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DCD66xx series integrated temperature controller

Product Intro
The DCD66xx is a product that integrates multiple 3-wire PT100 acquisition channels and multiple NPN/PNP control output channels. The product provides one uplink RS485 communication interface and supports the standard Modbus RTU protocol.

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DetailsSpecsManuals

Product overview

The integrated temperature controller integrates temperature acquisition and control output, allowing for independent operation without the need for an external data collector. Based on the acquired temperature value (PV) and the setpoint (SV), the thermostat automatically calculates the PID output proportional value. It can control heating power devices through various output methods to achieve temperature control. The device provides one RS485 uplink interface for connection to a host computer, supporting up to 16 devices on the 485 bus. The device communicates using the standard Modbus RTU protocol.

The device features precise temperature control, excellent stability, strong anti-interference capabilities, and multi-level over-temperature protection. The system includes built-in functions such as output cessation upon over-temperature alarm and output shutdown upon exceeding the control temperature upper limit, effectively protecting the safety of the controlled items.

Model description

The integrated thermostat (DCD66xx) series includes 4 models, the detailed product appearance is shown below:

Device model list

Serial number	name	model	illustrate
1	Integrated thermostat	DCD6604	4-channel PT100 temperature acquisition, 4-channel PNP/NPN control output, DIN35 rail installation
2		DCD6608	8-channel PT100 temperature acquisition, 8-channel PNP/NPN control output, DIN35 rail installation
3		DCD6612	12-channel PT100 temperature acquisition, 12-channel PNP/NPN control output, DIN35 rail installation
4		DCD6616	16-channel PT100 temperature acquisition, 16-channel PNP/NPN control output, DIN35 rail installation

Product features

Industrial design

⚫ High-performance industrial-grade 32-bit processor

⚫ Supports long-term stable operation in temperatures ranging from -20°C to 85°C

⚫ High-temperature-resistant, flame-retardant PC casing

Reliability and stability

⚫ A watchdog timer ensures long-term stable system operation

⚫ A comprehensive protection mechanism ensures device stability

⚫ Built-in surge and ESD protection for the power supply and RS485 interface

⚫ Reverse polarity protection for the input power interface

⚫ Short-circuit protection for DO outputs

Ease of use

⚫ The device is mounted on a standard DIN35 rail.

⚫ Industrial-grade spring-loaded terminal blocks are used for easy installation.

⚫ Plug-and-play operation is supported, eliminating the need for complex configuration.

⚫ Communication utilizes the standard Modbus RTU protocol.

⚫ A front-mounted Type-C debugging interface facilitates debugging.

⚫ Supports configuration management via host computer software (TSC).

Product features

⚫ Supports up to 16 PT100 temperature acquisition channels and 16 control output channels (DO outputs are configurable as NPN or PNP).

⚫ Supports the Modbus RTU standard protocol and function codes 01, 03, 05, 06, 15, and 16.

⚫ The thermostat supports RS485 bus communication (up to 16 units), with the RS485 communication interface optically isolated.

⚫ The thermostat is easily installed using a standard DIN35 rail, boasting a compact design and minimal footprint.

⚫ The thermostat features open PID parameter settings, supporting independent PID settings for each channel.

⚫ The device has multiple over-temperature protection mechanisms.

⚫ Temperature control accuracy ≤±0.5°C, temperature acquisition accuracy ≤±0.5°C, and a resolution of 0.01°C.

Technical Parameters

DCD66xxtemperaturecontrollertechnicalparameters
project		DCD6604	DC6608	DCD6612	DCD6616
Equipmentpower supply	modeofconnect- ion	6P-3.50springterminal,powersupplyinput occupies2P
	workingvoltage	24VDC（12~36V）
	moduledissipation	≤1.5W
	Powerprotection	Surgeprotection,staticprotection,reverse protection
Equipmentcom- munications	interfacetype	6P-3.50springterminal,uplinkRS485commun- icationoccupies2P
	Numberofports	1RS485communicationinterface(uplinkconn- ectiontothehost)
	protocol	StandardModbus-RTUprotocol,supports 01,03,05,06,15,16functioncodes
	communication mode	SupportsRS485bususage(0x01~0x10)
	Serialportpara- meters	波特率:9600,19200,38400(默认)和115200 Checkbit:no,databit:8,stopbit:1
	transmissiondis- tance	≤1000m
	isolationmethod	Photoelectricisolation
	Portprotection	Surgeprotection,staticprotection
Collectionchannels	modeofconnect- ion	3.50Springterminals(3Pperchannel)
	Sensortype	PT100(2line/3lineconfiguration),default:3line configuration
	Numberofacqui- sitionchannels	4channel	8channel	12cha- nnel	16cha- nnel
	samplingperiod	≤100ms
	Measuringrange	0~250℃
	resolutionratio	0.01℃
outgoingchannel	interfacetype	3.50Springterminals(1Pperchannel)
	Numberofoutput channels	4channel	8channel	12cha- nnel	16cha- nnel
	Outputtype	NPNtype/PNPtype,default:PNP
	drivecurrent	≤60mA/channel
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designfeature	Shellmaterial	HightemperatureresistantflameretardantPC
	waytoinstall	StandardDIN55guiderailinstallation
	productsize	Height100mmwidth37.5mmdepth70.95mm (includingterminals87.25mm)
serviceenvironment	workingtempera- ture	-20~85℃
	Storagetempera- ture	-20~105℃
	Humidityatwork	10~95%(nocondensation)

Device port function

number	definition	explain
01	PanelLOGOand indicatorlights	RONSUO:BrandLOGO PWR(red):Powerindicatorlight,thedeviceispoweredon andalwayslitRUN(green/red):Statusindicatorlight,the greenlightflasheswhennormal,theredlightflasheswhen alarmRX(green):Thedeviceflasheswhenreceivingdata TX(yellow):The deviceflasheswhensendingdata Model:DCD66xx(xxindicatesthenumberofchannels)
02	Collection cha- nnelterminal	Temperature collection2groups24bits3.50spring terminal(referto2.2.3)supports4/8/12/16PT100tempe- raturecollection
03	Output channel terminals	Controloutput2groups10bits3.50springterminal(see 2.2.4)supports4/8/12/16PNP/NPNoutputs
04	485andpower terminals	6Position3.50springterminal(see2.2.2) A+/B-:Uplink485interface V+/V-：24VDC(12~36V) NC/PE:NCreserved/PEgroundend(connectiontothe earth)
05	Guiderailinstal- lationclip	StandardDIN55guiderailinstallationandfixingclip
06	debugginginte- rface	USB:TYPE-Cdebugginginterface(default921600,N,8,1)
07	Budcodeswitch	4Positioncodeswitch,devicestationnumberaddress setting(address1~16)
08	Firmwareupgr-	MiniUSBinterfaceforfirmwareupgrades

	adeinterface
09	Labelinformat- ionnameplate	Printequipmentbasicinformation,suchasmodel,power supply,workingtemperatureandsoon
10	Deviceinstallat- ionlocation	ThebackofthedevicehasastandardDIN35guide installationposition

Common faults

During device use, some faults may occur, and the user can restore the normal operation of the

device according to the faults and solutions listed below. If the problem cannot be solved, please contact our company.

Power Failure

Symptom: After powering on, all panel indicators are off.

Troubleshooting:

1. Check the power supply wiring for proper connection and contact with the terminals.

2. Check the power cable for reverse polarity.

3. Use a multimeter to measure the input voltage to ensure it is within the specified range (12-36 VDC).

Communication Failure

Symptom: RS485 communication failure

Troubleshooting:

1. Check the device parameters for correct configuration.

2. Check the panel indicators for correct display.

3. Check the communication wiring for correct configuration. After ensuring the wiring is correct, check the communication parameters for correct configuration.

4. Check the 485 DIP switch address for the correct communication address with the host computer.

Abnormal Temperature Acquisition

Symptom: Abnormal Temperature Acquisition

Troubleshooting:

1. Check the temperature sensor wiring for correct connection.

2. Check the terminal blocks for tightness and no looseness.

3. Check the temperature sensor for proper contact with the object being measured. 4. Check that the connected temperature sensor model matches the device model.

5. Check that the register address and quantity read by the host computer are correct.