Difference between revisions of "SimpleMotion V2 port"
From Granite Devices Knowledge Wiki
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(Created page with "SimpleMotion V2 communication link and Argon drives use [http://en.wikipedia.org/wiki/Modular_connector#8P8C RJ45] connectors and cables as physica...") |
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| + | [[File:Ethernet_RJ45_connector_p1160054.jpg|thumb|RJ45 cable compatible with Ethernet and SimpleMotion V2]] | ||
[[SimpleMotion V2]] communication link and [[Argon (servo drive)|Argon]] drives use [http://en.wikipedia.org/wiki/Modular_connector#8P8C RJ45] connectors and cables as physical connection standard. | [[SimpleMotion V2]] communication link and [[Argon (servo drive)|Argon]] drives use [http://en.wikipedia.org/wiki/Modular_connector#8P8C RJ45] connectors and cables as physical connection standard. | ||
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* High data rates and long cable lengths possible | * High data rates and long cable lengths possible | ||
* Easy to interface even from smallest microcontrollers with [[Wikipedia:Universal_asynchronous_receiver/transmitter|UART]] | * Easy to interface even from smallest microcontrollers with [[Wikipedia:Universal_asynchronous_receiver/transmitter|UART]] | ||
| + | ==Use as E-stop input== | ||
| + | [[File:multidrop_estop.png|thumb|left|SM V2 multidrop bus with E-stop functionality]]In Argon drive, the same connector acts also as emergencecy stop or [[Safe torque off]] input. User may connect a e-stop button directly at the end of device chain to gain reliable stopping mechanism for all linked devices. | ||
==Connector pinout== | ==Connector pinout== | ||
[[File:RJ-45_TIA-568A_Left.png|RJ45 cable pinout|thumb]] | [[File:RJ-45_TIA-568A_Left.png|RJ45 cable pinout|thumb]] | ||
Revision as of 21:13, 13 December 2012
SimpleMotion V2 communication link and Argon drives use RJ45 connectors and cables as physical connection standard.
RJ45 is well known from Ethernet connectors and same cables may be used with SimpleMotion wiring.
Electrical properties
SimpleMotion V2 uses RS485 electrical serial communication standard for all data transfer. Some main benefits of using RS485 are:
- Low wire count, only 2 signal wires + ground needed
- Bidirectional data transfer (receive & transmit) in one wire pair
- Multidrop buses possible (up to 32 devices in single serial link)
- High reliability due to differential signaling
- High data rates and long cable lengths possible
- Easy to interface even from smallest microcontrollers with UART
