MOTION CONTROL 777978-VM !!! --- sales3@amikon.cn
Contact: Jessica
Email: sales3@amikon.cn
Skype: jessica01235483
Wechat: hu18030235311
Mobile: 86-18030235311(WhatsApp)
Another method of increasing the number of RS-485 nodes is to use
low (fractional) unit load type RS-485 receivers. These receivers use a
higher input impedance to reduce the load on the RS-485 drivers to
increase the total number of nodes. There are currently half, quarter
and eighth unit load integrated circuit receivers available, extending
the total allowable number of nodes to 64 and 128.
MOTION CONTROL 777978-VM
777978-VM | MOTION CONTROL | CONTROL Card
sales3@amikon.cn
The EIA-422 specification recommends 24 AWG twisted pair cable with
a shunt capacitance of 16 pF per foot and 100 ohm characteristic
impedance.
While the EIA-485 standard does not specify cabling, the
EIA-422 specification should be used for RS-485 as well.
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Emal:sales3@amikon.cn
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