The Schneider Electric TM3DI8G is an 8-channel, high-speed, 24 V DC digital input module for the Modicon TM3 modular I/O system. It is specifically engineered for applications requiring rapid response times and precise signal acquisition, such as high-speed counting, encoder input, or fast event detection.
Parameters
Parameter Specification
Product Range Modicon TM3 Modular I/O System
Module Type High-Speed Digital Input Module
Commercial Reference TM3DI8G
Number of Channels 8
Input Type Sink/Source (PNP/NPN) compatible
Nominal Input Voltage 24 V DC (SELV / PELV)
Input Voltage Range 19.2 V DC to 30 V DC
"1" Signal Level ≥ 15 V DC (at 3 mA typical)
"0" Signal Level ≤ 5 V DC
Maximum Input Frequency 100 kHz per channel
Minimum Pulse Width 5 µs
Input Configuration Individually isolated channels (250 V AC between channels).
Filtering Time Configurable per channel: 0.1 ms, 0.2 ms, 0.5 ms, 1 ms, 2 ms, 5 ms, 10 ms.
Isolation 500 V AC between field side and bus side.
Connection Removable screw terminal block (2 terminals per channel).
Diagnostic LEDs Green LED per channel (indicates "ON" state).
Module STATUS LED (Green/Red for power, communication, and error).
Bus Interface TM3 bus via connection to a TM3 base (e.g., TM5SBER2).
Power Consumption From 5V bus: 85 mA (typical). From 24V field supply: depends on connected sensors.
Operating Temperature 0°C to +60°C
Storage Temperature -25°C to +70°C
Relative Humidity 10% to 95% (non-condensing)
Protection Class IP20 (when mounted on a base in an enclosure).
Certifications CE, UL, cUL, RoHS compliant.