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Caen ELS EASY-DRIVER 0112 User Manual

Manual is about: Compact Digital Bipolar Power Supply Series

Summary of EASY-DRIVER 0112

  • Page 1

    Easy - dr ver compact digital bipolar power supply series user’s manual all rights reserved © caen els s.R.L. Rev. 1.18 – october 2017 m a g n e t p o w e r s u p p l y s y s t e m s.

  • Page 2

    2 this product is marked. Caen els s.R.L. C/o area science park s.S. 14 km 163,5 - 34149 basovizza (ts) italy mail: info@caenels.Com web: www.Caenels.Com.

  • Page 3: Easy-Driver User Manual

    3 easy-driver user manual this manual covers the following standard power supplies models: • easy-driver 0520 • easy-driver 1020 • easy-driver 0112 • easy-driver 0220 this manual covers the custom model named as following: easy-driver yyzz where: • yy is the maximum output current expressed in amps ...

  • Page 4: Table Of Contents

    Easy-driver user’s manual 4 table of contents 1. Introduction ..........................................................................................10 1.1 easy-driver o verview ......................................................................10 1.2 s ystem p arts ..............................

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    Easy-driver user’s manual 5 “mwsr” command ..........................................................................42 “mrp” command .............................................................................43 “mrt” command ...........................................................................

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    Easy-driver user’s manual 6 document revision date comment 1.0 october 10 th 2015 first release 1.1 december 14 th 2015 final and additional images inserted 1.12 june 11 th 2016 review installation chapter and technical specification chapter display 1.13 july 7 th 2016 updated table 10 for custom mo...

  • Page 7: Safety Information

    Easy-driver user’s manual 7 safety information the following table shows the general environmental requirements for a correct operation of referred instruments in this user’s manual: environmental conditions requirements environment indoor use operating temperature 0°c to 50°c operating humidity 20%...

  • Page 8: Do Not Open The Boxes

    Easy-driver user’s manual 8 damage to the equipment. Do not proceed beyond a caution sign until all indicated conditions are fully understood and met. Caen els will repair or replace any product within the guarantee period if the guarantor declares that the product is defective due to workmanship or...

  • Page 9

    Easy-driver user’s manual 9 • do not use this product in any manner not specified by the manufacturer. The protective features of this product may be impaired if it is used in a manner not specified in this manual. • do not use the device if it is damaged. Before you use the device, inspect the inst...

  • Page 10: 1. Introduction

    Easy-driver – user’s manual 10 1. Introduction this chapter describes the general characteristics and main features of the easy- driver digital bipolar power supply series. 1.1 easy-driver overview high efficiency, extreme reliability, overall performance and easiness of configuration and maintenanc...

  • Page 11: 1.2  System Parts

    Easy-driver – user’s manual 11 remote communication is guaranteed by means of an ethernet 10/100 auto- sensing socket accessible from each module front panel. 1.2 system parts the easy-driver unit is housed in a 1u – 19” crate that has embedded cooling (front-to-rear air flow). The front panel of th...

  • Page 12

    Easy-driver – user’s manual 12 dc output connectors are terminal-type ones that allows for easily connecting direct cables (suggested cross sectional area for load cables is rated at 6 mm 2 , or awg 10 – awg 9). The output connection terminal direction is indicated as shown in figure 3 . Figure 3: o...

  • Page 13: 2. Installation

    Easy-driver – user’s manual 13 figure 4: front panel indicators 2. Installation please read carefully this general safety and installation information before using the product. 2.1 preparation for use in order to be operational the power supply must be connected to an appropriate ac source. The ac s...

  • Page 14

    Easy-driver – user’s manual 14 scratched or cracked. Keep all packing material until the inspection has been completed. If damage is detected, compile the rma form available to the caen els web site..

  • Page 15: 2.3  Mounting

    Easy-driver – user’s manual 15 2.3 mounting the easy-driver module can be used either as a desktop unit or as a rack- mount device since the unit form factor is designed to be installed in a standard 19-inch cabinet. This power supply is fan cooled, the air intake is at the front panel and the exhau...

  • Page 16

    Easy-driver – user’s manual 16 2.3.2 desktop use the easy-driver power supply series can be used as desktop unit but a proper spacer shall be provided between the desk and the power supply in order to allow cable route from the bottom of the output connector to the load. 2.4 ac input power connectio...

  • Page 17

    Easy-driver – user’s manual 17 ac source requirement the easy-driver power supplies are designed for universal ac input range since it can operate with voltage from 100v to 240v and input frequency ranging from 47 hz to 63 hz. Installation category shall be cat ii so maximum impulse voltage on the n...

  • Page 18: 2.5  Load Connection

    Easy-driver – user’s manual 18 2.5 load connection turn off the ac input power before making or changing any rear panel connection, ensure that all connections are securely tightened before applying power. There is a potential shock hazard when using a power supply with a rated output greater than 6...

  • Page 19: 2.6  Interlock Connection

    Easy-driver – user’s manual 19 to make a secure and reliable connection a “wire ferrule terminal” is strongly suggested to use within the pilled wire as illustrated in figure 6. Dimension of the ferrule have to be suitable for the wire cross section being used. Figure 6: wire ferrule terminal tighte...

  • Page 20: 2.7  Grounding

    Easy-driver – user’s manual 20 status relay common pin and status relay normally open pin shall not float more than +/-60vdc above/below chassis ground. Voltage between interlock (+) and interlock return (-) shall never exceed ± 12 v. Voltage between interlock return (-) and protective ground shall ...

  • Page 21: 3. Easy-Driver Description

    Easy-driver – user’s manual 21 3. Easy-driver description 3.1 system architecture a description of the easy-driver unit is herein presented with some in-depth explanations on the basic power supply functionalities. The power unit is composed as follows: - an auxiliary ac/dc section that powers up th...

  • Page 22: 3.2  Internal Protections

    Easy-driver – user’s manual 22 this output stage is based on a full-bridge topology that allows smooth zero- crossing behavior to the unit and full bipolar operation. 3.2 internal protections each easy-driver module is equipped with multiple internal protections (hardware and software) to avoid unwa...

  • Page 23

    Easy-driver – user’s manual 23 this situation can be caused by a generic ac/dc power converter failure that do not provide voltage to the the dc/dc board. The intervention of this protection disables the output stage driving signals; as in the other cases, a fault condition is generated and a “dc-un...

  • Page 24

    Easy-driver – user’s manual 24 3.3 eeprom memory mapping each power supply module has an on-board eeprom memory that stores all information about calibration parameters, module identification, thresholds, etc. Some fields can be user-defined to exactly fit the power supply to the specific applicatio...

  • Page 25

    Easy-driver – user’s manual 25 please note that: - only cells marked in green are not read only in order to make changed parameters effectively updated and in operation it is necessary to send the mpup command to the easy-driver module first. (see ‘mpup command’ section for more information). Please...

  • Page 26: 3.4  Status Register

    Easy-driver – user’s manual 26 3.4 status register each easy-driver unit has an internal 8-bit status register that contains all useful information about the power supply operation; this register is updated in real- time and it is always accessible by the users via the remote connection. The interna...

  • Page 27

    Easy-driver – user’s manual 27 - external interlock – bit 5: this bit is set when the corresponding external interlock trips. The setting this external interlock bit implies the simultaneous setting of the fault bit;.

  • Page 28: 4. Local Display

    Easy-driver – user’s manual 28 4. Local display the easy-driver power supply module has a local lcd display that allows visual monitoring of some information. The start-up screen shows in sequence the following information: • the module type id and firmware release. • the module ip address • the mod...

  • Page 29: 5. Remote Control

    Easy-driver – user’s manual 29 5. Remote control the easy-driver power supply module can be remotely controlled via a standard ethernet 10/100 link using a predefined set of commands. 5.1 preliminary information in order to ensure a correct communication with the unit, the following rules have to be...

  • Page 30

    Easy-driver – user’s manual 30 mri read output current value r mrid read module identification r mrm set output current value (ramp) w mrp read dc-link voltage value r mrsr read current slew rate r mrt read output stage heatsink temperature r mrts read regulation shunt temperature r mrv read output ...

  • Page 31: 5.3  Commands Overview

    Easy-driver – user’s manual 31 5.3 commands overview the power supply controller replies every time that a termination character ‘\r’ is received. Replies could have different behaviors: • an acknowledgment ‘#ak\r’ string is sent back in case of a correct setting command; • a non-acknowledgment ‘#na...

  • Page 32

    Easy-driver – user’s manual 32 “fdb” command the fdb command was especially developed for operation on global feedback control systems. This command allows in a single write/read operation to set the main power supply parameters (as on-off, output current value, etc.) and to have a reply from the po...

  • Page 33

    Easy-driver – user’s manual 33 the set_register must be interpreted and set as follows: fdb command register (8bit): bit function: bit 7 bypass command bit 6 on/off bit 5 reset bit 4 ramp bit 3…0 don’t care table 8: set register it is important to notice that the feedback command can be used as a si...

  • Page 34

    Easy-driver – user’s manual 34 “moff” command the ‘moff\r’ command is intended to turn off the easy-driver output driver, thus disabling the output current terminals. The ‘moff\r’ command automatically sets a “disabling” signal for the h-bridge driver; possible voltage overshoots obtained from the e...

  • Page 35

    Easy-driver – user’s manual 35 “mon” command the ‘mon\r’ command is intended to turn on the easy-driver output driver, thus enabling the output current terminals and allowing the power supply to regulate and feed current to the connected load. After the reception of an ‘mon\’ command, the power supp...

  • Page 36

    Easy-driver – user’s manual 36 “mreset” command the ‘mreset\r’ command has to be used in order to perform a complete reset of the module status register: this is needed, for example, to enable the output again after a fault condition has been fixed. Replies from the easy-driver module are always in ...

  • Page 37

    Easy-driver – user’s manual 37 “mrg” command the ‘mrg\r’ command returns the value stored in the “value” parameter of a desired eeprom cell. The correct form for the reading request is as follows: #mrg: cell_num \r where: - cell_num is the eeprom cell number. The on-board eeprom memory - used to sto...

  • Page 38

    Easy-driver – user’s manual 38 “mri” command the ‘mri\r’ command returns the readback value of the power supply actual output current. Current readback values have a 20-bit resolution (19-bit + sign) and they are presented with a 5-digit precision. Replies from the power supply to this command are i...

  • Page 39

    Easy-driver – user’s manual 39 “mrid” command the ‘mrid\r’ command returns the easy-driver identification name as a string. The reply from the power supply contains the value stored in cell 27 of the module eeprom and it assumes the following format: #mrid: module_id \r where: - module_id is the mod...

  • Page 40

    Easy-driver – user’s manual 40 “mrm” command the ‘mrm’ command is used to set the value of the desired output current set- point: #mrm: value \r where: - value is the output current desired set-point [a]. The difference between the ‘mwi\r’ command and the ‘mrm\r’ command is that the first one genera...

  • Page 41

    Easy-driver – user’s manual 41 “mrsr” command the ‘mrsr\r’ command returns the value of the power supply actual ramp slew rate setting. Replies from the easy-driver power supply to this command are in the following format: #mrsr: value \r where: - value is the used slew rate for ramp [a/s]. Example:...

  • Page 42

    Easy-driver – user’s manual 42 “mwsr” command the ‘mwsr’ command is used to set the value of the ramp slew rate: #mwsr: value \r where: - value is the slew rate for the ramp [a/s]. The accepted slew rate values are in the range [0-1000]. The start-up slew rate value is the one that is set in the eep...

  • Page 43

    Easy-driver – user’s manual 43 “mrp” command the ‘mrp\r’ command returns the value of the bulk power supply actual voltage, i.E. Dc link, measured at the easy-driver module input terminals. Replies from the power supply to this command are in the following format: #mrp: value \r where: - value is th...

  • Page 44

    Easy-driver – user’s manual 44 “mrt” command the ‘mrt\r’ command returns the value of the temperature directly measured on an output stage mosfet heatsink. This value is presented to the user with a 0.01 °c (= 0.01 k) resolution. Replies from the easy-driver power supply to this command are in the f...

  • Page 45

    Easy-driver – user’s manual 45 “mrts” command the ‘mrts\r’ command returns the value of the temperature directly measured on the regulation shunt resistor case. This value is presented to the user with a 0.01 °c (= 0.01 k) resolution. Replies from the power supply easy-driver controller to this comm...

  • Page 46

    Easy-driver – user’s manual 46 “mrv” command the ‘mrv\r’ command returns the readback value of the power supply actual output voltage, measured at the easy-driver module output terminals. As for the output current, voltage readback values have a 20-bit resolution (19- bit + sign) and they are presen...

  • Page 47

    Easy-driver – user’s manual 47 “mst” command the ‘mst\r’ command returns the value of the power supply internal status register (8 bit). Replies from the easy-driver power supply to this command are in the following format: #mst: value \r where: - value is the ascii representation of the internal st...

  • Page 48

    Easy-driver – user’s manual 48 “mver” command the ‘mver\r’ command returns information about the easy-driver module currently installed firmware version. The response to an ‘mver\r’ command is in the following format: #mver:easy-driver: mod:dsp_ver \r where: - mod is the easy-driver model type – e.G...

  • Page 49

    Easy-driver – user’s manual 49 “mwg” command the ‘mwg’ command lets users write a desired “value” (cell_content) item in a defined eeprom cell. The correct form format for this command is as follows: mwg: cell_num : cell_content \r where: - cell_num is the eeprom cell number; - cell_content is the a...

  • Page 50

    Easy-driver – user’s manual 50 “mpup” command the parameters stored in the eeprom that are essential for the operation of the power supply like calibration parameters, thresholds values, pid values, are loaded in dsps at start-up. After a modification of any cell of the eeprom to effectively update ...

  • Page 51

    Easy-driver – user’s manual 51 “mwi” command the ‘mwi’ command can be used to set the output current value and it is used when fast set-point changes are needed. The use of this command is alternative to the mrm (module ramping): the power supply reaches the desired output current value just using t...

  • Page 52

    Easy-driver user’s manual 52 6. Ip address configuration in order to correctly configure the ip address remotely after the easy-driver module has been shipped there are two possible ways: • the deviceinstaller® software; • a basic telnet connection to port 9999; please note that all modules are ship...

  • Page 53

    Easy-driver user’s manual 53 6.1 deviceinstaller® software the deviceinstaller® software can be downloaded from the lantronix website www.Lantronix.Com and the telnet connection can be established either using the software itself or a simple command line socket (on all operating systems). The easy- ...

  • Page 54

    Easy-driver user’s manual 54 • select “assign a specific ip address” and then click “next”; • complete the “ip address” field and click on “next”; • click on the “assign” button; • wait for the assignment procedure to end, and then click “finish”. The new module ip address should now be assigned and...

  • Page 55

    Easy-driver user’s manual 55 7. Easy-driver remote reboot the easy-driver module can be rebooted either locally (by pushing the reset button on the front panel) or remotely. The procedure to remotely reboot the module is the following: a. Establish a udp connection with the easy-driver on the port 3...

  • Page 56

    Easy-driver user’s manual 56 8. Technical specifications technical specifications for easy driver power units are hereafter presented. Easy-driver “0520” model “1020” model “0220” model “0112” model output current range ± 5 a ± 10 a ± 2 a ± 1 a output voltage range ± 20 v ± 12 v maximum output power...

  • Page 57

    Easy-driver user’s manual 57 auxiliary adc read-backs (12 bit resolution) dc-link voltage mosfets temperature shunt temperature cooling forced air convection – front-to-rear drivers epics connection ethernet 10/100 mbit tcp-ip extra-features user-settable slew rate value firmware remote update dimen...

  • Page 58: 9. Mechanical Dimensions

    Easy-driver user’s manual 58 9. Mechanical dimensions mechanical dimensions of the easy-driver power supply crate are hereafter shown (all dimensions in mm):.