> 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/wt30i.md). # WT30i #### MODEL: IO - Data Registers (MODULE TYPE = 30i)

**IO SPECIFICATION:** | S.no | I/O SPECIFICATION | No's | | ---- | ----------------------- | ---- | | 1 | DIGITAL INPUT | 2 | | 2 | ANALOG INPUT ( 0 -10V ) | 4 | | 3 | CURRENT INPUT ( 4-20ma) | 2 | | 4 | Pulse Counter | 2 | **MODEL SPECIFICATIONS:**


Category	Parameters	Specifications
Power	Power Supply	DC 12 to 24 V
	Power Consumption	Not specified
LED	RX LED	Indicates data receive (RS232/RS485 RX blink)
	TX LED	Indicates data transmit (RS232/RS485 TX blink)
	CON LED	Indicates Modbus / connection status
	PWR LED	Indicates power ON

**Local I/O Specification**


Category	Parameters	Specifications
Analog Inputs (Current)	Number of Channels	2 Channels
	Input Type	Current Input
	Input Range	4 to 20 mA
Analog Inputs (Voltage)	Number of Channels	4 Channels
	Input Type	Voltage Input
	Input Range	0 to 10 V (supports up to 24 V internally)
Digital Inputs	Number of Channels	2 Channels
	Input Range	0 to 24 V
Relay Output	Number of Channels	Not available
	Contact Type	—
Optional Feature	Pulse Counter	Optional (2 channels, configurable via Modbus)
Resolution	ADC Resolution	Configurable (0.1 / 0.01 / 0.001 via Modbus)
Accuracy	Accuracy	Not specified
Linearity	Linearity	Not specified
Input Offset	Offset Error	Not specified
Isolation	Isolation Method	Not specified
	Isolation Voltage	Not specified
I/O Terminals	Terminal Type	Screw Terminals
Communication	Interface / Protocol	RS485, Modbus RTU
Configuration	Modbus Address & Scaling	Configurable via Holding Registers

**Environment & Approvals**


Category	Parameters	Specifications
Analog Inputs (Current)	Number of Channels	2 Channels
	Input Type	Current Input
	Input Range	4 to 20 mA
Analog Inputs (Voltage)	Number of Channels	4 Channels
	Input Type	Voltage Input
	Input Range	0 to 10 V (supports up to 24 V internally)

**Digital Inputs – Discrete Inputs (0x02)**


DI No	Modbus Function	Address	Type	Access	Description
DI-1	0x02	10001	Bit	R	Digital Input 1 status
DI-2	0x02	10002	Bit	R	Digital Input 2 status
DI-3	0x02	10003	Bit	R	Digital Input 3 status
DI-4	0x02	10004	Bit	R	Digital Input 4 status
DI-5	0x02	10005	Bit	R	Digital Input 5 status
DI-6	0x02	10006	Bit	R	Digital Input 6 status

**Input Registers – Device Information (0x04)**


Register Address	Name	Type	Access	Description
30001	S/W Version / Module Type	Unsigned int	R	High byte = firmware version, Low byte = 101
30002	Digital Inputs (Packed)	Unsigned int	R	Digital input states packed into 16 bits

**IO Status & Digital Inputs - Read Holding Register - 0x03**


Address	Register Name	Type	Access	Description
40001	IO Change Status	Unsigned int	R	Input/Output bit change flag
40002	Input-1	Unsigned int	R	DI-1 status
40003	Input-2	Unsigned int	R	DI-2 status
40004	Input-3	Unsigned int	R	DI-3 status
40005	Input-4	Unsigned int	R	DI-4 status
40006	Input-5	Unsigned int	R	DI-5 status
40007	Input-6	Unsigned int	R	DI-6 status

**Pulse Counters - Read Holding Register - 0x03**


Address	Register Name	Type	Access	Range
40008	Pulse Count-1	Unsigned long (32-bit)	R/W	0 – 999999
40010	Pulse Count-2	Unsigned long (32-bit)	R/W	0 – 999999

Analog Inputs (Current: 4–20 mA) - Read Holding Register - 0x03


Channel	Register Address	Type	Range	Access
4–20 mA CH-1	40020	Float	4 – 19.99 mA	R
4–20 mA CH-2	40022	Float	4 – 19.99 mA	R

**Input Mode & Filtering Configuration - Read Holding Register - 0x03** **Write Multiple Register - 0x10**


Address	Register Name	Type	Access	Description
40203	Input Mode	Unsigned int	R/W	0 = Digital Input, 1 = Pulse Input
40204	Filter Value	Unsigned int	R/W	0 = No filter

**DOCUMENTS:** {% file src="/files/mDavduEdkeF9SYvcc409" %}