InBio160/260/460 Pro Access Control Panel
User Manual
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Connection with Readers
3.6
The Control panel supports RS485 reader and Wiegand reader.
Connection with RS485 readers
The InBio160 Pro can connect two RS485 readers in the one-door two-way mode. The InBio260 Pro
provides four readers, which can be connected in the two-door two-way mode. The InBio460 Pro provides
four readers, which can be connected in the two-door two-way or four-door two-way mode.
RS485 reader connection: Set the RS485 address (device number) of the reader by DIP switch or other ways.
Figure 3-4
Connection between inBio460 Pro and RS485 Readers
A single EXT RS485 interface can supply for maximum 750 mA (12V) current. So the entire current consumption
should be less than this max value when the readers share power with the panel. For calculation, please use
max current of the reader, and starting current is usually more than twice of the normal work current, please
consider this situation.
Using the KR502M-RS card reader as an example, the standby current is less than 80mA, the max current is less
than 90mA. When starting the device, Instantaneous current can reach for 180 mA. For RS485 reader,
RS485
address
Control Panel
1
2
3
4
5
6
7
8
InBio160 Pro
#1Door
IN
#1Door
OUT
InBio260 Pro
#1Door
IN
#1Door
OUT
#2Door
IN
#2Door
OUT
InBio460 Pro
#1Door
IN
#1Door
OUT
#2Door
IN
#2Door
OUT
#3Door
IN
#3Door
OUT
#4Door
IN
#5Door
OUT
