TM5SDM8DTS Characteristics

Introduction

This is the description characteristics for the TM5SDM8DTS electronic module. See also Environmental Characteristics.

DANGER
	FIRE HAZARD Use only the correct wire sizes for the maximum current capacity of the I/O channels and power supplies. For relay output (2 A) wiring, use conductors of at least 0.5 mm² (AWG 20) with a temperature rating of at least 80 °C (176 °F). For common conductors of relay output wiring (7 A), or relay output wiring greater than 2 A, use conductors of at least 1.0 mm² (AWG 16) with a temperature rating of at least 80 °C (176 °F). Failure to follow these instructions will result in death or serious injury.

DANGER

FIRE HAZARD

Use only the correct wire sizes for the maximum current capacity of the I/O channels and power supplies.
For relay output (2 A) wiring, use conductors of at least 0.5 mm² (AWG 20) with a temperature rating of at least 80 °C (176 °F).
For common conductors of relay output wiring (7 A), or relay output wiring greater than 2 A, use conductors of at least 1.0 mm² (AWG 16) with a temperature rating of at least 80 °C (176 °F).

Failure to follow these instructions will result in death or serious injury.

WARNING
	UNINTENDED EQUIPMENT OPERATION Do not exceed any of the rated values specified in the environmental and electrical characteristics tables. Failure to follow these instructions can result in death, serious injury, or equipment damage.

General Characteristics

The table below describes the general characteristics of the TM5SDM8DTS electronic module:

General characteristics
Rated power supply voltage Power supply source		24 Vdc Connected to the 24 Vdc I/O power segment
Power supply range		20.4...28.8 Vdc
24 Vdc I/O segment current draw		62.5 mA
TM5 bus 5 Vdc current draw		2 mA
Power dissipation		1.51 W maximum
Weight		22 g (0.8 oz)
ID code for firmware update		43323 dec

Input Characteristics

The table describes the input characteristics of the TM5SDM8DTS electronic module:

Input characteristics
Number of input channels		4 inputs
Wiring type		1 wire
Rated input voltage		24 Vdc
Input voltage range		20.4...28.8 Vdc
Rated input current at 24 Vdc		1.3 mA
Input impedance		18.4 kΩ
OFF state		< 5 Vdc
ON state		> 15 Vdc
Input circuit		Sink
Input frequency		40 kHz
Additional functions		4x time stamping units with time stamp function 4x input oversampling
Input filter	Hardware	≥ 2 μs
Input filter	Software	–
Isolation	Between channels and bus	See note ¹
Isolation	Between channels	Not isolated

¹ The isolation of the electronic module is 500 Vac RMS between the electronics powered by the TM5 bus and those powered by 24 Vdc I/O power segment connected to the module. In practice, the TM5 electronic module is installed in the bus base, and there is a bridge between the TM5 power bus and the 24 Vdc I/O power segment. The two power circuits reference the same functional ground (FE) through specific components designed to reduce effects of electromagnetic interference. These components are rated at 30 Vdc or 60 Vdc. This effectively reduces isolation of the entire system from the 500 Vac RMS.

Output Characteristics

The table describes the output characteristics of the TM5SDM8DTS electronic module:

Output characteristics
Output channels		4 outputs
Wiring type		1 wire
Output current		0.1 A maximum per output
Total output current		0.4 A
Output voltage		24 Vdc
Output voltage range		20.4...28.8 Vdc
Output circuit		Sink and/or source
Output protection		Thermal cutoff for overcurrent and short-circuit Integrated protection for switching inductances
Additional functions		4x edge generation with μs precision 4x output oversampling
Voltage drop		< 0.9 V at 0.1 A rated current
Leakage current when switched off		maximum 25 µA
Turn on time		< 2 µs
Turn off time		< 2 µs
Automatic rearming after short-circuit or overload		Yes, 10 ms minimum depending on internal temperature

Time Stamping

The table describes the time stamping units characteristics of the TM5SDM8DTS electronic module:

Characteristics
Number of time stamping units		4
Input frequency (maximum)		40 kHz
Resolution		1 µs time stamp function
Signal form		Square wave pulse
Sensor supply		Module-internal, maximum 600 mA

Oversampling

The table describes the oversampling characteristics of the TM5SDM8DTS electronic module:

Characteristics
Number of oversampling units		4
Sample time		125 µs, 250 µs, 500 µs depending on Sercos cycle time

Switching Inductive Loads

The curves below provide the switching inductive load characteristics for the TM5SDM8DTS electronic module.

1 Load resistance in Ω

2 Load inductance

3 Maximum operating cycles / second (with 90% duty cycle)