RS232 - How do I change the CAS Gateway
With the CAS Gateway, regularly you have an RS-485 port (Port 0), an RS-232 port (Port 1), and an Ethernet port. But Port 0 can be changed from its default RS-485 configuration to an RS-232 configura…
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RS232 - How can I know which RS-232 data lines are active
The RS-232 Mini Tester is an efficient device to connect in series with any RS-232 interface for testing a serial (RS-232) link. An example of how an RS-232 mini tester looks like is shown in figure-1…
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FieldServer FS20 Series: Connecting to ICD102A Optical Isolator via 2-Wire RS485
This diagram shows how to connect a FieldServer FS20 series to an ICD102A optical isolator using a 2-wire RS 485 connection. FieldServers only support 2-wire connections.
The datasheet for the…
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USB-COMI-SI-M USB-TO-OPTICAL ISOLATED RS-422/485 ADAPTER
Wiring diagram RS485.
[USB-COMi-SI-M, pin 1] (-) Negative
[USB-COMi-SI-M, pin 2] (+) Positive
[USB-COMi-SI-M, pin 5] Ground
[USB-COMi-SI-M, Sw1] OFF
[USB-COMi-SI-M, Sw2] OFF
[USB-COMi-SI…
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RS485 - BACnet MSTP (RS485), Does cable selection does make a difference
All cables offer impedance (resistance). Some cables are designed so that the impedance is relatively independent of distance. You want one of these cables. A clue to knowing if you selected one is to…
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RS485 - What happens when 2 BACnet MSTP devices have the same device ID
I was asked this question today,What would happen if you had two BACnet MSTP devices with different MAC addresses but the same BACnet Device ID (Node ID) on the same network, and you sent a Broadcast…
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Lonworks - Can you show me an example of typical FieldServer / QuickServer Veeder Lonworks points
DO NOT USE THIS DATA – IT IS SUBJECT TO CHANGE AND IS PROVIDED FOR REFERENCE ONLY.The points listed and
the
Lonworks addresses allocated are typical. We strongly advise you not…
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ModbusTCP - What do you have that can help me convert my Modbus TCP data
Convert
We have module solutions which allow integration directly into Modbus TCP as well as the stand-alone solutions shown bottom right.
Range of Conversion Solutions
We know that project require…
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ModbusTCP - What type of protocol is Modbus TCP
Modbus TCPModbus TCP is part of the Modicon's Modbus family of protocols that operates on the Ethernet TCP network layer. Modbus is an open protocol and is widely uses across building automation, inte…
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Checking Communication Between Device and PC: Modbus TCP
Q: We want to check the communication between our device and personal computer, so do we need 232 communication software? See original question here: https://control.com/forums/threads/modbu…
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Simplified Modbus-to-Modbus Integration with FieldServer Devices
In an assembly where the Fieldserver device is reading from a Modbus device on Modbus RTU (Serial) or Modbus TCP/IP (Ethernet), and then serving to another Modbus device on Modbus TCP/IP or Modbus RTU…
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ModbusTCP - Can you give me an example of a Modbus/TCP to BACnet/IP configuration
This sample FieldServer configuration illustrates a config which reads data
from a Modbus/TCP device and makes the data available as BACnet data. A remote
BACnet client can read and write point…
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