

The TM3DI16 is a digital input module manufactured by Saya, designed for integration with programmable logic controllers (PLCs). This module features 16 digital input channels, enabling it to monitor on/off signals from sensors, switches, and other digital devices. It is widely used in industrial automation systems to collect and process input signals for controlling machinery and processes.








The TM3DI16 module is designed to meet the demands of industrial environments, offering reliable performance and compatibility with PLC systems.
The TM3DI16 module features a terminal block for connecting input signals. The pin configuration is as follows:
| Pin Number | Label | Description |
|---|---|---|
| 1 | IN0 | Digital input channel 0 |
| 2 | IN1 | Digital input channel 1 |
| 3 | IN2 | Digital input channel 2 |
| 4 | IN3 | Digital input channel 3 |
| 5 | IN4 | Digital input channel 4 |
| 6 | IN5 | Digital input channel 5 |
| 7 | IN6 | Digital input channel 6 |
| 8 | IN7 | Digital input channel 7 |
| 9 | IN8 | Digital input channel 8 |
| 10 | IN9 | Digital input channel 9 |
| 11 | IN10 | Digital input channel 10 |
| 12 | IN11 | Digital input channel 11 |
| 13 | IN12 | Digital input channel 12 |
| 14 | IN13 | Digital input channel 13 |
| 15 | IN14 | Digital input channel 14 |
| 16 | IN15 | Digital input channel 15 |
| 17 | COM | Common ground for input signals |
| 18 | +24V | Positive 24 V DC supply connection |
The TM3DI16 module is straightforward to use in industrial automation systems. Follow the steps below to integrate it into your PLC setup:
Use the following example code to read the input states in a PLC program. This example assumes the use of a generic ladder logic programming environment:
// Example Ladder Logic for TM3DI16
// This program reads the state of input channels and turns on an output
// if any of the inputs are active.
|---[ IN0 ]---+---( OUT0 )---|
|---[ IN1 ]---| |
|---[ IN2 ]---| |
|---[ IN3 ]---| |
No Input Signal Detected
PLC Does Not Recognize the Module
Intermittent Input Signal
Overheating of the Module
Q1: Can the TM3DI16 module be used with other PLC brands?
A1: The TM3DI16 is designed for compatibility with Saya PLC systems. Compatibility with other brands may require additional configuration or adapters.
Q2: What is the maximum cable length for input connections?
A2: The maximum cable length depends on the electrical noise in the environment. For most applications, a length of up to 30 meters is recommended with shielded cables.
Q3: Can the module handle analog signals?
A3: No, the TM3DI16 is designed specifically for digital input signals (on/off states).
Q4: Is the module hot-swappable?
A4: No, the TM3DI16 module should only be installed or removed when the system is powered off to avoid damage.
By following this documentation, users can effectively integrate and operate the TM3DI16 digital input module in their industrial automation systems.