Installation
POLARIS BASIC - for Zone 1/21
POLARIS Panel PCs 5.7" / 10.4" / 12.1"
EN 26/45
Technical data subject to change.
06/2017
Pins 19-23, 20-24, 21-25, 22-26 are already connected inside.
Setting of the terminal resistors at the start and end of the bus line is not necessary in
most cases due to internal EMC measu
res. Depending on local circumstances, the
data transmission may worsen in individual cases.
The appropriate pin assignment of the controller can be found in the manufacturer’s
interface description.
RS485 connection mode (semi duplex)
Maximum length of the data line 1,000 m.
BARTEC delivers all RS485 interfaces as RS422.
If the RS422 interface is used as RS485, external bridges must be placed between pin
23/pin 25 and between pin 24/pin 26.
Pins 19-23, 20-24, 21-25, 22-26 are already internally connected.
Setting of the terminal resistors at the start and end of the bus line is not necessary in
most cases due to internal EMC measures.
Depending on local circumstances, the data transmission may worsen in individual
cases.
See the interface descri
ption from the controller manufacturer for the relevant pin
assignment of the controller.
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