SIEMENS SITRANS P DS III series pressure transmitter

Anti static tools should be used in hazardous areas where the dust layer on the surface of the dust cleaning and removal equipment is greater than 5mm to avoid the accumulation of static electricity

Use a soft brush and an appropriate solvent to clean film deposits. Do not use sharp tools to avoid scratching the film

Parameter calibration: Regularly verify the range and zero point (e.g. every 6 months) using a standard pressure source and record calibration data

2. Fault handling

Fault indication method:

SDP panel: indicates faults through a combination of on/off/flashing of 2 LEDs (such as alternating flashing of dual lights=RAM fault);

BOP/AOP panel: displays Fxxx fault codes (such as F0001=ground fault) or Axxx alarm codes (such as A0002=over range alarm);

HART/PA/FF: View detailed fault information (such as sensor disconnection, EEPROM failure) through communication tools.

Common troubleshooting solutions:

Fault code, fault type, possible causes, and solutions

F0001 grounding fault 1. Motor power does not match equipment; 2. Cable grounding; 3. Equipment overload: 1. Check P0307 (motor power); 2. Check the insulation of the cable; 3. Reduce load

F0002 DC bus overvoltage 1. Input voltage exceeds the range; 2. The slope descent time is too short; 3. The regenerative energy of the load is high. 1. Check the power supply voltage (which should be between 10.5-45V DC); 2. Increase P1121 (slope descent time); 3. Install a braking unit

F0051 EEPROM fault EEPROM read/write failure 1. Perform factory reset (P0010=30+P0970=1); 2. Replace the electronic unit (if reset is ineffective)

Fault reset method:

Power off and restart the device;

Press the reset button on the BOP/AOP panel;

Trigger reset through digital input 3 (parameters need to be configured in advance).

Technical specifications (core parameters)

1. Pressure range (HART/PA/FF universal)

Measurement Type Range Maximum Operating Pressure (MAWP) Maximum Test Pressure

Gauge pressure 0.01~700bar g 0.04~800bar g 0.06~800bar g

Absolute pressure 8.3mbar~100bar a 1.5~160bar a 6~250bar a

Differential pressure 1mbar~30bar 32~420bar 32~600bar

2. Temperature range

Temperature Type Range Remarks

The ambient temperature is -40~85 ℃ for Ex i/T6 version and -40~60 ℃ for Ex d/T4 version

Process temperature -40~250 ℃ can reach 250 ℃ with cooling extension, and -40~100 ℃ without extension

Storage temperature -50~85 ℃, limited moisture-proof packaging, requires additional protection

3. Electrical and communication parameters

Parameters: HART PROFIBUS PA/Foundation Fieldbus

Supply voltage DC 10.5~45V (Ex i type 10.5~30V) Bus supply DC 9~32V (Ex i type 9~24V)

Current consumption - maximum 15.5mA (in case of fault)

Output signal 4-20mA (load independent) digital signal (compliant with PROFIBUS PA/FF specifications)

EMC compatibility complies with EN 61326, NAMUR NE 21 complies with EN 61326, NAMUR NE 21

4. Certification and Protection

Protection level: IP65/IP68 (EN 60529), NEMA 4X;

Explosion proof certification: ATEX（PTB 99 ATEX 1160）、FM（Certificate of Compliance 3008490）、CSA（Certificate of Compliance 1153651）；

Compliance directives: EMC 2004/108/EC, ATEX 94/9/EC, PED 97/23/EC.