HANYOUNG NUX ML-D2H Instruction Manual
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HANYOUNG NUX ML-D2H Instruction Manual

Module type temperature control system
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  • Page 2 A/S Center personnel on the phone. * Prior to sending request, please check if questions and answers for the same problems are posted in the FAQ section of homepage. HANYOUNG NUX 28, 71Beon-gil, Gilpa-ro, Nam-gu, Incheon, 402-205, Korea TEL : (032)867-0941 (main phone line) FAX : (032) 868-5899 URL : http://www.hynux.com...

  • Page 3: Table Of Contents

    2.4 Power supply and communications interface(RS485/RS232C) 9 2.5 Event output unit connections 3.1 Protocol composition 3. Run 3.2 Register composition 3.2.1 ML-D2H register composition 3.2.2 ML-D2H register description 3.2.3 ML-D4의 register composition 3.2.4 ML-D4 register description 3.3 Manipulation and working 3.3.1 Input section...

  • Page 4: Before Starting 1.1. Overview

    Direct current (4 – 20 mA) : Set input type as direct current (1 -5 V), attach 250 Ω of electric resistance at both ends of input terminal Current Transformer (CT) : 2 channel, AC 1 – 50A (primary current measuring range), apply only to ML-D2H ■ Control output type Depending on output type of model composition, fixed in one among REALY, voltage pulse (SSR), and current output (SCR).
  • Page 5 1.2.1 Model composition ■ Module type temperature controller (ML-D2H) Model Code Details ML-D ☐ Module type temperature controller Number of 2 channel channels Heating/cooling control (simultaneous), heater break Function alarm (HBA) OUT1 (heating) Relay output OUT2 (cooling) OUT1 SSR / SCR (4 -20 mA d.c.)

  • Page 6: Safety Cautions

    1.3. Safety Cautions 1.3.1 Cautions for safety ● For protection and safety of product and system connected to product, please use product according to safety instructions of this manual. ● The company will not be held responsible for all safety related issues and loss caused by carelessness and others, for use or treatment not following directions of instruction manual.

  • Page 7: Installation

    2. Installation 2.1 Installation place and cautions 2.1.1 Installation place ● To avoid risk of electric shock, use after panel penal is installed to this product. ● Do not install product at following places. - Place that people can come into contact with terminal without awareness. - Place directly exposed to mechanical vibrations or shocks - Place exposed to corrosive gas or combustible gas - Place with large change of temperatures...

  • Page 8: Exterior Dimensions Of Product

    2.2 Connection diagram 2.2.1 Name of each part █ ML-D2H Name Function ③ ① Power supply, communication, event, control ① Status indication LED ④ ② output, heater break event indication ② Loader Jack RS232C communication input terminal RS485 communication address setting switch ⑤...
  • Page 9 ● As there is danger of electric shock while current is flowing, make sure not to touch terminal. ● Make sure to connect after disconnecting power source voltage. ● For users, do not touch other than above mentioned terminals here. ● ML-D2H 1 CH 2 CH...
  • Page 10 ※ 24 V d.c. terminal Power supply section has no polarity of (+) (-) for power supply connection 2.3 Exterior dimension Unit : ㎜ 96.90 87.00 9.90 6.00 30.00 13.75 1.50 ML-D4 ※ The dimensions of ML-D2H and ML-D4 are same...

  • Page 11: Power Supply And Communications Interface(Rs485/Rs232C)

    2.4 Power supply and communications interface (RS485/RS232C) 2.4.1 Power supply and communications interface ● When using ML Series as one module by connecting several units, supply power cable and communications line to only one unit. Required maximum power capacity is 32 units X 7 W= 224 W when making up 32 unit module.
  • Page 12 2.4.2 RS232C communication RS232C communication is used to control one Unit, and communicates only with Loader Jack. For RS232C communication, despite Address setting switch, automatic setup is provided such as communications Address "1", protocal "PC-LINK", communication speed "9,600bps", start bit "1 bit", data length "8 bit", parity bit "even number”, stop bit "1 bit." Even with RS232C communication, remote control and monitoring of connected unit is possible.

  • Page 13: Event Output Unit Connections

    2.5 Event output unit (ML-E) connections ML-E has no communications address, and sends output by receiving signal with side ● connector during module composition. RS485 ML-E can be located and connected anywhere during module composition. ● When making up as one module, only 1 unit should be connected. ●...

  • Page 14: Run

    3. Run 3.1 Protocol composition ● Overview - This product supports RS232C/485 communications, basic functions can be tested or operated such as control, monitoring, and others using operating program provided in the computer. - Protocols supported include PC-Link, PC-Link with SUM, Modbus, ASCII, Modbus RTU. 3.1.1 PC-LINK protocol - Communication of product is performed with ASC II character string, defined Register can be read and written.
  • Page 15 ⑵ DRR Command - Use when reading random D Register value - On frame, enter number of data to be read and D Register number on frame <Transmission frame> Byte size Description STX Address DRR D Register(1) D Register(n)  EA : 01~32 <Reception frame>...
  • Page 16 ⑸ WHO Command - Can see product info. with WHO Command <Transmission frame> Byte size Description Address Reception frame Byte size Description STX Address Name & Version - : Byte size changes depending on model name and version ⑹ Reply at error - When receiving Command, this product transmits reception frame proper to corresponding frame However, if there is an error in reception Command, following NG Frame is transmitted.
  • Page 17 3.1.3 MODBUS-RTU Protocol ● Frame structure Frame I n s t r u m e n t F u n c t i o n Frame Frame heading Data code confirmation CRC terminating character character none 8 bit 8 bit n x 8 bit 16 bit None...
  • Page 18 ● Function code 06 (WRITE SINGLE REGISTER) With function code 06, details of one certain register can be recorded. <Transmission frame> Serial number Details Size Frame head character None Device number 8 bit 01 h Function code (06) 8 bit 06 h Record start register (high) 8 bit...
  • Page 19 <Reception frame> Serial number Details Size Frame head character None Device number 8 bit 01 h Function code (08) 8 bit 08 h Diagnosis code (high) 8 bit 00 h Diagnosis code (low) 8 bit 01 h Transmission data (high) 8 bit 12 h Transmission data (high)

  • Page 20: Register Composition

    3.2. Register composition 3.2.1 ML-D2H Register composition Description +100 +200 Description by channel PV.1 PV.1 PV.2 Process value Process value PV.2 SV.1 SV.2 Set vlalue MV.1 MV.2 Manipulated value CHSTS.1 CHSTS.2 Channel status EVSTS.1 EVSTS.2 Event status SV.1 OUTSTS.1 OUTSTS.2...
  • Page 21 Description +100 +200 Description by channel R/S_SAVE Power outage recovery setting EVSTOP.1 EVSTOP.2 Stop Running at event occurrence PARA_INIT Parameter initialization HBC.1 HBC.2 Heater break current value HBA.1 HBA.2 Heater break event current value HB_HYS.1 HB_HYS.2 Heater break hysteresis PB.1 PB.2 Heating control Proportion control value TI.1...

  • Page 22: Ml-D2H Register Description

    3.2.2 ML-D2H register description Register range Details 0 0 0 1 ( 0 ) ~ 0 0 9 9 ( 6 3 ) CH1~2 PV, SV, MV, TSV, CHSTS, EVSTS and common channel setting ※ Please use address 0 1 0 1 ( 6 5 ) ~...
  • Page 23 Register Symbol address (HEX) Property Initial Description Setting range Unit (R/W) value n : Number of channel 0: NO run return Power outage recovery 47(2F) R/S_SAVE setting 1: run return 48(30) PARA_INIT Run parameter initialization R/W 1: Parameter initialization All events OR running 7 Bit(128): Set “1”...
  • Page 24 Register address Symbol Property Initial (HEX) Description Setting range Unit (R/W) value n : Number of channel 97(61) R_SYS System data 98(62) R_OPT Option data 99(63) ROMVER Firmware version 101(65) 201(C9) Process value EU (0 ~ 100%) ℃ 102(66) 202(CA) Set vlalue EU (0 ~ 100%) ℃...
  • Page 25 Register address Symbol Property Initial Description Setting range Unit (HEX) (R/W) value CH2 n : Number of channel 10: PV low limit None(OFF) 11: PV high limit (stand by) 1:Deviation high limit 12:PV low limit (stand by) 2: Deviation low limit 13: SV high limit 3.
  • Page 26 Register Symbol Property address (HEX) Description Setting range Unit Initial value (R/W) n : Number of channel Set SV change time RHRS 0 ~ 100 hour (A3) (107) (hr.) at RAMP control 0: Reverse run (heating) control Set control run (A4) (108) 1: Direct run (cooling)

  • Page 27: Ml-D4의 Register Composition

    3.2.3 ML-D4 Register composition Description +100 +200 +300 +400 Description by channel PV.1 PV.1 PV.2 PV.3 PV.4 Process value PV.2 SV.1 SV.2 SV.3 SV.4 Set value Process value PV.3 MV.1 MV.2 MV.3 MV.4 Manipulated Value PV.4 CHSTS.1 CHSTS.2 CHSTS.3 CHSTS.4 Channel status EVSTS.1 EVSTS.2...
  • Page 28 Description +100 +200 +300 +400 Description by channel LBA.1 LBA.2 LBA.3 LBA.4 Loop break event time RUN/STOP LBD.1 LBD.2 LBD.3 LBD.4 Loop break event dead band Power outage Stop running at event R/S_SAVE EVSTOP.1 EVSTOP.2 EVSTOP.3 EVSTOP.4 occurrence recovery setting Parameter PARA_INIT initialization...

  • Page 29: Ml-D4Register Description

    +100 +200 +300 +400 Description Description by channel ADDR Switch address MAX_CH Number of channels R_SYS System data R_OPT Option data ROMVER Version 3.2.4 ML-D4register description Register address (HEX) Description 40001(0) ~ 40099(63) CH1~4 PV, SV, MV, TSV, CHSTS, EVSTS and common channel setting 40101(65) ~ 40199(C7) CH1 related setting ※...
  • Page 30 Register address (HEX) Symbol Property Initial Description Setting range Unit CH4 n : Number value (R/W) of channel Run parameter 1: When PARA_SAVE “1” is set, save 34(22) PARA_COPY parameters manually save 0:Stop mode 36(24) 37(25) 38(26) 39(27) CHMD.n Set channel mode R/W 1: Monitor mode 2: Run mode 0: PID auto tuning (AT) stop...
  • Page 31 Register address (HEX) Symbol Property Initial Description Setting range Unit CH4 n : Number value (R/W) of channel 0 : PC-LINK Communication 0 (PC- 1 : PC-LINK with SUM 86(56) LINK) 2 : Modbus ASCII protocol 3 : Modbus RTU 0 : 9600 bps Transmission 1 : 19200 bps...
  • Page 32 Register address (HEX) Parameter Property Initial Description Setting range Unit n : Number value (R/W) of channel Reference junction compensation EU (0 ~ 100%) ℃ (6B) (CF) (133) (197) temperature value Thermo couple EU (0 ~ 100%) ℃ (6C) (D0) (134) (198) (TC) value...
  • Page 33 Register address (HEX) Parameter Property Description Setting range Unit Initial value n : Number of (R/W) channel 154(9A) 254(FE) 354(162) 454(1C6) Set 2 DOF PID ALPHA 1 ~ 100 155(9B) 255(FF) 355(163) 455(1C7) Set Manual Reset 0.0 ~ 100.0 RELAY : 30 Sec.

  • Page 34: Manipulation And Working

    3.3. Manipulation and run 3.3.1 Input section ● Input type (INP) It is a parameter setting input signal (sensor) type, and once this input type is set, input scope (range) and decimal point indication or not is determined depending on the type of input. Input type can be set differently by channel.
  • Page 35 ● Input correction (BS) Parameter to be set when temperature correction to Process value (PV) is required Reading can be expressed as addition of reading before input correction and set value of input correction. ● Input filter (FL) Parameter to remove noise when it comes in to Process value (PV) repetitively. Noise not only impairs control feature, but also causes surge in manipulated value.

  • Page 36: Control Section

    3.3.2 Control section ● Channel mode (CHMD) Channel mode consists of 3 types including “stop mode”, “monitor mode”, and “run mode” and different setting for each channel is possible. Setting are completed at channel mode (CHMD) parameter, run status at each channel mode ●...
  • Page 37 3.3.2 Dead band of heating/cooling control (HC_DB) Upon heating/cooling control, dead band of heating side and cooling side manipulated value can be set up. For ON/OFF control, dead band of both heating side and cooling side is as follows. Hysteresis Hysteresis Heaating side output Colling side output...
  • Page 38 ● Proportional Band (PB), Integral Time (TI), Differential time (TD) Constant to control PID. These parameters are set up automatically if auto tuning (AT) is performed ● Auto tuning (AT) Normally, for 2 DOF P.I.D control, Values of P.I.D constants such as proportional band (PB), integral time (TI), differential time (TD) should be set to targeted temperature value of equipment to be controlled, and proper values be applied.
  • Page 39 ● Output cycle (CT) A cycle that becomes ON and OFF of RELAY or voltage pulse (SSR) output is called “output cycle” and can be set at CT parameter. For RELAY output, if output cycle is set short, it can show quick responses, but lifespan is shortened.
  • Page 40 ● Manipulated Value (MV) high limit (OHL)/low limit (OLL) Controlled manipulated value can be limited by high limit value (OHL) and low limit value (OLL) Output signal 20 ㎃ 12 ㎃ 4 ㎃ Output limit(%) -5 % 50 % 105 % Low limit Possible High limit...
  • Page 41 ● Ramp function (RATE) It refers to the inclination that reaches set value (SV) after change from set value (SV) before change, temperature value set at RTUP (SV increasing temperature), RTDN (SV decreasing temperature) set value can have inclination of (temperature value / time), and be increased or decreased based on time set at RTMIN(SV transit time (min.)), RTHRS(SV transit time (hour)).

  • Page 42: Event Section

    Relay output to event bus 1~8 occurs Process event 1~8 Relay output to event Process event 1~8 at ML-D2H 1~8 occurs at ML-E at ML-D4 If one module is made up with several units combined, event bus output occurs with OR condition.
  • Page 43 Deviation high/ low limit Stop/monitor (Ready) Within deviation range Fail PV high limit ※ O: have stand by, X: do not have stand by *1: Only for ML-D2H Run based on event type is as follows. Event Event Event Event type...
  • Page 44 ● Event set value (EVVL) and event hysteresis (EVHY) Event set value is set at EVVL parameter, and event hysteresis at EVHY. Setting range is different depending on event type. Event type Setting range Initial value Hysteresis Deviation high limit EUS (0 ~ 100 %) EUS (100 %) EUS (0 ~ 10 %)
  • Page 45 Event type Event motion Start run PV high limit event with stand by run Event Stand by Start run PV high limit event without stand by run Event ● Loop break event With loop break alarm function, state such as heater break and incorrect wiring, break and short circuit of temperature sensor, and output circuit irregularity can be detected.

  • Page 46: Status Indication And Set Up

    ● Run, stop/monitor (Ready), FAIL event For run state event, event (EV) LED is not turned on even when corresponding event occurs, and with no impact at parameters of event state (EV_STS), event channel state (EVSTS.[1~4]) by input channel, and event channel state (EVSTS.[1~8]STS) by input channel, and has effect only when used by connecting with event unit (ML-E8).
  • Page 47 ● LED display at warning occurrence LED state display Warning occurrence state 1. System Data error When “[Warning group2] alert occurs, 2.Calibration Data error all LEDs repeat 0.5 second cycle blinking 3. Input circuit error 4. EEPROM error 1. Auto tuning is not terminated within 24 hours When “[Warning group1] alert occurs, 2.
  • Page 48 ● Event channel state indication At event occurrence, front section event (EV) LED is turned on and it can be verified with parameters below. Parameter Description Event status (EV_STS) If at least one event of pre-set event channels occurs, “1” is set. Event channel state can be confirmed by input channel.

  • Page 49: Warning Occurrence And Handling

    ●Execute all parameter save (PARA_COPY) When parameter is not saved by RS485 communication, with this function, all parameters can be saved by setting PARA_SAVE to “1”. When parameters such as set value (SV) change frequently, this is used to increase memory lifespan by saving parameter at desired time after setting PARA_SAVE to “1”, in order to prevent shortening lifespan of memory, where parameters are saved 3.3.5 Warning occurrence and handling Depending on warning occurrence type, process value (PV) and Manipulated Value (MV) are...

  • Page 50: Specifications

    4. Specification ▶ Performance Degree of indication ±0.3% of FS ±1 Digit Insulation resistance Over 500 V d.c. 20 M Ω (between power section and input terminal) Withstanding voltage 750 V a.c. 1 min. (power section and input terminal) ▶ Input Thermo couple K, J, E, T, R, B, S, L, N, U, W, PL2 Individual section by channel through...
  • Page 51 ▶ Control function PID (heating/cooling concurrent control) / 2 DOF PIC (single control) ML-D2H Control / ON-OFF control method ML-D4 2 DOF PID (Auto tuning support) / ON-OFF control Random selection of reverse run (heating) / forward run (cooling) Control run...
  • Page 52 ▶ RS485 communication Communication method RS-485 EIA standard / 2 line type semi-double Maximum number of 31 units access Maximum communication 1200 m distance Communication sequence No sequence Communication speed 9600, 19200, 38400, 76800 bps [initial value: 9600] Start bit 1 bit Data length 7, 8 bit [initial value: 8]...
  • Page 53 Control state by channel (CH1 ~ CH4): red turns on ▶ Event output (ML-E) Contact point method: 1a contact point RELAY 250 V a.c. 3 A, 30 V d.c. 3 A ML-D2H ML-D4 0 : None(OFF) 0 : None(OFF) 1 : Deviation high limit...
  • Page 54 MA0616E170320 series HANYOUNG NUX CO.,LTD. 28, Gilpa-ro 71 beon-gil, Nam-gu, Incheon, Korea Tel : +82-32-876-4697 Fax : +82-32-876-4696 E-mail : overseas@hynux.com...

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Ml-d4Ml-d seriesMl seriesMl-e

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