Siemens SITRANS P DS III Service Manual

Connecting
4.2 Connecting the device
SITRANS P DS III
26 Service Manual, 06/2014, A5E34219855-01
Note
Improvement of interference immunity
• Lay signal cables separate from cables with voltages > 60 V.
• Use cables with twisted wires.
• Keep the device and the cables at a distance from strong electromagnetic fields.
• Use shielded cables to guarantee the full specification according to HART.
• Refer to the information on HART communication in the "Technical specifications"
chapter in the operating instructions.
4.2
Connecting the device
Opening the device
1. Unscrew the cover of the electrical cable compartment. An identification text "FIELD
TERMINALS" is provided at the side of the housing.
Connecting the device
1. Lead the connecting cable through the cable gland ③.
2. Connect the device to the plant with the protective conductor connection
⑦.
3. Connect the wires to the connecting terminals
④ "+" and "-".
Ensure the correct polarity! If necessary, ground the device using the "-" connection by
connecting the "-" connection to the ground terminal
⑨.
4. If necessary, connect the shield to the screw of the ground terminal
⑨. This is electrically
connected with the external protective conductor connection.

Siemens SITRANS P DS III Specifications

General

Type	Pressure Transmitter
Communication	HART, PROFIBUS PA, FOUNDATION Fieldbus
Housing material	Aluminum or Stainless Steel
Measured variable	Pressure
Output signal	4...20 mA HART, PROFIBUS PA, Foundation Fieldbus
Ambient temperature range	-40 to +85 °C
Power supply	10.5...45 V DC
Protection class	IP66, IP67
Process connection	Various