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Summary of Contents for Simex Simpact SZP-73
- Page 1 ® SIMEX USER MANUAL for regulated current source family: SZP-73 type: 5.00 firmware version: or higher Read the user's manual carefully before starting to use the unit. Producer reserves the right to implement changes without prior notice. V.2.01 18.12.2007...
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Page 2: Table Of Contents
User manual for regulated current source SZP-73 CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY..................3 2. GENERAL CHARACTERISTICS........................4 3. TECHNICAL DATA............................4. DEVICE INSTALLATION..........................5 4.1. UNPACKING............................4.2. ASSEMBLY............................6 4.3. CONNECTION METHOD........................8 4.3.1. Calculation of max. permissible load resistance..............4.4. MAINTENANCE..........................5. FRONT PANEL DESCRIPTION........................12 6. -
Page 3: Basic Requirements And User Safety
User manual for regulated current source SZP-73 Explanation of symbols used in the manual: - This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction. IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES. -
Page 4: General Characteristics
User manual for regulated current source SZP-73 - Do not use the unit in areas with significant temperature variations, exposed to condensation or icing. - Do not use the unit in areas exposed to direct sunlight. - Make sure that the ambient temperature (e.g. inside the control box) does not exceed the recommended values. -
Page 5: Device Installation
User manual for regulated current source SZP-73 Housing type panel Housing material NORYL - GFN2S E1 Housing dimensions 72 x 36 x 97 mm Mounting hole 66.5 x 32.5 mm Assembly depth min. 102 mm Panel thickness max. 5 mm Operating temperature 0°C to +50°C Storage temperature... -
Page 6: Unpacking
User manual for regulated current source SZP-73 4.1. UNPACKING After removing the unit from the protective packaging, check for transportation damage. Any transportation damage must be immediately reported to the carrier. Also, write down the unit serial number on the housing and report the damage to the manufacturer. Attached with the unit please find: - user’s manual, - warranty,... - Page 7 User manual for regulated current source SZP-73 92 mm 5 mm 12 mm Figure 4.2. Installing of brackets, and dimensions of connectors. 91 mm Figure 4.3. Minimum distances when assembly of a number of units...
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Page 8: Connection Method
User manual for regulated current source SZP-73 4.3. CONNECTION METHOD Caution - Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations. - Page 9 User manual for regulated current source SZP-73 Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied. To avoid the unit of improper indications keep recommendations listed below. Avoid common (parallel) leading of signal cables and transmission cables together with –...
- Page 10 User manual for regulated current source SZP-73 +24V +5%, -10% RS - 485 Power max = 100mA supply DATA+ (depending on version) DATA- 18 19 20 6 7 8 9 n.c. n.c. n.c. PASSIVE current output Figure 4.5. Terminals description All connections must be made while power supply is disconnected ! FUSE Depending on version:...
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Page 11: Calculation Of Max. Permissible Load Resistance
User manual for regulated current source SZP-73 4.3.1. Calculation of max. permissible load resistance Power Supply 24 V DC load (measurement) resistance Figure 4.8 Circuit used for calculations Calculation of resistance R has been made using above circuit, following signatures has been assumed: - minimal current output supply voltage assuring its proper operation - maximal current measured in current loop (20 mA) -
Page 12: Maintenance
User manual for regulated current source SZP-73 4.4. MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user. Pay attention to the ambient temperature in the room where the unit is operating. Excessively high temperatures cause faster ageing of the internal components and shorten the fault-free time of unit operation. -
Page 13: Principle Of Operation
User manual for regulated current source SZP-73 6. PRINCIPLE OF OPERATION After turning the power supply on, device ID and software version are showed on the display, next the controller goes to the current source mode. After power on, output current can get default value (defined by user) or value equal to generated directly before power off (see MENU DESCRIPTION, parameters “Init”... -
Page 14: Device Programming
User manual for regulated current source SZP-73 All accessible parameters can be changed by entering the menu (see: DEVICE PROGRAMMING). Use the local keyboard or the remote controller to do it. (Note: all parameters can be remote changed via RS-485 interface). Configuration of the device (via menu or RS 485 interface) do not stops measures . -
Page 15: Parameters Edition
User manual for regulated current source SZP-73 7.2. PARAMETERS EDITION To start edition of any parameter user should select name of desired one using [^] [v] buttons and then press [ENTER] . 7.2.1. Numeric parameters (digit change mode) Numerical parameters are displayed as decimal numbers. The mode of its new value entering depends on chosen edit method ( see parameter „Edit”). -
Page 16: Menu Description
User manual for regulated current source SZP-73 Functions of buttons when editing numeric and switching parameters: While editing numeric parameter: • change of current (flashing) digit • slide change of value (acceleration, deceleration, direction change) While editing switch parameter - selection of switch parameter. If numerical parameter is being edited, a short press of [ENTER] button ENTER change edited position. -
Page 17: Init" Parameter
User manual for regulated current source SZP-73 7.3.4. “Init” parameter This parameter defines current generated after power on. It can be set to the following values “UdEF” user defined value equal to “IvAL” parameter “LASt” value equal to value of current generated directly before power off (its value is stored automatically) 7.3.5. -
Page 18: Edit" Parameter
User manual for regulated current source SZP-73 ”bAud” - this parameter determines RS-485 interface baud rate. It can be set to one of 8 possible values: ”1.2”, ”2.4”, ”4.8”, ”9.6”, ”19.2”, ”38.4”,”57.6”,”115.2”, which respond to the baud rates of 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200 bit/s respectively. -
Page 19: Menu Structure
User manual for regulated current source SZP-73 7.4. MENU STRUCTURE Current source mode Press and hold at least 2 seconds MENU MENU 4-digit user password entering (if it is different from „0000”) 0 _ _ _ ENTER ENTER Parameter MENU OUtL edition ENTER... -
Page 20: The Modbus Protocol Handling
User manual for regulated current source SZP-73 8. THE MODBUS PRO TOCOL HANDLING Transmission parameters: 1 start bit, 8 data bits, 1 or 2 stop bit (2 bits are send, 1 and 2 bits are accepted when receive), no parity control Baud rate: selectable from: 1200 to 115200 bits/second Transmission protocol:... -
Page 21: Transmission Errors Description
User manual for regulated current source SZP-73 - value stored to register 01h or 02h is automatically recalculated and stored to each other - after writing to register no 20h the device responds with an “old” address in the message. - after writing to register no 22h the device responds with the new baud rate. - Page 22 User manual for regulated current source SZP-73 b) The answer (if an error occur): ADDR FUNC ERROR CRC L,H ERROR - error code = 02h, illegal register address 2. Read of device ID code ADDR FUNC REG H,L COUNT H,L CRC L,H The answer: ADDR...
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Page 23: Default And User's Settings List
User manual for regulated current source SZP-73 5. Read of the registers 6, 7 and 8 in one message (example of reading a number of registries in one frame): ADDR FUNC REG H,L COUNT H,L CRC L,H COUNT L - the count of being read registers (max.16) The answer: ADDR FUNC... - Page 24 SIMEX ® SIMEX Sp. z o.o. , ul. Wielopole 7 PL - 80-556 Gdańsk, Poland tel. : (+48 58) 762-07-77, fax: (+48 58) 762-07-70 http://www.simex.com.pl, e-mail: info@simex.com.pl...
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