Modbus TCP with 16 Digital Inputs.

DAT8148

Digital Input To Modbus TCP
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Modbus TCP Ethernet with 16 Digital Inputs DAT8148.
• Modbus TCP Ethernet.
• 16 Channel.
• 4 Counters.
• Digital Input.
• Isolation.
General Description

The DAT8148 is a 16-channel digital input to Modbus TCP converter, designed for reliable and efficient industrial data acquisition over Ethernet using 10/100Base-T communication. It allows seamless integration of multiple digital sensors and switches into a Modbus TCP network, making it ideal for automation, monitoring, and control applications.

Each digital input recognizes an ON state at voltages above 10 V and an OFF state below 3 V, ensuring accurate detection of input signals. The device is engineered for robust performance in industrial environments, with inputs and power supply fully isolated from each other up to 1500 VAC for 1 minute. This high level of isolation protects both the converter and connected equipment from voltage spikes, electrical noise, and ground loops.

The DAT8148 accepts a wide range of power supply voltages from 10 to 30 Vdc, providing flexibility in installation across different control systems. Its compact DIN Rail design allows easy mounting in control panels, ensuring neat and organized wiring. The combination of multiple inputs, isolation, and Modbus TCP communication makes the DAT8148 an ideal solution for industrial automation, remote monitoring, and reliable data acquisition.

INPUT OUTPUT POWER SUPPLY
16 Digital Inputs0-10 Vdc Modbus TCP Ethernet 10/100T Power Supply Voltage 14-30Vdc
Reverse polarity protection 60Vdc
CURRENT CONSUMPTION CONFIGURATION ISOLATION
Between 60 and 115 mA PC Programmable Between Input/Comms/Power Supply 1500Vac.
EMC HOUSING TEMPERATURE
For Industrial environments Material self-extinguishing Operating Temperature 14°F +140°F -10°C +60°C
Immunity EN 61000-6-2 Dimensions W x H x T 4" x 4 3/4" x 3/4" Storage Temperature -40°F +185°F-40°C +85°C
Emission EN 6100-6-4 100 x 120x x 22.5 mm Humidity (non condensing) 0-90%
Weight 7 oz 200 g

Specifications
Input:  
Digital 16 Channels.
On State: 10 -30 Vdc.
Off State: 0-3 Vdc.
Communication:  
Ethernet 10/100T: Modbus TCP.
Power Supply: 10 - 30 Vdc. Reverse polarity protection 60 Vdc.
Current Consumption: 60 mA Standby 230 mA Max.
Temperature rating: Operative Temperature 14°F +140°F -10°C +60°C Storage Temperature - 40°F +185°F - 40°C +85°C.
Humidity: (not condensing) 0-90%.
Housing: Material self-extinguishing.
Dimensions: W x H x T 4 3/4 x 4 x 7/8 inch, 120 x 100 x 22,5mm.
Weight: 6 oz 160 g.
EMC. For industrial environments.
Immunity: EN 61000-6-2.
Emission: EN 61000-6-4.
Isolation: Input, Each Channel, Power Supply, 1500Vac, 50Hz, 1 Minute.
Configuration: PC Configurable.
Drawings

DAT8148 Power Supply and INIT Wiring Diagram

Power Supply (18-30Vdc). Positive O Negative P.
Init Pin Q Init Gnd P
DAT8000 power supply and Init

DAT8148 Digital Inputs Wiring Diagram

Digital Inputs  
Digital Input 0 Common E Input DI0 F
Digital Input 1 Common E Input DI1 G
Digital Input 2 Common E Input DI2 H
Digital Input 3 Common E Input DI3 I
Digital Input 4 Common E Input DI4 J
Digital Input 5 Common E Input DI5 L
Digital Input 6 Common E Input DI6 M
Digital Input 7 Common E Input DI7 N
Digital Input 8 Common 1 Input DI8 2
Digital Input 9 Common 1 Input DI9 3
Digital Input 10 Common 1 Input DI10 4
Digital Input 11 Common 1 Input DI11 5
Digital Input 12 Common 1 Input DI12 6
Digital Input 13 Common 1 Input DI13 7
Digital Input 14 Common 1 Input DI14 8
Digital Input 15 Common 1 Input DI15 9
Modbus TCP Ethernet with 16 Digital Inputs DAT8148
Applications

Frequently Asked Questions

How many digital inputs does the DAT8148 have?
The DAT8148 has 16 digital inputs that can monitor industrial sensors, switches, and other devices. Each input is isolated to prevent interference and protect connected equipment.
What voltage levels are recognized as ON or OFF?
An ON state is recognized at voltages above 10 V, while an OFF state is below 3 V. This ensures precise detection of input signals.
Is the DAT8148 isolated?
Yes, the inputs and the power supply are isolated from each other up to 1500 VAC for 1 minute. This isolation provides protection from voltage spikes, electrical noise, and ground loops.
What is the power supply range for the DAT8148?
The device accepts a wide tolerance power supply from 10 to 30 Vdc, allowing flexible integration into various control systems.
Can the DAT8148 be mounted on DIN Rail?
Yes, it is designed for compact DIN Rail mounting in industrial control panels, providing organized and secure installation.
Which communication protocol does the DAT8148 support?
The DAT8148 communicates using Modbus TCP over Ethernet 10/100Base-T, making it compatible with a wide range of automation and monitoring systems.
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