iSMA iSMA-B-W0202 User Manual Download Page 5

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iSMA-B-W0202 User Manual

www.ismacontrolli.com

DMP263en | 1st Issue rev. 3 | 05/2022

page 5 of 41

•

1.1 Revision History

Rev.

Date

Description

1.0

28 Apr 2015

First edition

1.1

29 Dec 2016

New HVAC functions Heating and Cooling based on output

thermostatic control with a setpoint and differential value

setting;

Added new input mode Time Relay NC [ms], Time Relay

NO and NC in seconds, Input Forwarding;

Added new input mode: Ordinary IO, Monostable Relay,

Bistable Relay, Time Relay NO and NC [ms], Time Relay NO

and NC in seconds, Input Forwarding, Heating, Cooling with

corresponding Modbus registers;

Added reset output to default after input mode change;

Added power Led flashing after I/O watchdog triggered;

Changed I/O watchdog reset after read/write registers

through USB;

Added immediately detecting sensors short circuit and

disconnection regardless of filter settings on universal

inputs.

1.2

17 Dec 2018

Added watchdog functionality for the Radio, if the radio does not

receive the correct packet for 180 seconds, the radio module will

restart.

1.3

25 May 2022

Rebranded

Table 1. Revision history

Summary of Contents for iSMA-B-W0202

Page 1: ...www ismacontrolli com DMP263en 1st Issue rev 3 05 2022 iSMA B W0202 User Manual Wireless Modbus RTU ASCII ...

Page 2: ...nputs and Outputs 12 5 1 Special Inputs 12 5 1 1 Voltage Measurement 0 10 V 12 5 1 2 Temperature Measurement 12 5 1 3 Dry Contact 13 5 2 Digital Outputs 13 5 2 1 Solenoid Valve 13 5 2 2 Resistive Load 14 6 Configuration 15 6 1 Communication 15 6 2 Special Inputs 15 6 3 Digital Outputs 16 6 4 Radio Settings 16 6 5 Radio Status 17 7 Modbus Registers 18 7 1 Configuration Registers 18 7 1 1 Firmware V...

Page 3: ...7 3 Special Inputs Registers 25 7 3 1 Status of Special Inputs Working as Digital Inputs 30017 25 7 3 2 Special Input Voltage Measurement 1 2 30071 30073 25 7 3 3 Special Input Temperature Measurement 1 2 30072 30074 26 7 3 4 Special Input Resistance Measurement 1 2 30103 30104 30105 30106 26 7 3 5 Fast Counter 40023 40024 40025 40026 26 7 3 6 Resetting Counters Values 40022 26 7 3 7 Special Input...

Page 4: ...V AC 30 V DC 3 A It allows to use the device as an I O module or light controller communicating with Modbus RTU ASCII Algorithm implemented in the processor allows the user to choose one of the three different modes Modbus Bridge Modbus Bridge and I O module digital outputs work independent to special inputs Modbus Bridge and light controller digital output states depend on assigned special inputs...

Page 5: ...ay Bistable Relay Time Relay NO and NC ms Time Relay NO and NC in seconds Input Forwarding Heating Cooling with corresponding Modbus registers Added reset output to default after input mode change Added power Led flashing after I O watchdog triggered Changed I O watchdog reset after read write registers through USB Added immediately detecting sensors short circuit and disconnection regardless of f...

Page 6: ...henomena like surges and bursts to devices They also isolate products from inductive phenomena from other transformers and loads Power supply systems for the product should be protected by external devices limiting overvoltage and effects of lightning discharges Avoid powering the product and its controlled monitored devices especially high power and inductive loads from a single power source Powe...

Page 7: ...f resistance from 0 to 1000 kΩ Resistance measurement method Voltage divider Dry contact input Output current 1 mA Measurement resolution 12 bits Fast counters 50 Hz 100 Hz Digital Outputs Relays Number of outputs 2 Resistive load 3 A at 230 V AC or 3 A at 30 V DC Inductive load 75 VA at 230 V AC or 30 W at 30 V DC Interface Mini USB For power up and configuration RS485 Up to 128 devices Communica...

Page 8: ...ge 8 of 41 External antenna SMA socket Ingress Protection IP IP40 Temperature Storage 40 C to 85 C Operating 10 C to 50 C Humidity Relative 5 to 95 Connectors Type Rising clamp Maximum cable size 2 5 mm2 Dimension Width 17 mm Length 56 mm Height 90 mm Table 2 Technical specification ...

Page 9: ...w ismacontrolli com DMP263en 1st Issue rev 3 05 2022 page 9 of 41 4 Hardware Specification 4 1 Dimensions Figure 2 iSMA B W0202 dimensions 4 2 Power Supply 4 2 1 DC Voltage Figure 3 DC voltage 4 2 2 AC Voltage Figure 4 AC voltage ...

Page 10: ...ion Figure 6 RS485 connection 4 4 1 Grounding and Shielding In most cases controllers are installed in enclosures along with other devices which generate electromagnetic radiation for example relays contactors transformers motor invertors etc Such electromagnetic radiation can induce electrical noise into both power and signal lines as well as direct radiation into the controller causing negative ...

Page 11: ...nt problems for data communication networks These problems include reflections and signal attenuation To eliminate the presence of reflections of signal from the end of the cable the cable must be terminated at both ends with a resistor across the line adequate to its characteristic impedance Both ends must be terminated since the propagation is bidirectional In case of an RS485 twisted pair cable...

Page 12: ...age 12 of 41 5 Inputs and Outputs The iSMA B W0202 module is equipped with 2 special inputs 2 digital outputs 5 1 Special Inputs 5 1 1 Voltage Measurement 0 10 V Figure 7 A special input voltage connection 5 1 2 Temperature Measurement Figure 8 A special input temperature connection ...

Page 13: ...Manual www ismacontrolli com DMP263en 1st Issue rev 3 05 2022 page 13 of 41 5 1 3 Dry Contact Figure 9 A special input dry contact connection 5 2 Digital Outputs 5 2 1 Solenoid Valve Figure 10 A solenoid valve connection ...

Page 14: ...iSMA B W0202 User Manual www ismacontrolli com DMP263en 1st Issue rev 3 05 2022 page 14 of 41 5 2 2 Resistive Load Figure 11 A resistive load connection ...

Page 15: ... tree window left part of the screen The next step is to read module configuration using the Read Module button or to read configuration from a file using the Load From File button To save changes in the module use the Write Module button This command writes all parameters to the module 6 1 Communication The screen below shows configuration options for RS485 bus Figure 12 Communication options 6 2...

Page 16: ... rev 3 05 2022 page 16 of 41 Figure 13 Special inputs configuration 6 3 Digital Outputs The screen below shows configuration options for digital outputs Figure 14 Digital outputs configuration 6 4 Radio Settings The screen below shows configuration options for radio ...

Page 17: ... Manual www ismacontrolli com DMP263en 1st Issue rev 3 05 2022 page 17 of 41 Figure 15 Radio settings 6 5 Radio Status The screen below shows radio status for all devices working in the same group Figure 16 Radio status ...

Page 18: ...egister with the number of valid Modbus messages received by the module from the last power up The value is reset after a power cycle or after changing transmission parameters baud rate stop bits parity etc 7 1 3 Counter of Error Messages 30006 The 32 bit register with the number of error Modbus messages received by the module from last power up The value is reset after a power cycle or after chan...

Page 19: ...ce actions 7 1 7 Modbus Protocol Type 40134 The register contains parameters which define the Modbus protocol type RTU or ASCII Value Protocol Type 0 default Modbus RTU 1 Modbus ASCII Table 5 The Modbus Protocol Type register 7 1 8 Modbus Address 40135 The register contains information about the Modbus address of the module The default address is 1 7 1 9 Baud Rate 40136 The register contains infor...

Page 20: ...re 17 Modbus frame 7 1 11 Data Bits 40138 The value of the register determines the number of data bits transmitted in a single byte according to the following table Value No of Data Bits 7 7 8 default 8 Table 8 Data bits 7 1 12 Parity Bit 40139 Each byte of data being transferred may be additionally protected with a parity bit added before stop bit bits The method of calculating parity bit is dete...

Page 21: ...default state which is determined by the value in the 40142 register This feature is useful if for some reason there is an interruption in data transmission and for security reasons the output must be set to an appropriate state in case of danger to the safety of persons or property Setting 0 s disables the watchdog The default value is 15 seconds Watchdog for Radio If the radio does not receive t...

Page 22: ...a different channel Each channel cannot have any influence on each other see the Radio Baud Rate section Value Channel Frequency 0 DISABLE 1 Channel 1 869 415 MHz 2 Channel 2 869 445 MHz 3 Channel 3 869 475 MHz 4 Channel 4 869 505 MHz 5 Channel 5 869 535 MHz 6 Channel 6 869 565 MHz 7 Channel 7 869 595 MHz 8 Channel 8 869 625 MHz Table 11 Radio Channel register 7 2 3 Radio Baud Rate 40244 The regis...

Page 23: ...ud Rate No of Channels Channels 1200 1 1 8 2400 1 1 8 4800 1 1 8 9600 1 1 8 19200 1 1 8 38400 2 2 7 57600 3 3 6 115200 4 4 200000 4 4 Table 13 Relation between a baud rate and number of channels 7 2 4 Radio AESKEY 40249 40256 The registers contain encryption keys for radio protocol Each package transmitted by the radio protocol is encrypted by the AES 128 algorithm It protects the network against ...

Page 24: ...59 The 32 bit register contains the number of error messages received by the module via radio from last power up The value is reset after a power cycle or after changing transmission parameters baud rate stop bits parity etc 7 2 7 Radio Transmitted Frames Counter 40261 The 32 bit register contains the number of transmitted messages by the module via radio from last power up The value is reset afte...

Page 25: ...tructure 7 3 Special Inputs Registers 7 3 1 Status of Special Inputs Working as Digital Inputs 30017 The register contains information about the status of special inputs dry contact The input s shortcut to the ground sets the corresponding bit of the register in accordance with the following table No of Input No of Register Bit 1 0 2 1 Table 17 Status of special inputs working as digital inputs 7 ...

Page 26: ...30103 HI 30104 S2 LO 30105 HI 30106 Table 20 Special inputs resistance measurement 7 3 5 Fast Counter 40023 40024 40025 40026 The module has two 32 bit counters for special inputs The counter s value is stored in non volatile memory EEPROM Special Input Register Number S1 LO 40023 HI 40024 S2 LO 40025 HI 40026 Table 21 Fast counter registers for special inputs To change the value of the register w...

Page 27: ...sensor 10K3A1 NTC B 3975K 2 The temperature sensor 10K4A1 NTC B 3695K 3 The temperature sensor 10K NTC B 3435K Carel 4 The temperature sensor 20K6A1 NTC B 4262K 5 The temperature sensor 2 2K3A1 NTC B 3975K 6 The temperature sensor 3K3A1 NTC B 3975K 7 The temperature sensor 30K6A1 NTC B 4262K 8 The temperature sensor SIE1 9 The temperature sensor TAC1 10 The temperature sensor SAT1 128 set 7 bit of...

Page 28: ...l Output 0 1 1 2 Table 25 Default state of digital outputs register 7 5 Special Application Modes In the iSMA B W0202 module simple applications are built in which can be used to control building devices The applications provide logic between a signal from the special inputs and control digital output s state Relation between inputs and outputs is shown in the table below and it cannot be changed ...

Page 29: ...the table below Value Operation Mode Register 0 Ordinary IO def 1 Monostable Relay 2 Bistable Relay 3 Time Relay NO ms 4 Time Relay NC ms 5 Time Relay NO s 6 Time Relay NC s 7 Input Forwarding 8 Heating 9 Cooling Table 28 Operation mode register Operating mode can be changed by writing right value in the Operation Mode register Special modes are initialized after 3 seconds from power up or restart...

Page 30: ...pecial input The time relay action can be executed remotely by changing the state from false to true in the relevant Command register 40020 Outputs can be also overwritten by the Digital Output register 40018 which allows remote control from BMS Time Relay NC ms In this mode if the output value is false the falling edge on the special input sets the output to true Every rising edge on the special ...

Page 31: ...mode any signal from the input is transferred directly to the assigned output without any modifications The input forwarding mode can be stopped by the Block Input function see Blocking register Heating Mode In this mode the output is controlled as a typical thermostat based on the Setpoint register and control value input value with differential parameter defined in the Differential register The ...

Page 32: ...d Differential register the output is in high state Output in low state Control value Setpoint Differential Output in high state Control value Setpoint Differential The cooling mode algorithm is shown in chart below Figure 19 Cooling mode algorithm 7 5 2 Command Register 40020 The module has a special Command register 40020 The Command register is used to remotely execute an action simulate light ...

Page 33: ...ooling input mode is set No of Bit in Register Block Input Number 0 1 1 2 2 3 3 4 Table 30 The Block Inputs register values 7 5 4 Setpoint Registers 40178 40182 The Setpoint registers contain values which are used in heating cooling modes as the setpoints for heating cooling control algorithm The default setpoint value is 21 The register stores the setpoint multiplied by 10 7 5 5 Differential Regi...

Page 34: ...s 30006 Default state is 0 Reset at the unit start and change of transmission parameters 30008 7 0x07 RS485 COUNTER OF SENT FRAMES 32 bits Read only Counter of sent messages 30008 Default state is 0 Reset at the unit start and change of transmission parameters 30017 15 0x0F STATUS OF SPECIAL INPUTS WORKING AS DIGITAL INPUT Read only Status of special inputs working as digital inputs are represente...

Page 35: ...ad Write Memory 32 bit counters for each special input counting pulses 40024 23 0x17 COUNTER 1 MSB 40025 24 0x18 COUNTER 2 LSB Read Write Memory 40026 25 0x19 COUNTER 2 MSB 30071 70 0x46 SPECIAL INPUT 1 VOLTAGE Read only Special input measure voltage 1 2 30071 30073 and Special Input measure temperature 1 2 30072 30074 Voltage measurement value is expressed in mV For current measurements the formu...

Page 36: ... RESISTIVE INPUT 1 LSB Read only Special input resistance measurement 1 2 30103 30104 30105 30106 Resistance measurement result is expressed in Ω 30104 103 0x67 RESISTIVE INPUT 1 MSB Read only 30105 104 0x68 RESISTIVE INPUT 2 LSB Read only 30106 105 0x69 RESISTIVE INPUT 2 MSB Read only 40134 133 0x85 MODBUS PROTOCOL TYPE Read Write Memory RS485 Modbus protocol type 0 RTU 1 ASCII 40136 135 0x87 RS4...

Page 37: ...e 40140 Delay in ms before sending response The default value is 0 40141 140 0x8C WATCHDOG TIME Read Write Memory Watchdog time 40141 Time in seconds before watchdog reset in case of no transmission Setting value of 0 disables the watchdog The default value is 15 s 40143 142 0x8E DEFAULT STATE OF DIGITAL OUTPUTS Read Write Memory Default state of digital outputs 40143 State of digital outputs assi...

Page 38: ...3A1 NTC 7 30K6A1 NTC 8 SIE1 9 TAC1 10 SAT1 12 8 Voltage measurement off and fast counters working on 100Hz 40152 151 0x97 SPECIAL INPUT 2 CONFIGURATION Read Write Memory 40159 158 0x9E FILTER TIME CONSTANT OF THE SPECIAL INPUT 1 Read Write Memory Filter time of the special input 1 2 40159 40160 Filter time constant expressed in seconds in the range from 0 to 60 seconds The default value is 2 s set...

Page 39: ...stabile Relay 3 Time Relay TIME VALUE ms 40177 176 0xB0 SPECIAL INPUT 1 TIME VALUE Read Write Memory 40180 179 0xB3 SPECIAL INPUT 2 CONFIGURATIO MODE Read Write Memory 40181 180 0xB4 SPECIAL INPUT 2 TIME VALUE Read Write Memory 40242 241 0xF1 RADIO TX POWER Read Write Memory Value Radio TX Power 0 18 dBm 1 0 dBm 2 7 dBm 3 10 dBm 4 14 dBm 5 17 dBm 6 20 dBm 40243 242 0xF2 RADIO CHANNEL Read Write Me...

Page 40: ...mory 40254 253 0xFD RADIO AESKEY D11 D10 Read Write Memory 40255 254 0xFE RADIO AESKEY D13 D12 Read Write Memory 40256 255 0xFF RADIO AESKEY D15 D14 Read Write Memory 40257 256 0x0100 RADIO COUNTER OF RECEIVED FRAMES 32 bits Read Write Memory Counter of received messages 30004 Default state is 0 Reset at the unit start and change of transmission parameters 40259 258 0x0102 RADIO COUNTER OF ERROT F...

Page 41: ... Issue rev 3 05 2022 page 41 of 41 Modbus Address Decimal Address Hex Address Register Name Access Description 40263 40390 262 389 0x0106 0x0185 WIRELESS DEVICE STATUS 1 128 Read only Bit 7 0 Int8 RX POWER dBm Bit 8 0 Down 1 Ok Table 31 List of Modbus registers ...

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