Schneider TM5SDI16D Modicon TM5 Digital Input

TM5SDI16D 16-Channel Discrete Input Module

Product Introduction

The TM5SDI16D is a compact discrete input module from the Modicon TM5 platform. Schneider Electric built this module with sixteen 24 Vdc sink inputs. Each point uses a simple 1-wire connection, which speeds up field wiring. As a result, one slim module covers a full machine section. The input filter is configurable up to 25 ms in software and up to 100 ms in hardware. Furthermore, the module survives 4 kV contact discharge and 15 gn shock. This part carries an IP20 rating and fits clean control cabinets. Besides, it remains an active product in the Modicon TM5 line. Therefore, the TM5SDI16D suits both new builds and system expansions today.

Technical Specifications

The following list outlines the main technical data for this discrete input module.

Model: TM5SDI16D
Brand: Schneider Electric
Series: Modicon TM5
Module type: Discrete input module
Inputs: 16
Input voltage: 24 Vdc, limits 20.4 to 28.8 V
Input logic: Sink
Input current: 2.68 mA
Input impedance: 8.9 kOhm
Voltage state 0: 5 V or less guaranteed
Voltage state 1: 15 V or more guaranteed
Input filtering: 25 ms software, 100 ms hardware
Isolation: 500 Vrms AC between channel and bus
Supply: 24 Vdc via TM5 bus
Power dissipation: 1.65 W maximum
Protection rating: IP20
Net weight: 0.025 kg

Electrical and Signalling Features

Power comes from the TM5 bus through a power distribution module. Specifically, the module draws 36 mA at 5 Vdc. It also draws 61 mA at 24 Vdc when all sixteen inputs are on. Maximum power dissipation reaches 1.65 W, so heat buildup stays modest. Meanwhile, the front panel carries one green and red power LED plus sixteen green input LEDs. However, there is no insulation between the input channels. Therefore, installers should avoid large ground potential differences across channels. In addition, route input cables away from motor drives and other noise sources.

Mechanical and Environmental Parameters

The module measures 99 mm high, 12.5 mm wide and 75 mm deep. Its slim white housing saves DIN rail space in crowded cabinets. Meanwhile, the unit weighs only 0.025 kg, which keeps shipping costs low. Operating temperature ranges from -10 to +55 °C without derating in horizontal installation. With derating, it reaches +60 °C horizontally and +50 °C vertically. Storage temperature spans -40 to +70 °C. The IP20 rating means the housing blocks solid objects larger than 12.5 mm. However, it does not resist water or dust ingress. For this reason, users should mount it inside a protected enclosure.

Standards and Compliance

The TM5SDI16D meets several international standards for industrial control equipment. These include IEC 61131-2, UL 508, CSA C22.2 No 142, and CSA C22.2 No 213. Product certifications cover CSA, cULus, GOST-R and C-Tick. Furthermore, the module resists electrostatic discharge at 4 kV contact and 8 kV air. It also withstands fast transients at 1 kV on I/O lines and 2 kV on power lines. EMC performance follows EN/IEC 61000-4-6 for conducted RF and CISPR 11 for emissions.

Installation Guide

Installing the TM5SDI16D follows a straightforward procedure. First, snap the module onto the TM5 bus base. Next, connect the 1-wire field inputs to the terminals. After that, set the input filter in the engineering software. Then, choose the filter value that matches your machine cycle. Moreover, keep input wiring separated from high-power cables to reduce noise. Finally, verify the power and input status LEDs before running the machine. If you replace an old module, label the wires first. This step prevents wiring errors during reassembly.

Packaging List

1 x Schneider TM5SDI16D discrete input module
1 x Anti-static protective bag
1 x Carton with foam paddin

FAQ

Q1: What signals does the TM5SDI16D accept?
A: The TM5SDI16D accepts 24 Vdc sink inputs. It offers 16 channels on 1-wire connections.

Q2: How many inputs does this module have?
A: It has 16 discrete input channels with configurable filtering.

Q3: Which controllers work with this module?
A: It works with Modicon M258 and LMC058 controllers, plus PacDrive LMC motion controllers.

Q4: What is the input filter range?
A: Filtering is configurable up to 25 ms in software and up to 100 ms in hardware.

Q5: What is the supply voltage?
A: The module runs on 24 Vdc through the TM5 bus and draws 1.65 W maximum.