WTS-GW1 Wireless Gateway with Modbus and ASCII Serial Output
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The WTS-GW1 is a gateway that provides a standard serial interface to gather data from up to 100 transmitter modules in a WTS telemetry system using either the Modbus RTU protocol or a simple ASCII protocol.
The data sent by transmitter modules can be utilized by multiple receivers such as displays, handheld readers, analog outputs, relay modules and computer interfaces. Receivers support common industrial power supplies and are available in robust IP rated enclosures with internal antennas optimized to give outstanding coverage.
The WTS-GW1 supports RS232 and RS485 connectivity. Some simple commands are available to wake, sleep, and keep awake WTS transmitter modules.
The WTS Toolkit software offers a fast and simple way to configure the gateway module.
The WTS-GW1 is a gateway that provides a standard serial interface to gather data from up to 100 transmitter modules in a WTS telemetry system using either the Modbus RTU protocol or a simple ASCII protocol.
The data sent by transmitter modules can be utilized by multiple receivers such as displays, handheld readers, analog outputs, relay modules and computer interfaces. Receivers support common industrial power supplies and are available in robust IP rated enclosures with internal antennas optimized to give outstanding coverage.
The WTS-GW1 supports RS232 and RS485 connectivity. Some simple commands are available to wake, sleep, and keep awake WTS transmitter modules.
The WTS Toolkit software offers a fast and simple way to configure the gateway module.
U.S. dimensions and capacities are provided for conversion only. Standard products have International System of Units (SI) capacities and dimensions.
U.S. dimensions and capacities are provided for conversion only. Standard products have International System of Units (SI) capacities and dimensions.
This diagram shows the available connections, switches and LEDs.a
Switch positions 1 to 4 are not used and can be in any position.
Switch positions 5 to 7 select the baud rate for the serial interface.
| Baud Rate / USB | 5 | 6 | 7 |
| 9600 | On | Off | Off |
| 19200 | Off | On | Off |
| 38400 | On | On | Off |
| 57600 | Off | Off | On |
| 115200 | On | Off | On |
| 230400 | Off | On | On |
| 460800 | On | On | On |
Whether the serial interface is RS485 or RS232 is selected by switch position 8.
| 232/485 | 8 |
| RS232 | Off |
| RS485 | On |
The WTS-GW1 requires an external power supply to be connected to J4 on the –V and +V pins.
Two LEDS indicate Power/Mode and Activity.
The red LED indicates mode and should flash at a 2Hz rate. If any errors are detected with the radio then the LED will remain lit.
The green LED flashes once for each packet received via radio.
The RS232 interface uses TX, RX and GND to connect to a PC, PLC etc. and uses standard RS232 voltage levels.
The baud rate can be selected by setting the DIP switches stated above.
The WTS-GW1 will require power cycling to utilize a baud rate change.
| PC 9 Way D Plug Pin | Signal Direction | Signal | Base Station Connection |
| 3 (TX) | _> | RX | J6 RX or J7 Pin 3 |
| 2 (RX) | <_ | TX | J6 TX or J7 Pin 2 |
| 5 (Gnd) | GND | J6 GND or J7 Pin 5 | |
| 8 (CTS) | <_ | CTS | J6 CTS or J7 Pin 8 |
The RS485 interface (This is a 2 wire 485 interface and will not work with 4 wire 485 buses) uses TX, RX and GND to connect to a PC, PLC etc. and uses standard RS485 voltage levels.
The baud rate can be selected by setting the DIP switches stated above.
The WTS-GW1 will require power cycling to utilize a baud rate change.
Depending on the RS485 interface or hardware the connections vary and are not standard therefore we can only show the connections to the WTS-GW1. You must refer to the user manual regarding your RS485 connection to ascertain the correct connections.
| PC / PLC Connection | Signal | Base Station Connection |
| Refer to RS485 Device User Manual | A | J4 -A |
| Refer to RS485 Device User Manual | B | J4 +B |
| Refer to RS485 Device User Manual | GND | J4 SH |
When using RS232 or RS485 you should use the fastest baud rate possible. At lower rates data can be lost because it can arrive from the radio faster than the gateway station can send it serially.
For more information visit Electrical Wiring Diagrams
| Dimensions | 6.50 × 3.30 × 2.20 in |
|---|
U.S. dimensions and capacities are provided for conversion only. Standard products have International System of Units (SI) capacities and dimensions.
U.S. dimensions and capacities are provided for conversion only. Standard products have International System of Units (SI) capacities and dimensions.
This diagram shows the available connections, switches and LEDs.a
Switch positions 1 to 4 are not used and can be in any position.
Switch positions 5 to 7 select the baud rate for the serial interface.
| Baud Rate / USB | 5 | 6 | 7 |
| 9600 | On | Off | Off |
| 19200 | Off | On | Off |
| 38400 | On | On | Off |
| 57600 | Off | Off | On |
| 115200 | On | Off | On |
| 230400 | Off | On | On |
| 460800 | On | On | On |
Whether the serial interface is RS485 or RS232 is selected by switch position 8.
| 232/485 | 8 |
| RS232 | Off |
| RS485 | On |
The WTS-GW1 requires an external power supply to be connected to J4 on the –V and +V pins.
Two LEDS indicate Power/Mode and Activity.
The red LED indicates mode and should flash at a 2Hz rate. If any errors are detected with the radio then the LED will remain lit.
The green LED flashes once for each packet received via radio.
The RS232 interface uses TX, RX and GND to connect to a PC, PLC etc. and uses standard RS232 voltage levels.
The baud rate can be selected by setting the DIP switches stated above.
The WTS-GW1 will require power cycling to utilize a baud rate change.
| PC 9 Way D Plug Pin | Signal Direction | Signal | Base Station Connection |
| 3 (TX) | _> | RX | J6 RX or J7 Pin 3 |
| 2 (RX) | <_ | TX | J6 TX or J7 Pin 2 |
| 5 (Gnd) | GND | J6 GND or J7 Pin 5 | |
| 8 (CTS) | <_ | CTS | J6 CTS or J7 Pin 8 |
The RS485 interface (This is a 2 wire 485 interface and will not work with 4 wire 485 buses) uses TX, RX and GND to connect to a PC, PLC etc. and uses standard RS485 voltage levels.
The baud rate can be selected by setting the DIP switches stated above.
The WTS-GW1 will require power cycling to utilize a baud rate change.
Depending on the RS485 interface or hardware the connections vary and are not standard therefore we can only show the connections to the WTS-GW1. You must refer to the user manual regarding your RS485 connection to ascertain the correct connections.
| PC / PLC Connection | Signal | Base Station Connection |
| Refer to RS485 Device User Manual | A | J4 -A |
| Refer to RS485 Device User Manual | B | J4 +B |
| Refer to RS485 Device User Manual | GND | J4 SH |
When using RS232 or RS485 you should use the fastest baud rate possible. At lower rates data can be lost because it can arrive from the radio faster than the gateway station can send it serially.
For more information visit Electrical Wiring Diagrams
| Dimensions | 6.50 × 3.30 × 2.20 in |
|---|
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