- Reduced the Multi-pass interference in the communication between moving-vehicles.
∎ Interactive wireless communication
- Half-duplex packet-communication based on Time-division-multiple-access
- Supports the interactive communication between devices with RF-Modem
∎ Supports up to 16 RF channels in the same area
1
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
- RF Channel can be selected by rotary switch in front panel of RF-Modem
- The RF Channel of HWC-W100 and HWC-W120
∎ N:M network supply
- One RF-Master(HWC-M100) can manage N RF-Modem(HWC-W100) in AP-mode
- RF-Modem (HWC-W100) in EP-mode can bypass the data to other modem(HWC-W100).
- One RF-Modem(HWC-W100) can manage N RF-Modem(HWC-W120) in EP-mode
∎ Supports the special GUI to optimize the RF devices in RF Environment
In each AP, you can identify the frequency usage of 2.4GHz band through GUI and see the
variation of RSSI according to movement of EP.
∎ Serial communication type can be selected in RS-232,RS-422 and RS-485 through GUI
- HWC-W100 and HWC-W120
∎ Supply Voltage : DC 24V(Input Range : DC 8V ~ DC 32V) (HWC-M100, HWC-W100, HWC-W120)
∎ Operating Temperature : -30°C ~ 80°C (HWC-M100, HWC-W100, HWC-W120)
∎ RF Modem Specification (HWC-W100, HWC-W120)
항목내용비고
Operating Frequency2,400MHz ~ 2,483.5MHzCFR47 part 15
Transmit Power1mW and less
Occupied Bandwidth3MHz and less
Spread SpectrumDSSS(Direct Sequence SS)
ModulationO-QPSK
DS-SS32-chip PN code2MChips/s chips rate
Communication MethodHalf duplex
RF Data Rate250Kbps
Data Format@@
Channel Spacing5MHz
RF Channels16 Channels
Frequency Stability±10 ppm
Transmit Spurious-40dBm
Receiver SensitivityHigh sensitivity -94dBm
2
1.2 Accessories
∎ RF Master(HWC-M100)
∎ RF Modem(HWC-W100)
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
∎ RF Master(HWC-W120)
3
1.3 Product Description
∎ RF Master(HWC-M100)
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
4
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
① Debug
- Connecting PC or Notebook to debug port, you can set control data and see the
operating status of device.
② Indicator
- Indicate the operation status of device, visually.
PWR LED : DC power supply is ok
RUN LED : Blink in normal operation of device
UP LED : Ethernet communication with the HOST
LOCAL LED : Ethernet communication with the AP
ALM LED : Turn on RED in case of fault operation
③ Power S/W
- DC power on/off switch
④ Power Input
- Connector to supply dc power(DC 24V)
- Using reverse voltage protect circuit, ensure device against the reverse voltage
⑤ Up_Link
- Ethernet port to communicate with upper HOST
⑥ Local_Link
- Ethernet port to communicate with lower AP
5
∎ RF Modem(HWC-W100)
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
6
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
① Debug
- Connecting PC or Notebook to debug port, you can configure parameter of modem and see
the operation status of the device.
② Configuration S/W
- You can use this switch to configure nework-ID, devide-ID, communication-type and so
on.
③ RSSI
- Display the strength of receiving RF signal in LED segment
④ Indicator
- Indicate the operation status of device, visually.
PWR LED : dc power supply is ok
RUN LED : blink in normal operation of device
TX LED : turn on in data transmission to End Device
RX LED : turn on in data reception from End Device
ALM LED : turn on RED in fault operation
⑤ Main/Div Antenna
- bi-directional antenna for RF communication. It consist of main and diversity antenna.
⑥ Power S/W
- DC power on/off switch
⑦ Power Input
- connector to supply dc power(DC 24V)
using bridge-diode in the internal circuit, ensure device against the reverse voltage
⑧ Up/Down_Link
- ethernet port to receive data from RF-Master and transmit data to another AP
⑨ Serial Communication Port
- Serial port to communicate with lower device.
- You can select communicate type : RS-232 or RS-422 or RS-485.
7
∎ RF Modem(HWC-W120)
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
8
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
① Debug
- Connecting PC or Notebook to debug port, you can set control data and see the
operating status of device.
② Indicator
- Indicate the operation status of device, visually.
PWR LED : DC power supply is ok
RUN LED : Blink in normal operation of device
UP LED : Ethernet communication with the HOST
LOCAL LED : Ethernet communication with the AP
ALM LED : Turn on RED in case of fault operation
③ Power S/W
- DC power on/off switch
④ Power Input
- Connector to supply dc power(DC 24V)
- Using reverse voltage protect circuit, ensure device against the reverse voltage
⑤ Serial Communication Port
- Serial port to communicate with lower device.
- You can select communicate type : RS-232 or RS-422 or RS-485.
9
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
2. Installation the device
2.1 Network configuration
10
RF Data Modem HWC-M100 / HWC-W100 / HWC-W120
∎ The network consists of one RF-Master(HWC-M100) and several AP(Access Point)/EP(End
Point)
∎ You can set AP(Access Point) or EP(End Point) mode of RF Master(HWC-M100) using
configuration-Switch.
∎ Communication between HOST and RF-Master can be implemented in public or private
network.
∎ One RF-Master can be connected to several AP in ethernet communication. It can be
implemented in multi-drop bus for interconnecting RF-Master and APs.
∎ RF-Master manages network that relays the communication of HOST and lower equipment.
∎ AP(Access poing) Managed by RF-Master relays data in which Host delivers to EP. When
the shadow region exists with a AP, AP can be additionally installed and the coverage can
be expanded.
∎ EP(End Point) is connected with a subordinate equipment by wire and supports a
communication with HOST. You can select one of the RS232/RS422/RS485 to communicate with
the lower equipment.
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