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A Sierra Monitor Company
Driver Manual
(Supplement to the FieldServer Instruction Manual)
FS-8700-101
Setra Digital Pressure Gage Model 370
APPLICABILITY & EFFECTIVITY
Effective for all systems manufactured after May 1, 2001
Driver Version: 1.00
Document Revision: 7
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FS-8700-101 Setra Model 370 Digital Pressure Gage Manual Table of Contents TABLE OF CONTENTS 1. SETRA MODEL 370 DIGITAL PRESSURE GAGE DESCRIPTION.................................3 2. DRIVER SCOPE OF SUPPLY...........................................................................................4 2.1. Supplied by FieldServer Technologies for this driver ...................................................4 rd 2.2. Provided by the Supplier of 3 Party Equipment................................
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 3 of 23 1. Setra Model 370 Digital Pressure Gage Description The ‘Setra Model 370 Digital Pressure Gage’ driver allows the FieldServer to transfer data to and from devices over either RS-232 or RS-485 using the ‘Setra Model 370 Digital Pressure Gage’ protocol. The FieldServer can emulate either a Server or Client. The driver implements a subset of the commands and responses that an actual Setra Model 370 Digital Pressu
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 4 of 23 2. Driver Scope of Supply 2.1. Supplied by FieldServer Technologies for this driver FieldServer Technologies Description PART # FS-8917-01 Connector, 25 pin male: Connects to DCE, RTS/CTS loop FS-8700-101 Driver Manual. rd 2.2. Provided by the Supplier of 3 Party Equipment rd 2.2.1. Required 3 Party Hardware Part # Description M370 SETRA DIGITAL PRESSURE GAGE rd 2.2.2. Required 3 Party Configuration The M37
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 5 of 23 3. Hardware Connections The FieldServer is connected to the rear side of the Model 370 Digital Pressure Gage as shown in the following connection drawing. FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldServer.com
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 6 of 23 3.1. Hardware Connection Tips / Hints The following notes are extracted from the Setra 370 Operator Manual. The Setra Digital Pressure Gage implements the majority of the RS-232 communications standard, but does not provide handshaking lines (such as busy, DSR, or DTR). The four lines which must be connected are diagrammed below, along with the pin layout of the female connector on the back of the gage. 13
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 7 of 23 4. Configuring the FieldServer as a Setra Model 370 Digital Pressure Gage Client For a detailed discussion on FieldServer configuration, please refer to the FieldServer Configuration Manual. The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer (See “.csv” sample files provided with the FieldServer). This section documents
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 8 of 23 4.2. Client Side Connection Descriptors Section Title Connections Column Title Function Legal Values Specify which port the device is 1 Port P1-P8, R1-R2 connected to the FieldServer Protocol Specify protocol used Setra370 110 – 115200, standard baud Baud* Specify baud rate rates only, 2400. Parity* Specify parity Even, Odd, None, Mark, Space Data_Bits* Specify data bits 7, 8 Stop_Bits* Specify stop bits 1
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 9 of 23 4.4. Client Side Map Descriptors 4.4.1. FieldServer Related Map Descriptor Parameters Column Title Function Legal Values Up to 32 alphanumeric Map_Descriptor_Name Name of this Map Descriptor characters Name of Data Array where One of the Data Array names Data_Array_Name data is to be stored in the from “Data Array” section FieldServer above Starting location in Data 0 to maximum specified in Data_Array_Offset
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 10 of 23 4.4.4. Map Descriptor Example #1 – Read Pressure. In this example a Map Descriptor is defined which controls the task of reading pressure data from the Setra Model 370 Digital Pressure Gage. The task gets performed every 5.0 seconds. When a response is received the data is stored in the Data Array called DA_PRESSURE stating at element zero (the offset). Each pressure reading requires the driver store 5 parameters
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 11 of 23 4.4.5. Map Descriptor Example #2 – Read Status In this example a Map Descriptor is defined which controls the task of reading status data from the Setra Model 370 Digital Pressure Gage. The task gets performed every 5.0 seconds. When a response is received the data is stored in the Data Array called DA_STATUS stating at element zero (the offset). Each pressure status reading requires the driver store 20 param
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 12 of 23 4.4.6. Map Descriptor Example #3 - Verify. The verification string contains revision and model information about the Gage. In this example a Map Descriptor is defined which controls the task of reading verification data from the Setra Model 370 Digital Pressure Gage. The task gets performed every 5.0 seconds. When a response is received the data is stored in the Data Array called DA_VERIFY stating at element ze
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 13 of 23 5. Configuring the FieldServer as a Setra Model 370 Digital Pressure Gage Server For a detailed discussion on FieldServer configuration, please refer to the FieldServer Configuration Manual. The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer. This section documents and describes the parameters necessary for configuring th
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 14 of 23 5.2. Server Side Node Descriptors Section Title Nodes Column Title Function Legal Values Up to 32 alphanumeric Node_Name Provide name for node characters This commonly used parameter is not used by this driver and Node_ID maybe omitted. Protocol Specify protocol used Setra370 Specifies time FieldServer will reserve Server side connection Server_Hold_Timeout* while waiting for the Client side >1.0s to upda
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 15 of 23 5.3. Server Side Map Descriptors 5.3.1. FieldServer Specific Map Descriptor Parameters Column Title Function Legal Values Name of this Map Up to 32 alphanumeric Map_Descriptor_Name Descriptor characters Name of Data Array where One of the Data Array Data_Array_Name data is to be stored in the names from “Data Array” FieldServer section above Starting location in Data 0 to maximum specified in Data_Array_Offse
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 16 of 23 5.3.3. Server Map Descriptor Example. This Map Descriptor defines a capability of the FieldServer to respond to a poll for an immediate Pressure Print (Command Code = ‘P’). When the poll is received, the driver inspects 5 consecutive array elements starting at offset 0 in the Data Array named nd rd DA_PRESSURE. The contents of the 5 elements are defined in Appendix A.1.1. The 2 element is the units index, the 3 is
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 17 of 23 Appendix A. Advanced Topics Appendix A.1. How Data Gets Stored Appendix A.1.1. Pressure Data Offset (where x is the offset Notes specified in the MD) X + 0 Gage Pressure. A signed real number. Gage Pressure Units. A whole number which is used X + 1 as a lookup into the table provide in section “Appendix A.2 Gage Pressure Units” Gage Pressure Indicating Letter ‘A’ = 65 X + 2 ‘G’ = 71 ‘T’ = 84 Set to 1 I
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 18 of 23 Appendix A.2. Gage Pressure Units The driver does not report status and pressure reading units as text strings. Rather, the driver reports and index number. Use the index number and the table below to determine the units being reported. Index # Meaning 0 The Units field could not be interpreted correctly / there were no units reported / the units reported were not part of the following list. This may be the case
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 19 of 23 Appendix B. Troubleshooting tips Appendix B.1. Connection Tips & Hints The digital pressure Gage must be left in an operational state, in which it is able to respond to the commands (polls) sent by the FieldServer. It is possible to enter a configuration mode using the buttons on the front panel of the Gage and then fail to complete the configuration sequence. In such cases, the Gage will not be able to respond t
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FS-8700-101_Setra Model 370 Digital Pressure Gage Manual Page 20 of 23 Appendix C. Driver Error Messages Message Notes and Corrective Action Set370:#1 FYI. Use an This message is provided for information and may be ignored. Read Array called <%s> to Appendix C.1 for more information. expose diagnostic info. This message is provided for information and may be ignored. The Set370:#2a. FYI. MD message is printed when the Map Descriptor length in the Length=%d assigned by configur
