ST P30U User manual

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TRANSDUCER
OF TEMPERATURE
AND STANDARD
SIGNALS
P30U TYPE
USER’S MANUAL

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Contents
1. APPLICATION........................................................................ 6
2. TRANSDUCER SET.................................................................. 8
3. BASIC REQUIREMENTS, OPERATIONAL SAFETY .............................. 8
4. INSTALLATION ...................................................................... 9
4.1. Mounting method ............................................................. 9
4.2. External connections diagrams............................................ 10
5. OPERATION......................................................................... 11
5.1. P30U transducer front panel description................................. 11
5.2. Messages after switching on the power.................................. 12
5.3. Key functions ................................................................. 13
5.3.1. Individual key functions................................................ 13
5.3.2. Functions of key combinations........................................ 15
5.3.3. Programming matrix.................................................... 16
5.4. Programming transducer parameters .................................... 17
5.4.1. Changing the value of the selected parameter ..................... 22
5.4.2. Changing floating-point values ....................................... 22
5.4.3. Programmable transducer parameters ............................. 23
5.5. Transducer functions ........................................................ 40
5.5.1. Measurement input ..................................................... 40
5.5.1.1. Interface RS-485 Master mode................................... 40
5.5.1.2. Interface RS-485 Monitor mode.................................. 43
5.5.1.3. Median filter ........................................................ 44
5.5.1.4. Averaging time...................................................... 46
5.5.1.5. Maximum and minimum values of measured signals ........ 46

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5.5.1.6. Mathematical operations on measured values ................ 46
5.5.1.7. Mathematical functions ........................................... 48
5.5.1.8. Input individual characteristic ................................... 48
5.5.1.9. Displayed value range limitation ................................ 50
5.5.2. Analog output ........................................................... 50
5.5.2.1. Analog output individual characteristic ......................... 50
5.5.2.2. Analog output overflow management ........................... 51
5.5.3. Alarm and power outputs ............................................. 55
5.5.4. LCD display .............................................................. 57
5.5.4.1. Custom unit definition ............................................. 59
5.5.4.2. Displaying two values with their units .......................... 60
5.5.5. Writing and reading transducer configuration from file........... 61
5.5.5.1. Storing the transducer configuration file ....................... 61
5.5.5.2. Reading the transducer configuration file ...................... 61
5.6. Default settings .............................................................. 62
5.7. Firmware update............................................................. 67
5.8. Archiving measured values ................................................ 69
5.8.1. Transducer memory structure ........................................ 69
5.8.2. Internal memory ........................................................ 70
5.8.2.1. Record structure ................................................... 71
5.8.2.2. Downloading archived data from the internal memory....... 72
5.8.3. Archiving configuration ................................................ 73
5.8.4. Memory card or internal file system memory (option)............ 76
5.8.5. Archive file structure ................................................... 79
5.9. RS-485 Interface ............................................................. 80
5.9.1. Serial interface connection........................................... 80

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5.9.2. MODBUS protocol description ........................................ 81
5.9.3. Description of the implemented functions .......................... 82
5.9.4. Register map ............................................................ 86
5.9.5. Read and Write registers .............................................. 89
5.9.6. Read-only registers................................................... 110
5.10. 10/100-BASE-T Ethernet interface ..................................... 117
5.10.1. Connecting 10/100-BASE-T Ethernet interface .................. 117
5.10.2. WWW server ......................................................... 119
5.10.2.1. Website general view .......................................... 120
5.10.2.2. WWW user selection ........................................... 120
5.10.3. FTP server ............................................................ 122
5.10.3.1. FTP user selection .............................................. 122
5.10.4. TCP/IP Modbus....................................................... 124
6. ACCESSORIES.................................................................... 125
7. ERROR CODES ................................................................... 125
8. TECHNICAL DATA................................................................ 127
9. ORDERING CODE ................................................................ 132

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1. APPLICATION
The P30U programmable transducer is designed to convert
temperature, resistance, direct voltage and direct current signals into
a standard DC voltage or DC current signal. The output signal is galva-
nically isolated from the input signal and power supply. The transducer
is tted with a 2x8 LCD screen.
Features of the P30U transducer:
• converting measured values into any output signal based
on an individual linear characteristic,
• calculating measured values using one of ve implemented
mathematical functions,
• calculating measured values based on a 21-point individual
characteristics,
• one or two NO (normaly open) relay alarms operating in 6 modes
• auxiliary power supply 24V DC 30mA switched on/off by software
(options),
• indication of exceeding the alarm values set,
• programming alarm and analog outputs with a reaction to selected
input value (main input, auxiliary input or RTC),
• real time clock (RTC) with independent battery supply
• recording the input signals in programmed time periods in the inter-
nal memory and on an SD/SDHC card (option),
• internal archive memory with 534336 record capacity,
• automatic decimal point setting,
• preview of preset parameters,
• password protected parameter change
• RS-485 interface support with the MODBUS protocol in RTU mode,
• programmable averaging time,
• Median lter with various number of samples
• SD/SDHC memory cards support – compatible with FAT and FAT32
le system (option),
• RS-485 interface Master mode – ability to poll a single slave device

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• RS-485 interface Monitor mode – ability to monitor transmission
on RS-485 interface and react to the value of the selected register.
• 10/100 BASE-T Ethernet interface (option)
• protocol: Modbus TCP/IP, HTTP, FTP,
• services: WWW server, FTP server, DHCP client
Fig.1. Various variants of P30U transducer.

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2. TRANSDUCER SET
- P30U transducer 1 pc.
- user’s manual 1 pc.
- guarantee card 1 pcs.
- plug-able screw terminal blocks 4 pcs.
3. BASIC REQUIREMENTS,
OPERATIONAL SAFETY
The transducer meets the requirements of EN 61010-1 standard
in terms of operational safety.
Safety precautions:
• The assembly and installation of electrical connections must be
carried out by a person authorized to install electrical equipment.
• Before switching the transducer on, one must check the correct-
ness of connections.
• The device is destined to be installed and used in industrial electro-
magnetic environment conditions.
• The building installation should be equipped with a switch
or an automatic circuit breaker located near the device,
which should be easy accessible by the operator and properly
marked.
• Removal of the transducer housing during the warranty period
may cause its invalidation.

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4. INSTALLATION
4.1. Mounting method
P30 transducers should be mounted on a 35 mm rail bracket
according to PN-EN 60715. Dimensions and method of mounting are
shown in gure 2.
Fig.2. Overall dimensions and method of mounting
the transducer.
Lock

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4.2. External connections diagrams
Fig.3. External connections diagram of the P30U transducer
For the connection of input signals in environments with a high noise
level, shielded wires should be used.