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hardware:sat120

SAT120

The SAT120 is provided as an off-the-shelf kit that has the following components: SAT120 Terminal, SAT-1xx-TB1 Breakout Box, Flex Cable. The SAT120 Kit is a convenient method of connecting your devices to the SAT120 Terminal.

See SAT120 Product Page for more details.

SAT120 Kit

SAT120 Terminal

The SCADALink SAT120 is a versatile low-power satellite and cell terminal. It is a SCADA device that provides Modem, RTU, and Alarm Callout functionality in a single product. It is designed for remote SCADA communications, monitoring I/O and RS232 / RS485 serial devices.

Call outs to a cell network will fail-over to the satellite network.

Each transceiver is a self-contained unit, including satellite transceiver (modem), quad-band cellular modem, GPS, programmable microcontroller, and multiple discrete and analog I/Os (input/output) capable of monitoring and controlling external sensors and devices. Ideal for fixed installations or mobile applications.

The transceiver unit is not waterproof. Use it inside a panel or inside a vehicle, and away from environmental exposure. That is any form of moisture such as rain, snow, or pooled water.

Arranging the transceiver unit’s connectors at one end of the unit simplifies installation. Sturdy flanges on the side make mounting quick and easy.

Figure 1: Transceiver Front View

An anti-tamper SIM door on the back side of the unit provides easy access to the SIM card holder. A mini-B USB connector located next to the SIM door provides a serial port for configuring with the SatSCADA GUI.

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Figure 2: Transceiver Back View

Onboard I/O Wiring Examples

Figure 3: Digital Input Wiring
Figure 4: Analog Voltage Input Wiring
Figure 5: Analog 4-20mA Current Loop Input Wiring
Figure 6: Digital Output (Relay Contact) Wiring

Flex Cable

The 15’ cable is a flexible 10 pin multiconductor molded cable house in SEALTITE® flexible liquid-tight conduit.

Color Wire Gauge Functionality
White 22 AWG RS-485_A
Grey 22 AWG RS-485_B
Black 20 AWG Ground
Red 20 AWG VIN
Brown 22 AWG IO 01
Green 22 AWG IO 02
Blue 22 AWG IO 03
Purple 22 AWG IO 04
Orange 22 AWG RS-232 Tx
Yellow 22 AWG RS-232 Rx

Installation and Setup

Mounting: The SAT1xx Breakout Box Kit comes with pipe clamps to attach the terminal to a pipe. The included mounting bracket also provides a convenient method for the terminal to be physically screwed onto the side of a building.

Orientation: The SAT120 terminal dome should be installed with a clear view of the sky in the SE direction. If any obstructions are present within the viewing angel of 30 degrees above the horizon, the dome might need to be repositioned for improved clearance.

Power: The unit requires a power supply rated at 10-30 VDC at 5A (peak) for operation.

Alarms: An internal alarm can be configured to callout on low and high power supply voltage.  By default, the unit is configured to callout a low alarm at 11.58 VDC and a high alarm at 13 VDC.  This can be changed by SCADALink support when the unit is powered with a view of the sky.

Serial Interface: The SCADALink SAT120 has two serial ports: COM0 and COM1. COM0 is an RS232 port and is typically used for configuration but can also be used to connect to field equipment. COM1 is an RS485 2-wire port that is used to connect to field equipment.

I/O: The SCADALink SAT120 provides four onboard configurable I/O pins that operate in any of three modes: Analog Input, Digital Input, Digital Output. Each of the pins can be configured via the SAT120 GUI to operate in any of these three modes.

Configuring the Terminal

The terminal will be delivered pre-configured and tested.  Updates to the configuration can be done with the SatSCADA GUI application. Instructions are available on this site at SatSCADA GUI.

Local Configuration: The SAT120 terminal can be configured locally using the SatSCADA GUI via by: (a) a straight through serial cable attached to the SAT-1xx-BB breakout box RS-232 connector; or (b) the terminal's Mini-B USB connector attached to a computer's Type A USB connector.

Remote Configuration: The SAT120 terminal can also be configured remotely over satellite or cell using the GUI. Internet access is required.

Modbus Operation

Modbus Slave: The SAT120 can operate as a Modbus RTU Slave via the RS232 or RS485 ports or over the air.

Modbus Master: The SAT120 can function as a Modbus RTU master through its RS232 or RS485 ports. Registers polled via the Modbus RTU Master function can be mapped to Modbus registers in the terminal.

Install the SIM Card

The terminal does not ship with SIM cards and provides the option of installing a second, optional, SIM card. To use the cellular capabilities of this terminal you must purchase and install a SIM card. Purchase a SIM card, activated for use with a cellular network, from a Service Provider serving the area the terminal operates in. The SIM card must support operation on 1.8 V or 3 V. The terminal does not support 5 V SIM cards.

:!: Never insert or remove the SIM card if there is power to the terminal. This could result in physical damage to the SIM card.

  1. Disconnect the power connector from the power source.
  2. Remove the SIM card door. You may need to remove the screw1) (used for optional tamper resistance) if it is attached.
  3. Push and release any existing SIM card to remove it from the SIM holder. The terminal has dual SIM card holds, with the slot on the left (when looking into the SIM door) being the main/primary slot. Use the primary.
  4. Insert the SIM card, circuit down and the notch facing away from you and to the left.
  5. Push gently until the card is all the way in. Use the main SIM card holder slot.
  6. Replace the SIM card door.
  7. Reconnect any cables you removed earlier and connect to external power.
  8. Check the cell LED on the terminal to see that it is flashing green. If not contact your cellular data solution provider to ensure your SIM card is operational.
Figure 7: Remove SIM Card Door
Figure 8: Remove an Existing SIM Card
Figure 9: Sample SIM Card Orientation
Figure 10: SIM Card Installed
Figure 11: SIM Card Holders

LED Location and Operation

The terminal has three visible LEDs to indicate status.

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Figure 12: LED Location

Power Status

Red. Indicates that the terminal has external power. This LED is on continuously (solid red) when power is applied.

Satellite Status

Yellow. Indicates satellite communications status.

  • Power on sequence: One second on then 4 seconds off.
  • Terminal booting sequence: 12 flashes, 1 second apart, 200 ms duration per flash.
  • Waiting for GPS fix: 3 flashes every 30 seconds.
  • Registration in progress: 2 flashed every 30 seconds.
  • Connection online: 1 flash every 30 seconds.
  • Connection offline: 4 flashes every 30 seconds.

Cellular Status

Green. Flashing sequences controlled by the cellular modem to indicate cellular communications status as follows:

  • Continuously off: No network coverage or not registered.
  • GPRS cyclic output: On for 100 ms, off for 2 s (Registered with the home network).
  • GPRS cyclic output: On for 100 ms, off for 100 ms, on for 100 ms, off for 2 s (Registered with the visitor network - roaming).
  • HSPA cyclic output: On for 50 ms, off for 50 ms, on for 50 ms, off for 2 s (Registered with the home network).
  • HSPA cyclic output: On for 50 ms, off for 50 ms, on for 50 ms, off for 100 ms (Registered with the visitor network - roaming).
  • Continuously on: Voice or data call enabled.

Connect with USB

The SAT120 has a Mini-B connector that can be used to connect to a Type A USB port on your laptop. This will appear as a serial port on the laptop. The SatSCADA GUI can be used to connect via that serial port to the SAT120 for the purpose of configuring the terminal.

You will need to have a Mini-B to Type A USB cable. The Mini-B connector is typically used for digital cameras and is not to be confused with the Micro-B that is used on smartphones. You will not be able to use your smartphone cable to connect to the SAT120. See USB Connector Types for more information and diagrams related to this topic.

To connect your laptop to the SAT120 follow these instructions:

  1. Use a USB cable included to connect the mini USB end with the mini USB plug on the back of the terminal behind the rubber dust plug.
  2. Connect the other end of the USB cable to an open USB port on a laptop.
  3. Go to USB Drivers and install the CP210x USB to UART Bridge VCP Drivers onto the laptop.
  4. Click in the Windows Start menu search box, type “Device Manager” and then open the application.
  5. Click the arrow next to Ports to expand the view. You will see four ports associated with the terminal. They are listed as Interface 0 to Interface 3. Interface 1 is the main serial port that you will connect to. Note the COM port number associated with Interface 1. For example, the COM port below is COM19.
  6. Launch the SatSCADA GUI. Open menu Device > Connect > Serial. Choose the COM port from the combo box.
Figure 13: USB Cable and Plug
Figure 14: Windows Device Manager
1)
Phillips screw: M3x6 mm thread forming screw
hardware/sat120.txt · Last modified: 2020/01/24 17:37 by dmeier