Siemens SIMATIC NET PROFIBUS ユーザーズマニュアル

C-15

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

Table C-1

Cabling Within Buildings 

Bus signals, shielded
(PROFIBUS, Industrial Ethernet)

Bus signals, unshielded
(AS-Interface)

Bus signals, shielded
(PROFIBUS, Industrial Ethernet)

Bus signals, unshielded
(AS-Interface)

Data signal, shielded
(PG, OP, printer, counter inputs
etc.)

Analog signals, shielded

DC voltage
(

v

 60 V), unshielded

Process signals
(

v

 25 V), shielded

AC voltage
(

v

 25 V), unshielded

Monitors (coaxial cable)

In common bundles or cable
channels

DC voltage
(

u

 60 V and 

v

 400 V),

unshielded

AC voltage
(

u

 25 V and 

v

 400 V),

unshielded

In separate bundles or cable
channels (no minimum clearance
required)

DC and AC voltage
(

u

 400 V), unshielded

In separate bundles or cable
channels (no minimum clearance
required)

On separate cable paths with at
least 10 cm clearance