BZ-TECH Serial MODBUS Gateway Скачать руководство пользователя страница 7 | Manualshive

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2.0 Connecting The Serial MODBUS Gateway
Hardware

This section contains details on how to connect the Serial
MODBUS Gateway (SMG) for testing and use.

The SMG has a communication select jumper.  No Jumper
is RS-485, jumper on is RS-232C.

The SMG has a 5 wire connector already installed and
ready for connection.  The table below shows the wire
mapping.

SMG 5-Wire Connector

Red:

4.5 – 36 VDC

Black:

Power ground

Orange:

RS-232C: TXD gateway’s transmitter data
connection. Connect the MODBUS master’s
receiver.

RS-485: D+ Non-inverting 485 transmitter/receiver.

White:

Signal ground, internally connected to power
ground.

Green:

RS-232C: RXD gateway’s receiver data connection.
Connect the MODBUS master’s transmitter.

RS-485: D- Inverting 485 transmitter/receiver.

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Содержание Serial MODBUS Gateway

Страница 1: ...Wireless Sensors Serial MODBUS RTU ASCII Gateway For Version 3 1 User s Guide 1...

Страница 2: ...actory Settings 4 6 Viewing and Modifying MODBUS Communications 4 7 Setting Gateway Time 4 8 Viewing Registered Wireless Devices 4 9 Adding a Wireless Device to the Gateway 4 10 Verifying Wireless Dev...

Страница 3: ...pplications MODBUS is often used to connect a supervisory computer with a remote terminal unit RTU in supervisory control and data acquisition SCADA systems MODBUS allows for communication between man...

Страница 4: ...ype and its gain should be so chosen that the equivalent isotropically radiated power EIRP is not more than that required for successful communication FCC Approval USA Refer To Page 34 for FCC Require...

Страница 5: ...ocols Supports RS 232C RS 485 Interfacing 3 LED Indicators System Wired and Wireless NEMA 4X IP65 Rated Enclosure RP SMA Antenna Connector Antenna Included Example Network Integration Wireless sensors...

Страница 6: ...Protocol Selector Jumper for RS 232 and RS485 Power Input Voltage Range 4 5 36 0 VDC Minimum Current Required 100mA 500mA Recommended Mechanical Reset Feature Communication Factory Settings Reset Jump...

Страница 7: ...y installed and ready for connection The table below shows the wire mapping SMG 5 Wire Connector Red 4 5 36 VDC Black Power ground Orange RS 232C TXD gateway s transmitter data connection Connect the...

Страница 8: ...o RS485 dongle to connect the hardware to a PC To use the USB to RS485 dongle connect the wires from the MODBUS gateway as shown in the illustration below Note The white wire is not used with the USB...

Страница 9: ...ndicates active communication Wireless Indicates wireless sensor network activity A green light indicates ready and working a red light indicates that no network has been formed no sensors are registe...

Страница 10: ...t 1 for coils and 40001 for holding registers Denoted in the literature as 0 1 or 1 40001 3 1 Register Size MODBUS permits the use of a variety of register size specifications This device uses the sta...

Страница 11: ...set If the jumper is detected closed the device must be power cycled with the jumper in the open position before the device is allowed to operate normally During COM reset the Wired indicator light wi...

Страница 12: ...vice List 50 total sets of 2 registers WDL 0 thru WDL 99 40101 40200 100 199 Fast Read Registers 50 total sets of 7 registers FRR 0 thru FRR 99 41001 41350 1000 1349 Wireless Device Registers 50 total...

Страница 13: ...wired LED is red This operation optimizes the RF configurations for best performance and clears out all devices from the WDL The gateway will not be active until at least one wireless device is regist...

Страница 14: ...address 40007 Raw Address 6 contains the following encoded options 0 RTU 8 N 2 1 RTU 8 N 1 2 RTU 8 E 1 3 RTU 8 O 1 4 ASCII 7 N 2 5 ASCII 7 E 1 6 ASCII 7 O 1 Example Writing a value of 2 to this regist...

Страница 15: ...set As an example Current time is September 1st 2016 at 17 05 15 If September 1st 2016 00 00 00 was referenced as the beginning time then the GWTIME can be set to 17 3600 5 60 15 61515 If January 1st...

Страница 16: ...e slot to another the SID of the wireless device only needs to be written to the new SLOT The old SLOT will be erased and prepared for future use To delete a wireless device from the list write a 0 0...

Страница 17: ...ss Device Data Fast Read Method All Wireless Devices have two pieces of commonly useful data 1 if a threshold is breached or if the device is in an exception state 2 the acquired data measurement Usin...

Страница 18: ...user to see more data about a devices exception and activity status the ACTIVE coil WDC SLOT offset 0 and EXCEPTION coil WDC SLOT offset 1 can be queried WDC F C FORMULA 2001 4 SLOT OFFSET WDC RAW AD...

Страница 19: ...use the PENDING_CFG coil WDC SLOT offset 2 to check the status of these changes When this coil is true the pending changes have not been communicated with the wireless device When this coil is reset...

Страница 20: ...not set to 0 the wireless device will constantly adjust its reporting interval to closely track a modulus of the gateway s time As an example if a wireless temperature sensor has a report interval of...

Страница 21: ...se the all three lights to flash on and off quickly in red Removing and replacing the jumper four more times will cause the top Gateway light to go solid red while the other lights are off Removing th...

Страница 22: ...notes that the system is configured sufficiently to communicate to the sensor False 0 denotes that the Wireless system is not active Causes for this include No Registered Sensors RST_DEVICE 2 1 Writin...

Страница 23: ...S Request Read GWC MODBUS Command read coils 1 5 OR RAW 0 4 DEFAULT MODBUS SETTINGS Address 95 0x5F MODBUS ASCII Poll Gateway Coils 63010000000595 CR LF MODBUS RTU Poll Gateway Coils 0x63 01 00 00 00...

Страница 24: ...ents on the remotely connected devices Coil Name Offset Description ACTIVE 0 True 1 denotes that the remote wireless device is actively synchronized with the gateway False 0 denotes that the device is...

Страница 25: ...C 3 Always read as False 0 If set to True 1 then the wireless device s local registers will be cleared and the remote configurations will be retrieved Ref 3 Gateway Registers The following table repre...

Страница 26: ...rformed before changes can take effect Value Represented Baud Selected 0 2400 1 4800 2 9600 3 DEFAULT 19200 4 38400 5 57600 6 115200 COMMODE 40007 6 Designates the operating mode used by the MODBUS in...

Страница 27: ...By default this is a UInt32 value that represents the number of seconds since the gateway was last powered or reset However this value can be set to any value that represents the number of seconds fro...

Страница 28: ...vice is registered Example Register Name Address Register Name Address WDL 0 FC 40101 Raw 100 WD 49 FC 40200 Raw 198 Ref 5 Fast Read Registers The purpose of these registers is to allow for efficient...

Страница 29: ...ly located registers available for access through the MODBUS interface Every wireless device has been allotted 50 possible registers The table below enumerates the address allotment FCADDRESSFORMULA 4...

Страница 30: ...millivolts READ ONLY Example 301 3 01 Volts RSSI 6 Current Received Signal Strength Indicator Formatted as Int16 Values of 20 to 106 dBm typical The less negative the number the more signal there was...

Страница 31: ..._ STANDARD 20 Configurable Interval for Standard Reports is the regular check in interval for the wireless device based on timer not events Format UInt16 number of seconds to wait before checking in C...

Страница 32: ...will immediately report instead of waiting for the report interval Value of 1 250 permissible Minimum granularity of 1 sec maximum sample rate CFG_INT_TYPE_ HYSTERESIS_H 26 Device Type Specific Param...

Страница 33: ...E DEVICE Mode Control Values CFG_TRG_TYPE_ DETECT_PERIOD 41 CFG_TRG_TYPE_ DETECT_COUNT 42 CFG_TRG_TYPE_ DETECT_REARM 43 CFG_TRG_TYPE_ DETECT_BISTABLE 44 CFG_INT_TYPE_ SYNC 45 UInt16 value used to enab...

Страница 34: ...o communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which ca...

Страница 35: ...at required for successful communication Approved Antennas The following antennas are approved for use with FCC ID ZTL RFSC1 Hyperlink HG905RD RSP 5 1 dBi Rubber Duck Pulse W1063 3 0 dBi Rubber Duck C...

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