2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Table of contents 1 Introduction ............
1.2 Models covered by this manual The present manual can be used for the Modbus 266 For safety reasons, ABB draws your attention to the fact that only pressure model. sufficiently insulated tools conforming to EN 60900 may be used.
The owner must observe the dangerous if touched. Therefore, the auxiliary power must be proper regulations for shipping purposes. switched off before opening the housing cover. All devices sent back to ABB must be free from any hazardous materials (acids, alkalis, solvents, etc.).
Before installing the transmitter, check whether the condition. ABB typically configures 266 pressure transmitters device design meets the requirements of the measuring according to the user requirements. A typical configuration...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 5.4.3 B6 and B7 Barrel housing bracket details 1 –...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 128 (5.04) 29 (1.14) 120 (4.72)
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 6 Setup 6.3 Cable entries 6.1 Temperature measurement...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 6.5 Grounding Function/comment Terminal...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Cable specification Using the Modbus protocol allows devices made by different manufacturers to exchange information via the...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Figure 13: To connect the pressure transmitter, observe the NOTICE...
(refer to chapter 9.6), external, non-intrusive push buttons can be pickup system. installed (if not selected with the option R1) by ordering the commercial code DR1014. Please refer to local ABB representative. Set Lower Range Value — Apply the lower range value pressure from the process or from a pressure transducer.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 7 Operation 6.11 Installing/Removing the LCD display —Unscrew the housing cover of the communication...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 7.4 Configuring the transmitter without an 7.5 LRV and URV configuration integral LCD HMI...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Replace mode (DIP switches 1 and 2) NOTICE In normal mode the DIP switches 1 and 2 are in position 0.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Figure 19: Display keypad of L1 and L5 LCD display options The keys (1) , (4)
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 7.10 7.8 Configuration of the pressure transmitter Important.
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Display Exit...
Min -14.504 0.0000 Next Edit Next 2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Easy Setup PV Upper Range Value 6000.0 psi...
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Max 8702.3 PV to zero function. Press Next (1) key to move to the next Set PV to Zero Min -14.504 0.0000 menu item. ABB suggest user should perform this specific command only after the installation and configuration Next Edit Next...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Device Setup Device Setup...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Process Variable Apply PV Apply PV...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Device Setup Output Scaling Output Scaling...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Level Cancel Unit...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Display Menu Menu - Line 1 View...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Display Display Scaling Display...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Calibrate Calibrate...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Diagnostics Diagnostics...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Device Info Device Info...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Menu Communication Communication...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 7.14 Interface Description Communication parameters For communication to work properly, the transmission...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Table 3: Units for the mass flow Available units Selection...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Table 4: Units for the volume flow (continued) Table 7: Volume units Selection...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Modbus register tables All registers in this document are referenced to one.
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 16 / 32 Register bit Adress Parameter...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Adress Parameter Data Type...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Adress Parameter Data Type...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Optional text on display An optional text will be shown automatically on the display with sending data to the registers 1001 to 1008.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Adress Parameter Function Code...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Application of the Diagnosis Main and Main 2 Registers The 266GST Modbus pressure transmitter has two ‘Diagnosis’ (Diagnosis Main and Main 2). The Diagnosis Diagnosis Code Main register (Address 411, 412) each containing 16 bits.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 7.15 Configuration with the PC/laptop or handheld terminal Modbus connection of 266GST Modbus via USB / RS The 266GST Modbus transmitters can be configured with 485-converter to PC/laptop the aid of the following devices: •...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 8 Error messages 8.1 LCD Display messages The LCD HMI in case of transmitter errors or malfunctioning is capable of displaying specific error/fault...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 8.2 Error states and alarms —...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A —...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A —...
The use of non original spare parts makes the warranty parts. void. In case you want ABB to perform the repair, please send back the transmitter to your local ABB office Repair and maintenance activities may only be performed complete with the return form that you find in this manual by authorized customer service personnel.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A Pressure transducer replacement 9.4 Electronic replacement If the pressure transducer needs to be replaced proceed as...
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 10 Hazardous Area considerations Certificate IECEx Ex db IIC T6 Ga/Gb and Ex tb IIIC T85°C 10.1 Ex Safety aspects and IP Protection (Europe)
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Important. It is the technical support for the ABB Declaration of Conformity. Important. When installed this transmitter must be supplied by a voltage limiting device which will prevent the rated voltage of 30 V d.c.
2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A 10.2 Ex Safety aspects and IP Protection (North America) 10.2.1 Applicable standards...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A —...
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2 6 6 G S T M O D B U S | P R E S S U R E / T E M P E R AT U R E T R A N S M I T T E R | O I/ 2 6 6 G S T/ R S - E N R E V. A —...
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We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.
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