> For the complete documentation index, see [llms.txt](https://wimaniot.gitbook.io/wiman-communication-technologies/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wimaniot.gitbook.io/wiman-communication-technologies/iot-models/io-cards/wt36i.md). # WT36i **MODEL: IO - Data Registers (MODULE TYPE = 36i)**
**IO SPECIFICATION:** | **S.No** | **I/O SPECIFICATION** | **No's** | | -------- | ----------------------- | -------- | | 1 | DIGITAL INPUT | 2 | | 2 | DIGITAL OUTPUT | 1 | | 3 | ANALOG INPUT ( 0 -10V ) | 6 | | 4 | CURRENT INPUT ( 4-20ma) | 6 | | 5 | PULSE INPUT | 2 | **MODEL SPECIFICATIONS:**
Category Parameters Specifications
Power Power Supply DC 12 to 24 V
Power ConsumptionNot specified
LEDRX LEDIndicates data receive (RS232/RS485 RX blink)
TX LEDIndicates data transmit (RS232/RS485 TX blink)
CON LEDIndicates Modbus / GSM connection status
PWR LEDIndicates power ON
**Local I/O Specification:**
Category0

Parameters

Specifications

Analog InputsNumber of Channels6 Channel
Input TypeCurrent Input
Input Range4 to 20 mA
Digital InputsNumber of Channels2 Channels
Input Range0 to 24 V
Relay OutputNumber of Channels1 Channel
Contact TypeNO / COM
Optional FeaturePulse CounterOptional (2 channels)
ResolutionADC ResolutionConfigurable (0.1 / 0.01 / 0.001 via Modbus)
AccuracyAccuracyNot specified
LinearityLinearityNot specified
Input OffsetOffset ErrorNot specified
IsolationIsolation MethodNot specified
Isolation VoltageNot specified
I/O TerminalsTerminal TypeScrew Terminals
CommunicationInterface / ProtocolRS485, Modbus RTU
ConfigurationModbus Address & ScalingConfigurable via Holding Registers
**Environment & Approvals**
CategoryParametersSpecifications
Operating TemperatureRange0 to 60 °C
Storage TemperatureRange−30 to 85 °C
HumidityOperating Humidity10 to 95% (Non-condensing)
MountingMounting TypeDIN Rail Mounting
Dimensions (mm)H × W × D100 × 26 × 70
ApprovalsCertificationsCE, UKCA, UL, REACH & RoHS
**1. Digital Output (Relay) – Coil Table**
ItemDetails
Modbus Function (Read)0x01 – Read Coils
Modbus Function (Write)0x05 (Single Coil), 0x0F (Multiple Coils)
Coil Address1
Data Type1 bit (coil)
Value = 0Relay OFF
Value = 1Relay ON
NotesThis is a coil, not a holding register. Writing with 0x06 will not work.
**2. Digital Inputs – Discrete Input Table**
ChannelModbus FunctionAddressData TypeMeaning
DI-10x02 – Read Discrete Inputs100011 bit0 = LOW, 1 = HIGH
DI-20x02 – Read Discrete Inputs100021 bit0 = LOW, 1 = HIGH
**3. Input Registers (0x04) – System Information** |

Register Address

|

Parameter

|

Access

|

Description

| | -------------------------------------------------------- | ------------------------------------------------- | ---------------------------------------------- | ---------------------------------------------------------- | | 30001 | Software Version / Module Type | R | High byte = firmware version, Low byte = module type (101) | | 30002 | Digital Inputs (Packed) | R | 16-bit value containing DI status | **4. Analog Inputs (4–20 mA) – Holding Register Table** | **Channel** | **Modbus Function** | **Register Address** | **Data Type** | **Range** | | ----------- | ----------------------------- | -------------------- | -------------- | ------------- | | CH1 | 0x03 – Read Holding Registers | 40009 | Float (32-bit) | 4.0 – 20.0 mA | | CH2 | 0x03 – Read Holding Registers | 40011 | Float (32-bit) | 4.0 – 20.0 mA | | CH3 | 0x03 – Read Holding Registers | 40013 | Float (32-bit) | 4.0 – 20.0 mA | | CH4 | 0x03 – Read Holding Registers | 40015 | Float (32-bit) | 4.0 – 20.0 mA | | CH5 | 0x03 – Read Holding Registers | 40017 | Float (32-bit) | 4.0 – 20.0 mA | | CH6 | 0x03 – Read Holding Registers | 40019 | Float (32-bit) | 4.0 – 20.0 mA | **5. Communication & Device Configuration – Holding Registers** | **Register Address** | **Parameter** | **Access** | **Description** | | -------------------- | --------------------- | ---------- | ----------------------------------------------------------- | | 40101 | Modbus Slave ID | R/W | Valid range: 1–247 | | 40102 | Baud Rate | R/W | 0=2400, 1=4800, 2=9600, 3=19200, 4=38400, 5=57600, 6=115200 | | 40103 | Data Bits | R/W | 0 = 8 bits | | 40104 | Parity | R/W | 0 = None, 1 = Even, 2 = Odd | | 40105 | Stop Bits | R/W | 1 = 1 stop bit, 2 = 2 stop bits | | 40106 | Inter-character Delay | R/W | Unit = 10 ms | **Read Holding Register - 0x03**

S.No

Address (Dec)

Register Name

Type

Min

Max

Access

1

40001

IO Change Status

unsigned int

0

1

2

40002

Input-1

unsigned int

0

1

R

3

40003

Input-2

unsigned int

0

1

R

4

40004

Output-1

unsigned int

0

1

R

5

40005

PulseCount-1

unsigned long

0

999999

R/W

6

40007

PulseCount-2

unsigned long

0

999999

R/W

7

40009

4-20ma ch-1

float

4

20

R

8

40011

4-20ma ch-2

float

4

20

R

9

40013

4-20ma ch-3

float

4

20

R

10

40015

4-20ma ch-4

float

4

20

R

11

40017

4-20ma ch-5

float

4

20

R

12

40019

4-20ma ch-6

float

4

20

R
**Read Holding Register - 0x03 - Write Register - 0x06-Write Multiple Register - 0x10**

S.No

Address (Dec)

Register Name

Type

Min

Max

Access

Description

1

40101

Device ID

unsigned int

1

247

R/W

1 -247 modbus slave address

2

40102

Baud rate

unsigned int

0

7

R/W

0=2400, 1=4800, 2=9600, 3=19200, 4=38400, 5=57600, 6=115200

3

40103

Bits

unsigned int

0

0

R/W

0=8bit

4

40104

Parity

unsigned int

0

2

R/W

0 = none, 1 = even, 2 = odd

5

40105

Stop

unsigned int

0

2

R/W

1 = 1 stop bit, 2 = 2 stop bits

6

40106

Interchar

unsigned int

2

10

R/W

unit ( x10ms )

**Read Holding Register - 0x03 - Write Register - 0x06-Write Multiple Register - 0x10**

S.No

Address (Dec)

Register Name

Type

Min

Max

Access

Description

1

40201

Reserved

-

-

-

-

-

2

40202

Reserved

-

-

-

-

-

3

40203

Input Mode

unsigned int

0

1

R/W

0-Dig Input, 1-Pulse Input

4

40204

DI1 Pulse Max Value

unsigned long

1

999999

R/W

Pulse Maximum Reset Count

5

40206

DI2 Pulse Max Value

unsigned long

1

999999

R/W

Pulse Maximum Reset Count

6

40208

CH1 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

7

40209

CH1 Offset

unsigned int

0

0

R/W

Reserved

8

40210

CH1 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

9

40211

CH1 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

10

40212

CH2 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

11

40213

CH2 Offset

unsigned int

0

0

R/W

Reserved

12

40214

CH2 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

13

40215

CH2 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

14

40216

CH3 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

15

40217

CH3 Offset

unsigned int

0

0

R/W

Reserved

16

40218

CH3 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

17

40219

CH3 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

18

40220

CH4 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

19

40221

CH4 Offset

unsigned int

0

0

R/W

Reserved

20

40222

CH4 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

21

40223

CH4 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

22

40224

CH5 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

23

40225

CH5 Offset

unsigned int

0

0

R/W

Reserved

24

40226

CH5 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

25

40227

CH5 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

26

40228

CH6 Mode

unsigned int

0

1

R/W

0-(4-20ma), 1-(0-20ma)

27

40229

CH6 Offset

unsigned int

0

0

R/W

Reserved

28

40230

CH6 Max Scale Value

unsigned int

0

65535

R/W

Scaled to this maximum value

29

40231

CH6 Resolution

unsigned int

0

3

R/W

0-None,1-0.1, 2-0.01, 3-0.001

**DOCUMENTS:** {% file src="/files/ze2MhfHj6RStjQTMUY3C" %}