TM3DI8G - Modicon TM3 Discrete Input Module, 8 Inputs, 24 V DC, Spring Terminal
Product type: Discrete Input Module | Range: Modicon TM3 | Country of origin: Taiwan
The TM3DI8G is a discrete input module from the Modicon TM3 range of expansion I/O for Modicon M221, M241, M251 and M262 logic controllers. It provides 8 inputs on a single module that mounts on TH35-15 or TH35-7.5 rail to IEC 60715, or on a plate or panel with a fixing kit, and connects to the adjacent modules through a simple interlocking assembly mechanism. It differs from the TM3DI8 only in the terminal technology, using removable spring terminal blocks instead of screw terminals.
Each input accepts 24 V DC and conforms to IEC 61131-2 Type 1. Voltage state 1 is guaranteed from 15 to 28.8 V DC and state 0 from 0 to 5 V DC, with current state 1 guaranteed at 2.5 mA or above and state 0 at 1 mA or below. Input logic is sink or source (positive/negative), selected by wiring. Rated input current is 7 mA at an input impedance of 3.4 kOhm, and the response time is 4 ms maximum on turn-on and 4 ms maximum on turn-off. Isolation between the inputs and the internal logic is rated 500 V AC; the inputs are not insulated from each other.
Field connection is made on an 11 x 2.5 mm² removable spring terminal block with 5.08 mm pitch, accepting 0.2 to 2.5 mm² (24 to 14 AWG) solid cable. Conductors are held by spring force, and the block itself is removable for pre-wiring or replacement. The three COM terminals of the block are connected internally and serve the 8 input channels. Unshielded cable may run up to 30 m. A green LED on each channel indicates input status. The module is powered from the controller bus and draws 24 mA at 5 V DC with all inputs on and 5 mA at 5 V DC with all inputs off, with no 24 V DC bus consumption. Sensor supply is 19.2 to 28.8 V.
The housing is IP20 rated with the protective cover in place, measures 90 mm in height, 27.4 mm in width and 84.6 mm in depth, and weighs 0.085 kg net. Operating ambient temperature is −10 to 55 °C for horizontal installation and −10 to 35 °C for vertical installation, storage from −25 to 70 °C, relative humidity 10 to 95 % without condensation, operating altitude up to 2000 m, pollution degree 2.
The module meets EN/IEC 61131-2 and EN/IEC 61010-2-201, carries CE marking and is certified cULus, UKCA, RCM and EAC. MTBF is rated at 410 years at 40 °C. Country of origin: Taiwan.
Specifications
| Characteristic | Value |
|---|---|
| Range of product | Modicon TM3 |
| Product or component type | Discrete input module |
| Range compatibility | Modicon M221, M241, M251, M262 |
| Device application | Industrial application |
| Discrete input number | 8 |
| Discrete input voltage | 24 V DC |
| Discrete input logic | Sink or source (positive/negative) |
| Discrete input compatibility | 8 conforming to IEC 61131-2 Type 1 |
| Discrete input current | 7 mA |
| Input impedance | 3.4 kOhm |
| Voltage state 1 guaranteed | 15 to 28.8 V DC |
| Voltage state 0 guaranteed | 0 to 5 V DC |
| Current state 1 guaranteed | ≥ 2.5 mA |
| Current state 0 guaranteed | ≤ 1 mA |
| Response time on input | 4 ms maximum (turn on), 4 ms maximum (turn off) |
| Isolation between channels and bus | 500 V AC |
| Insulation between inputs | Non-insulated |
| Electrical connection | 11 x 2.5 mm² removable spring terminal block, 5.08 mm pitch |
| Cable capacity | 0.2 to 2.5 mm² (24 to 14 AWG) solid cable |
| Maximum cable distance | 30 m with unshielded cable |
| Sensor power supply | 19.2 to 28.8 V |
| Power supply type | Electronic, powered by internal bus |
| Typical current consumption | 24 mA at 5 V DC (all inputs on), 5 mA at 5 V DC (all inputs off), 0 mA at 24 V DC |
| Local signalling | 1 LED per channel (green) for input status |
| IP degree of protection | IP20 with protective cover in place |
| Height | 90 mm |
| Width | 27.4 mm |
| Depth | 84.6 mm |
| Net weight | 0.085 kg |
| Mounting support | TH35-15 rail, TH35-7.5 rail to IEC 60715, plate or panel with fixing kit |
| Ambient air temperature for operation | −10 to 55 °C (horizontal), −10 to 35 °C (vertical) |
| Ambient air temperature for storage | −25 to 70 °C |
| Relative humidity | 10 to 95 % without condensation |
| Operating altitude | 0 to 2000 m |
| Pollution degree | 2 |
| Standards | EN/IEC 61131-2, EN/IEC 61010-2-201 |
| Product certifications | CE, cULus, UKCA, RCM, EAC |
| MTBF | 410 years at 40 °C |
| Country of origin | Taiwan |
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