Power Supply - Siemens SITRANS TDL Compact Operating Instructions

In situ laser gas analyzers

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Connecting

6.2 Connecting SITRANS TDL

6.2.2

Power supply

Connection

Connect the power supply to HOST board P3 terminal. Use the customer cable provided with

the device or use a standard cable (shielded cable is preferred) with a maximum wire

diameter of 2.5 mm

and negative pole to the pin 26.

Protection

The device is protected by the eFuse with integrated reverse-input polarity protection. The

device can withstand positive and negative supply voltages up to ±60 VDC. In case of

overvoltage, undervoltage, overcurrent or reverse-input polarity the device is switched off

and the red diode on the HOST board (at the 24VDC section) is illuminated.

Power supply

The device does not have a power switch!

• Provide a protected circuit breaker in the vicinity of the device at the place of installation.

• The circuit breaker must be a switch or power switch, and must be labelled as the circuit

• At the supply point, the power supply must be isolated from dangerous live cables by

(14 AWG). Connect the positive pole of the power supply to the pin 25

WARNING

breaker for the device.

double or reinforced insulation in the case of devices with a 24 V supply voltage.

Compact Operating Instructions, 05\2023, A5E51659183-AA – revised 03/2024

SITRANS TDL

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