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Summary of Contents for Beijer Electronics GN-9273
- Page 1 User Manual GN-9273 Network Adapter Module MODBUS RTU network adapter, 128 bytes per slice, max. 63 slices Doc ID: 153523 2025-02-20...
- Page 2 The information in this document is subject to change without notice and is provided as available at the time of printing. Beijer Electronics AB reserves the right to change any information without updating this publication. Beijer Electronics AB assumes no responsibility for any errors that may appear in this document.
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Page 3: Table Of Contents
12.2. Example of Output Process Image (Output Register) Map ....... 25 13. MODBUS ....................27 13.1. Interface Register / Bit Map ..............27 13.2. Supported Function Codes ..............27 13.3. Transmission Mode ................28 13.4. MODBUS Special Register Map ..............40 Beijer Electronics, Doc ID: 153523 2025-02... -
Page 5: About This Manual
About This Manual 1. About This Manual This manual contains information on the software and hardware features of the Beijer Electronics GN-9273 Network Adapter Module. It provides in-depth specifications, guidance on installation, setup, and usage of the product. 1.1. Symbols Used in This Manual This publication includes Warning, Caution, Note and Important icons where appropriate, to point out safety-related, or other important information. -
Page 6: Safety
Before using this product, please read this manual and other relevant manuals carefully. Pay full attention to safety instructions! In no event will Beijer Electronics be responsible or liable for damages resulting from the use of this product. The images, examples and diagrams in this manual are included for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Beijer Electronics cannot take responsibility or liability for actual use based on the examples and diagrams. -
Page 7: About The G-Series System
IP, EtherCAT, PROFINET, CC-Link IE Field, PROFIBUS, CANopen, DeviceNet, CC-Link, MODBUS/Serial etc. • Expansion Module - Expansion module types: Digital IO, Analog IO, and Special modules. • Messaging - The system uses two types of messaging: Service messaging and IO messaging. Beijer Electronics, Doc ID: 153523 2025-02... -
Page 8: Io Process Data Mapping
Valid parameter data depends on the modules in use. For example, analog modules have settings of either 0-20 mA or 4-20 mA, and temperature modules have settings such as PT100, PT200, and PT500. The documentation for each module provides a description of the parameter data. 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 9: Specifications
Max. current field Max. DC 10 A power contact Wiring IO cable max. 2.0 mm (AWG 14) Torque 0.8 Nm (7 lb-in) Weight 162 g Dimensions 54 mm x 99 mm x 70 mm Beijer Electronics, Doc ID: 153523 2025-02... -
Page 10: Interface Specifications
Expansion IO module status (IOS): Green / Red System power status: Green Field power status: Green Module location Starter module, positioned on the left side of G-Series system Field power detection About 14 VDC 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 11: Wiring Diagram
System power, 24 V System Power, ground Frame ground Frame ground Field power, ground Field power, ground Field power, 24 V Field power, 24 V WARNING Never connect system power to field power! Use separate power supplies. Beijer Electronics, Doc ID: 153523 2025-02... -
Page 12: Led Indicator
About 20 ms flashing. 6.3. Transmit Data (TXD) Status Indication Not powered Device is idle or may not be powered. Adapter transmit frame Flashing Adapter (slave) transmit frame. About 20 ms flashing. green 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 13: Extension Module Status (Ios)
Power LED) Status Indication No field / system power Not supplied 24 VDC field power, 5 VDC system power. Supplied field / system Green Supplied 24 VDC field power, 5 VDC system power. power Beijer Electronics, Doc ID: 153523 2025-02... -
Page 14: Pin Open Connector
Frame ground. Internally shorted with shield. NOTE 3986-90102/Molex or 1862506/Phoenix is compatible with DeviceNet 5-pin open connector. CAUTION The use of an incorrect supply voltage or frequency can cause severe damage to the component. 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 15: Dip Switch
1Stop RTU/ASCII RTU mode mode ASCII mode * ASCII mode is only available. ** It is recommended to set the baud rate to 9600 bps above when setting the parameter using IO guide pro. Beijer Electronics, Doc ID: 153523 2025-02... -
Page 16: Address Setup
The address 0 is reserved to identify a broadcast exchange. No response is returned to broadcast requests sent by the master. IMPORTANT MAC ID addresses must be unique throughout the entire interconnected networks. 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 17: Rs232 Port
RS232 Port 10. RS232 Port For MODBUS/RTU, touch panel or IO-guide. RS232 (37204-62A3-004PL/3M) Pin no. Signal name Description Reserved RS232 TXD RS232 RXD RS232 GND Beijer Electronics, Doc ID: 153523 2025-02... -
Page 18: Hardware Setup
Installation position is valid vertical and horizontal. The drawings are illustrative and may be out of proportion. CAUTION NOT following the space requirements may result in damaging the product. 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 19: Mount Module To Din Rail
• GT-5XXX • GT-7XXX GN-9XXX modules have three locking levers, one at the bottom and two on the side. For mounting instructions, refer to Mount GN-9XXX Module. Mount to DIN rail Dismount from DIN rail Beijer Electronics, Doc ID: 153523 2025-02... - Page 20 11.2.2. Mount GN-9XXX Module To mount or dismount a network adapter or programmable IO module with the product name GN-9XXX, for example GN-9251 or GN-9371, see the following instructions: Mount to DIN rail Dismount from DIN rail 2025-02 Beijer Electronics, Doc ID: 153523...
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Page 21: Mount Removable Terminal Block
Hardware Setup 11.3. Mount Removable Terminal Block To mount or dismount a removable terminal block (RTB), see the instructions below. Mount a removable terminal block Dismount a removable terminal block Beijer Electronics, Doc ID: 153523 2025-02... -
Page 22: Connect Cables To Removable Terminal Block
To connect/disconnect cables to/from the removable terminal block (RTB), see the instructions below. WARNING Always use the recommended supply voltage and frequency to prevent damage to the equipment and ensure optimal performance. Connect cable Disconnect cable 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 23: Field Power And Data Pins
Token output port of processor module Serial output Transmitter output port of processor module Serial input Receiver input port of processor module Reserved Reserved for bypass token Field GND Field ground Field VCC Field supply voltage (24 VDC) Beijer Electronics, Doc ID: 153523 2025-02... -
Page 24: Io Process Image Map
Analog input Ch2 high byte (Slot#3) Analog input Ch2 low byte (Slot#3) 0x0005 Analog input Ch3 high byte (Slot#3) Analog input Ch3 low byte (Slot#3) 0x0006 Discrete input 8 pts (Slot#4) Discrete input 8 pts (Slot#4) 2025-02 Beijer Electronics, Doc ID: 153523... -
Page 25: Example Of Output Process Image (Output Register) Map
Discrete output 8 pts (Slot#2) Discrete input 8 pts (Slot#1) 0x080 Analog output Ch0 high byte (Slot#3) Analog input Ch0 low byte (Slot#3) 0x080 Analog output Ch1 high byte (Slot#3) Analog input Ch1 low byte (Slot#3) Beijer Electronics, Doc ID: 153523 2025-02... - Page 26 0x080 Analog output Ch3 high byte (Slot#8) Analog output Ch3 low byte (Slot#8) 0x080 Discrete output low 8 pts (Slot#10) Empty Discrete output 4 pts (Slot#9) 0x080 Empty Discrete output high 8 pts (Slot#10) 2025-02 Beijer Electronics, Doc ID: 153523...
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Page 27: Modbus
Write single coil Write one bit output 6 (0x06) Write single register Write one word output 8 (0x08) Diagnostics (serial line Read diagnostic register only) 15 (0x0F) Write multiple coils Write a number of output bits Beijer Electronics, Doc ID: 153523 2025-02... -
Page 28: Transmission Mode
Status is indicated as 1= ON and 0= OFF. Request Field name Exampl ASCII ASCII (bus line) Start of Frame t1-t2-t3 “;” 0x3A Slave Address 0x63 0x63 “63” 0x36, 0x33 Function Code 0x01 0x01 “01” 0x30, 0x31 2025-02 Beijer Electronics, Doc ID: 153523... - Page 29 Quantity of Inputs Hi 0x00 0x00 “00” 0x30, 0x30 Quantity of Inputs Lo 0x10 0x10 “0A” 0x31, 0x30 Error Check (CRC/LRC) 0x71, “ED” 0x38, 0x42 0x84 End of Frame t1-t2-t3 CR, LF 0x0D, 0xA Beijer Electronics, Doc ID: 153523 2025-02...
- Page 30 Field name Example ASCII ASCII (bus line) Start of Frame t1-t2- “;” 0x3A Slave Address 0x63 0x63 “63” 0x36, 0x33 Function Code 0x03 0x03 “03” 0x30, 0x33 Byte Count 0x02 0x02 “02” 0x30, 0x32 2025-02 Beijer Electronics, Doc ID: 153523...
- Page 31 Input Register#0 Lo 0xE5 0xE5 “E5” 0x45, 0x35 Error Check (CRC/LRC) 0x80, 0x13 “B0” 0x42, 0x30 End of Frame t1-t2-t3 CR, LF 0x0D, 0xA If address is 0x0000, 0x0001, input register value is 0x0080, 0x0000. Beijer Electronics, Doc ID: 153523 2025-02...
- Page 32 This function code is used to write a single holding register in a remote device. Therefore, register numbered 1 is addressed as 0. The normal response is an echo of the request, returned after the register contents have been written. 2025-02 Beijer Electronics, Doc ID: 153523...
- Page 33 Some of the diagnostics cause data to be returned from the remote device in the data field of a normal response. Request Field name Example ASCII ASCII (bus line) Start of Frame t1-t2-t3 ";" 0x3A Slave Address 0x07 0x07 "07" 0x30, 0x37 Function Code 0x08 0x08 "08" 0x30, 0x38 Beijer Electronics, Doc ID: 153523 2025-02...
- Page 34 IP address, subnet mask address, gateway address will be the factory defaults value. MAC address will be the factory default value. Sub-function 0x000A(10) Clear Counters and Diagnostic Register The goal is to clear all counters and the diagnostic register. Counters are also cleared upon power–up. 2025-02 Beijer Electronics, Doc ID: 153523...
- Page 35 Sub-function 0x0064(100) Return Slave MODBUS, Internal Bus Status The response data field returns the status of MODBUS and internal bus addressed to the remote device. This status values are identical with status 1 word of input process image. Beijer Electronics, Doc ID: 153523 2025-02...
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Page 36: 0X0F) Write Multiple Coils
0x36, 0x33 Function Code 0x0F 0x0F “0F” 0x30, 0x46 Starting Address Hi 0x10 0x10 “10” 0x31, 0x30 Starting Address Lo 0x00 0x00 “00” 0x30, 0x30 Quantity of Outputs Hi 0x00 0x00 “00” 0x30, 0x30 2025-02 Beijer Electronics, Doc ID: 153523... - Page 37 Starting Address Lo 0x00 0x00 “00” 0x30, 0x30 Quantity of Registers Hi 0x00 0x00 “00” 0x30, 0x30 Quantity of Registers Lo 0x01 0x01 “01” 0x30, 0x31 Error Check (CRC/LRC) 0x0B, “84” 0x38, 0x34 0xEB Beijer Electronics, Doc ID: 153523 2025-02...
- Page 38 Start of Frame t1-t2-t3 “;” 0x3A Slave Address 0x63 0x63 “63” 0x36, 0x33 Function Code 0x17 0x17 “17” 0x31, 0x37 Byte Count 0x02 0x02 “02” 0x30, 0x32 Read Reg. Value#0 Hi 0x00 0x00 “00” 0x30, 0x30 2025-02 Beijer Electronics, Doc ID: 153523...
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Page 39: Error Response
The server (or slave) attempted to read record file but error detected a parity error in the memory. The client (or master) can retry the request, but service may be required on the server (or slave) device. Beijer Electronics, Doc ID: 153523 2025-02... -
Page 40: Modbus Special Register Map
A watchdog timer can be configured for timeout periods up to 65535 (1 unit = 100 ms). The watchdog timer will timeout (timer decreased, reached 0) if MODBUS operation to the slave node does not 2025-02 Beijer Electronics, Doc ID: 153523... - Page 41 First 1 word is the adapter’s number. If GN-9251, then words 0x9251. 0x1110(4368) Read 1 word Number of expansion slot. 0x1113(4371) Read Up to Expansion slot Module ID. First 1 word is adapter’s module ID. words Beijer Electronics, Doc ID: 153523 2025-02...
- Page 42 Slot#20 0x2260(8800)-0x227F(8831) Slot#21 0x2280(8832)-0x229F(8863) Slot#22 0x22A0(8864)-0x22BF(8895) Slot#23 0x22C0(8896)-0x22DF(8927) Slot#24 0x22E0(8928)-0x22FF(8959) Slot#25 0x2300(8960)-0x231F(8991) Slot#26 0x2320(8992)-0x233F(9023) Slot#27 0x2340(9024)-0x235F(9055) Slot#28 0x2360(9056)-0x237F(9087) Slot#29 0x2380(9088)-0x239F(9119) Slot#30 0x23A0(9120)-0x23BF(9151) Slot#31 0x23C0(9152)-0x23DF(9183) Slot#32 0x23E0(9184)-0x23FF(9215) Slot#33 0x2400(9216)-0x241F(9247) Slot#34 0x2420(9248)-0x243F(9279) Slot#35 0x2440(9280)-0x245F(9311) Slot#36 0x2460(9312)-0x247F(9343) 2025-02 Beijer Electronics, Doc ID: 153523...
- Page 43 ……. 0x27DA(10202) + 0x1B(+27) 0x201B(8219) 0x203B(8251) 0x205B(8283) 0x207B(8315) ……. 0x27DB(10203) + 0x1C(+28) 0x201C(8220) 0x203C(8252) 0x205C(8284) 0x207C(8316) ……. 0x27DC(10204) + 0x1D(+29) 0x201D(8221) 0x203D(8253) 0x205D(8285) 0x207D(8317) ……. 0x27DD(10205) + 0x1E(+30) 0x201E(8222) 0x203E(8254) 0x205E(8286) 0x207E(8318) ……. 0x27DE(10206) Beijer Electronics, Doc ID: 153523 2025-02...
- Page 44 Minor revision 16, Rev 1.016). + 0x19(+25) Read 2 words Firmware release data. IO data code format (1 word) Item Field Output IO code Input IO code Field Date Data length Data Data length type type Examples 2025-02 Beijer Electronics, Doc ID: 153523...
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Page 45: Modbus Reference
0 0 0 0 1 1 3 Bit / Byte / Word 1 1 1 1 1 1 63 Bit / Byte / Word 13.4.5. MODBUS Reference MODBUS reference documents: www.modbus.org MODBUS tools: www.modbustools.com (modbus poll), www.win-tech.com (modscan32) Beijer Electronics, Doc ID: 153523 2025-02...
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