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TCW241_R4.17

–

October 2022

Page 50

01: 7 space holders & Discrete Input 100 (0000 0001)
The 7 most significant bits are filled in with zeroes.

8.3.1.4.

Read Holding Registers (FC=03)

Request
This command is requesting the content of holding registers 19800.

03

4D58 0002

03: The Function Code 3 (read Holding Registers)
4D58: The Data Address of the first register requested (4D58 hex = 19800)
0002: The total number of registers requested. (read 2 registers each 2 byte = 4
bytes)

Response

03

4 41BD 0655

03: The Function Code 3 (read Sensor 1 Part 1 Holding Registers)
04: The number of data bytes to follow (2 registers x 2 bytes each = 4 bytes)
41BD 0655: 4 bytes value

All holding registers with float value are sent in big-endian.

In the example, the above value of 23.628 is sent.

Request
This command is requesting the content of holding registers 18100.

03

46B4 0020

03: Function Code 3 (read Sensor 1 description Holding Registers)
46B4: The Data Address of the first register requested (46B4 hex = 18100)
0020: The total number of registers requested (read 32 registers each 2 byte = 64
bytes)

Response

03 40 5365 6E73 6F72 3100 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000

03: Function Code 3 (read Analog Output Holding Registers)
40: The number of data bytes to follow (32 registers x 2 bytes each = 64 bytes)
5365 6E73 6F72 3100 0000 0000 0000 0000 0000 0000 0000 0000

0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000: 64 bytes value
All holding registers with strings are sent in big-endian.
The answer is padded with 0.
In the

example above string “Sensor1” is sent.

8.3.1.5.

Exception codes

All exceptions are signaled by adding 0x80 to the function code of the request, and
following this byte by a single reason byte for example as follows:

01 Illegal function

The function code received in the query is not an allowable action for the
controller.

02 Illegal data address

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Содержание TCW241

Страница 1: ...smtp...

Страница 2: ...ipients can be sent Alarm alert also can be sent by HTTP HTTPS Post with XML JSON status files An embedded real time clock provides scheduled time control of selected outputs the tasks can be either s...

Страница 3: ...Temperature and humidity control in data centers A building management system Industrial cooling heating control Home automation Alarm systems Mushroom plant automation Process monitor 4 Specificatio...

Страница 4: ...ct resistance 50 milli ohms max initial value Minimum pulse output 1 Hz at rated load 1 Wire interface Output voltage VW 5 0 0 3 VDC Maximum output current VW 0 2 A Internal FLASH memory Endurance 100...

Страница 5: ...1 for mechanical details Maintain spacing from adjacent equipment Allow 50 mm of space on all sides as shown in fig 2 in Appendix A this provides ventilation and electrical isolation TCW241 can be mo...

Страница 6: ...COM Relay2 Pin6 Digital In 4 Pin9 NO Relay2 Connector 8 Pin1 Analog In 1 Pin10 NC Relay1 Pin2 GND Pin11 COM Relay1 Pin3 Analog In 2 Pin12 NO Relay1 Pin4 Analog In 3 Connector 5 Pin1 1 Wire GND Pin5 G...

Страница 7: ...g inputs connection Attention Analog inputs are NOT galvanic isolated Analog inputs of TCW241 can be used for monitoring of DC voltage up to 60VDC They can be connected directly to batteries solar pan...

Страница 8: ...s with EMC interference We recommend reading Maxim s 1 Wire tips at http www maxim ic com app notes index mvp id 148 The sensors have three wires positive voltage VDD ground GND and bidirectional data...

Страница 9: ...internally connected directly to the terminal connectors For all relays normally open normally closed and common contacts are available For loads with higher switchable current voltage than specified...

Страница 10: ...rossover cable standard straight through can be also used TCW241 can be used in a wireless network by connecting through a wireless router 6 3 Communication setup By default TCW241 is delivered with t...

Страница 11: ...TCW241_R4 17 October 2022 Page 11 This address should be on the same network for example 192 168 1 3 To get access to the web interface you should type http 192 168 1 2 into the browser...

Страница 12: ...d to change the username and password to prevent unauthorized access to the controller The controller supports a few active session 7 1 Monitoring page Monitoring page displays the current state of TC...

Страница 13: ...ill not change the positions of other sensors after reset This option is very useful when TCW241 is used us a part of monitoring and control system managed either by SNMP or HTTP API commands For some...

Страница 14: ...on control of relays Pulse duration in seconds can be set separately for each relay in Setup Input Output Relay Outputs For locally activated relays a text description of the controlling parameter is...

Страница 15: ...andard authentication details For most SMTP servers the sender s e mail and username are the same There is a button for server settings test with feedback In this test sender and recipient of the e ma...

Страница 16: ...TCW241_R4 17 October 2022 Page 16...

Страница 17: ...a description up to 15 characters can be set Text written in Low level and High level is displayed on monitoring page for this input These fields accept up to 15 characters 7 2 3 3 Analog inputs For...

Страница 18: ...ginal parameter and can t be edited Virtual items can be used for alarm notifications in Functions and for local relay activation 7 2 3 5 Relay outputs For every relay a description up to 15 character...

Страница 19: ...nputs 7 2 4 1 1 Wire sensors analog inputs and virtual items For every sensor two type of fields are presented one to set trigger conditions Min Max and Hys and another one for alert notification If o...

Страница 20: ...ers are set for Sensor1 Min 19 Max 85 and Hys 0 5 When the controller is switched on Relay1 is immediately activated because the monitored temperature is out of range This switches the heater on The t...

Страница 21: ...alarm conditions 7 2 4 2 Digital inputs For every digital input alarm state should be chosen Open or Close When the input goes in alarm state 3 independent way of alert are possible e mail SNMP trap...

Страница 22: ...authentication details HTTP port for WEB access can be changed This is useful for some routers which don t support different outside inside ports for port forwarding By default HTTP port is 80 7 2 5...

Страница 23: ...ally For automatic clock synchronization the controller supports NTP Network Time Protocol and all necessary parameters for automatic synchronization are available in this section By default NTP synch...

Страница 24: ...e the range measured parameter on the 1 Wire bus goes outside the range restart condition SNMP trap is sent after reset Actual MIB file can be downloaded from here 7 3 3 HTTP post TCW241 can periodica...

Страница 25: ...schedule depending on repetition and duration single and weekly tasks Here are some examples A single task for a time period With above setting there will be an event on 06 04 2020 starts in 08 00 an...

Страница 26: ...tion parameters 7 3 6 Dynamic DNS With dynamic DNS TCW241 can be accessed from the public Internet without investing in a broadband account that has a static IP address TCW241 supports the following D...

Страница 27: ...ions in the tables below To obtain a valid OID number it is necessary to replace the x symbol with 1 3 6 1 4 1 38783 To save the changes configurationSaved OID x 2 3 5 0 should be set to 1 product OID...

Страница 28: ...r32 x 3 2 2 1 4 2 2 0 S41MINInt read write S41 minimum value x1000 in Integer format Integer32 x 3 2 2 1 4 2 3 0 S41HYSTInt read write S41 hysteresis value x1000 in Integer format Integer32 x 3 2 2 1...

Страница 29: ...tion read write Voltage 1 description DisplayString x 3 2 2 2 1 2 0 voltage1max read write Voltage 1 maximum Integer32 x 3 2 2 2 1 3 0 voltage1min read write Voltage 1 minimum Integer32 x 3 2 2 2 1 4...

Страница 30: ...arm 25 anySensor 26 anyAnal og 27 anyDigital 28 fu nc1 29 func2 30 shedule1 31 shedule2 32 shedule3 33 shedu le4 34 setup io relaysSetup relay2setup OID Name Access Description Syntax x 3 2 2 4 2 1 0...

Страница 31: ...larm 25 anySensor 26 anyAnal og 27 anyDigital 28 fu nc1 29 func2 30 shedule1 31 shedule2 32 shedule3 33 shedu le4 34 setup io relaysSetup relay4setup OID Name Access Description Syntax x 3 2 2 4 4 1 0...

Страница 32: ...3 2 2 5 2 3 0 virtualInput2min read write Virtual input 2 minimum Integer32 x 3 2 2 5 2 4 0 virtualInput2hyst read write Virtual input 2 hysteresis Integer32 x 3 2 2 5 2 5 0 virtualInput2Parent read...

Страница 33: ...Int read only S21 value x1000 in Integer format Integer32 x 3 3 1 2 2 0 s22Int read only S22 value x1000 in Integer format Integer32 x 3 3 1 2 3 0 s2ID read only S2 ID value OCTET STRING SIZE 16 monit...

Страница 34: ...Description Syntax x 3 3 3 1 0 digitalInput1State read only Digital1 Input State INTEGER closed 0 open 1 x 3 3 3 2 0 digitalInput2State read only Digital2 Input State INTEGER closed 0 open 1 x 3 3 3...

Страница 35: ...unctions OID Name Access Description Syntax x 3 3 10 1 0 func1State read only Funtion 1 State INTEGER false 0 true 1 x 3 3 10 2 0 func2State read only Funtion 2 State INTEGER false 0 true 1 x 3 3 10 3...

Страница 36: ...T datePrefix date YmdHis strtotime now pathname FOLDER SEPARATOR datePrefix _ FILENAME postdata file_get_contents php input handle fopen pathname w content var_export postdata true fwrite handle subst...

Страница 37: ...f HTTP API authentication is enabled basic access authentication is required to access the status xml file The format of the command is shown in the table below XML HTTP API authentication Format enab...

Страница 38: ...is 1 2 3 4 5 6 7 or 8 for the respective sensor t is 1 or 2 for the respective parameter of sensor sy81 2 0 will set Hys for sensor 8 parameter 1 delsen xxxx Notification delay for sensors xxxx is be...

Страница 39: ...k xxx HTTP Post key xxx is up to 17 characters save Save all previous changes except relays one in the FLASH memory As every save reflects the FLASH cycles endurance this command should be used very c...

Страница 40: ...C unit alarm 0 alarm min 40 0 min max 85 0 max hys 8 5 hys item1 item2 value value unit unit alarm 0 alarm min min max max hys hys item2 S1 S2 description S2 TSH2xx description id 015225B71700FF45 id...

Страница 41: ...in min max max hys hys item1 item2 value value unit unit alarm 0 alarm min min max max hys hys item2 S5 S6 description S6 description id 0000000000000000 id item1 value value unit unit alarm 0 alarm m...

Страница 42: ...cription value 0 04 value unit V unit multiplier 1 000 multiplier offset 0 000 offset alarm 0 alarm min 0 00 min max 60 00 max hys 0 01 hys AI2 AI3 description Analog Input 3 description value 0 05 va...

Страница 43: ...m 0 alarm min 0 0 min max 65 0 max hys 1 0 hys VI4 VI DI DI1 description Digital Input 1 description value OPEN value valuebin 1 valuebin alarmState CLOSED alarmState alarm 0 alarm DI1 DI2 description...

Страница 44: ...300 PushPeriod HTTPPush hwerr Alarmed 0 Alarmed Scannig Time Date 13 03 2018 Date Time 13 32 26 Time Time Monitor Where value value and unit unit means no 1 Wire sensor on this position alarm 1 alarm...

Страница 45: ...ax 100 0 hys 10 0 S3 description S3 id 0000000000000000 item1 value unit alarm 0 min max hys item2 value unit alarm 0 min max hys S4 description S4 id 0000000000000000 item1 value unit alarm 0 min max...

Страница 46: ...d 0000000000000000 item1 value unit alarm 0 min max hys item2 value unit alarm 0 min max hys S8 description S8 id 0000000000000000 item1 value unit alarm 0 min max hys item2 value unit alarm 0 min max...

Страница 47: ...000 alarm 0 min 0 00 max 60 00 hys 0 01 VI VI1 description Virtual Input 1 value 0 04 unit V multiplier 1 000 offset 0 000 alarm 1 min 0 00 max 12 50 hys 0 10 VI2 description Virtual Input 2 value 21...

Страница 48: ...ion Digital Input 4 value OPEN valuebin 1 alarmState CLOSED alarm 0 R R1 description Relay 1 value OFF valuebin 0 pulseWidth 0 1 control Virtual Input 3 R2 description Relay 2 value OFF valuebin 0 pul...

Страница 49: ...to the number of coils requested the last data field 01 contains the status of only 1 coil The 7 most significant bits in this data field are filled in with zeroes The activated relay is 1 8 3 1 2 For...

Страница 50: ...olding Registers 46B4 The Data Address of the first register requested 46B4 hex 18100 0020 The total number of registers requested read 32 registers each 2 byte 64 bytes Response 03 40 5365 6E73 6F72...

Страница 51: ...sensor51 9 sensor52 10 sensor61 11 sensor62 12 sensor71 13 sensor72 14 sensor81 15 sensor82 16 analog1 17 analog2 18 analog3 19 analog4 20 digital1 21 digital2 22 digital3 23 digital4 24 anyAlarm 25 a...

Страница 52: ...UTF 8 Example 2860B85F07000094 Sensor 1 8 Part 1 2 value 03 19800 32 bit Float Sensor 1 8 Part 1 3 row value 03 19900 32 bit Float Sensor 1 8 alarm status 03 20000 16 bit unsign int normal 0 alarm 1...

Страница 53: ...tory default with the reset button For factory default reset of all parameters following steps should be executed Press and hold the RESET button then turn on the power supply Yellow LED shines and re...

Страница 54: ...cable after installation Teracom does not guarantee successful operation of the product if the product was used under conditions deviating from the product specifications To ensure that the device wor...

Страница 55: ...TCW241_R4 17 October 2022 Page 55 Appendix A Fig 1 Fig 2...

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