FC7x0
139 / 180
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