| Master | Pull-up resistors Rp Rp (Serial Clock Line) SCL (Serial Data Line) SDA |
|---|
| Sensor 1 | Sensor 2 Sensor 3 ABP2 Series Basic Board Mount Pressure Sensors Datasheet | automation.honeywell.com/hss | 35 TABLE 22. I2C STATUS BYTE EXPLANATION |
|---|
| BIT (Meaning) | Status Comment 7 Always 0 — 6 (Power indication) 1 = device is powered 0 = device is not powered Indicates that the data for the last command is not yet 5 (Busy flag) 1 = device is busy available. No new commands are processed if the device is busy. 4 Always 0 — 3 Always 0 — 2 (Memory integrity/error Indicates whether the checksum-based integrity check 0 = integrity test passed |
|---|
| flag) | passed or failed; the memory error status bit is calculated 1 = integrity test failed only during the power-up sequence. 1 Always 0 — 0 (Math saturation) 1 = internal math saturation has occurred TABLE 23. I2C OUTPUT MEASUREMENT COMMAND |
|---|
| Step | Action Notes Master to Sensor S SensorAddr 0 A Command A CmdData <15:8> A CmdData A P <7:0> 7-bit Sensor to Master Write bit S Start condition |
|---|
| Option 1: Wait until the busy flag in | Option 2: Wait for at Option 3: Wait for the |
|---|
| the Status Byte clears. | least 5 ms for the data EOC indicator. P Stop condition conversion to occur. 2 S SensorAddr 1 A Status N P A Acknowledge 7-bit N Not acknowledge Read bit To read only the 24-bit pressure output along with the 8-bit Status Byte:t S SensorAddr 1 A Status A PressData <23:16> A PressData A PressData N P |
|---|
| <15:8> | <7:0> 7-bit Read bit 3 To read the 24-bit pressure output and 24-bit temperature output along with the 8-bit Status Byte: S SensorAddr 1 A Status A PressData <23:16> A PressData A PressData A TempData A TempData A TempData N P |
|---|
| <7:0> | <7:0> 7-bit Read bit ABP2 Series Basic Board Mount Pressure Sensors Datasheet | automation.honeywell.com/hss | 36 TABLE 24. I2C SENSOR ADDRESS OF 0X28 COMMUNICATIONS |
|---|
| S SensorAddr 1 A | Status N P A Acknowledge 0x51 N Not acknowledge Read bit To read the 24-bit pressure output along with the 8-bit Status Byte: 0x28 1 S SensorAddr 1 A Status A PressData <23:16> A PressData A PressData N P |
|---|
| tLOW | tSUDAT tHDSTA tBUS SCL |
|---|
| tHDSTA | tHDDAT tHIGH tSUSTA tSUSTO |
|---|
| Characteristic | Abbreviation Min. Typ. Max. Unit |
|---|
| SCL clock frequency | fSCL 100 — 400 kHz Start condition hold time relative to SCL edge tHDSTA 0.1 — — μs |
|---|
| Minimum SCL clock low width1 | tLOW 0.6 — — μs |
|---|
| Minimum SCL clock high width1 | tHIGH 0.6 — — μs Start condition setup time relative to SCL edge tSUSTA 0.1 — — μs Data hold time on SDA relative to SCL edge tHDDAT 0 — — μs Data setup time on SDA relative to SCL edge tSUDAT 0.1 — — μs |
|---|
| Stop condition setup time on SCL | tSUSTO 0.1 — — μs Bus free time between stop condition and start condition tBUS 2 — — μs |
|---|
| Output level low | Outlow — 0 0.2 VDD |
|---|
| Output level high | Outhigh 0.8 1 — VDD |
|---|
| Pull-up resistance on SDA and SCL | Rp 1 — 50 kOhm Combined low and high widths must equal or exceed minimum SCL period. ABP2 Series Basic Board Mount Pressure Sensors Datasheet | automation.honeywell.com/hss | 37 Serial.begin(9600); while (!Serial) { delay(10); Wire.begin(); sprintf(printBuffer, "\nStatus Register, 24 - bit Sensor data, Digital Pressure Counts,\ Percentage of full scale pressure, Pressure Output, Temperature\n"); S |
|---|
| Data Transmission Lines | MOSI |
|---|
| SCLK: Signal Clock | MOSI |
|---|
| MISO | Sensor 1 |
|---|
| MOSI: Master Out/Sensor In | Master MISO |
|---|
| MISO: Master In/Sensor Out | SS1 |
|---|
| SS: Sensor Select | SS SS2 |
|---|
| SS3 | SCLK MOSI Sensor 2 MISO SCLK MOSI Sensor 3 MISO SCLK |
|---|
| MOSI | MSB Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 LSB |
|---|
| Bit (Meaning) | Status Comment 7 Always 0 — 1 = device is powered 6 (Power indication) — 0 = device is not powered Indicates that the data for the last command is not yet 5 (Busy flag) 1 = device is busy available. No new commands are processed if the device is busy. 4 Always 0 — 3 Always 0 — Indicates whether the checksum-based integrity check 0 = integrity test passed 2 (Memory integrity/error flag) passed or f |
|---|
| Command | <15:8> <7:0> |
|---|
| tHDSS | tHIGH tLOW SCLK |
|---|
| MOSI/MISO HiZ | HiZ |
|---|
| tCLKD | tCLKD tSUSS tBUS |
|---|
| SCLK clock frequency | fSCLK 50 — 800 kHz |
|---|
| SS drop to first clock edge | tHDSS 2.5 — — μs |
|---|
| Minimum SCLK clock low width1 | tLOW 0.6 — — μs |
|---|
| Minimum SCLK clock high width | 1 |
|---|
| tHIGH | 0.6 — — μs |
|---|
| Clock edge to data transition | tCLKD 0 — — μs |
|---|
| Rise of SS relative to last clock edge | tSUSS 0.1 — — μs |
|---|
| Bus free time between rise and fall of SS | tBUS 2 — — μs |
|---|
| Output = | * (Pressure - Pmin.) + Outputmin. Pmax. - Pmin. (Output - Outputmin.) * (Pmax.- Pmin.) |
|---|
| Pressure = | + Pmin. Outputmax. - Outputmin. Output max. = output at maximum pressure [counts] Output min. = output at minimum pressure [counts] Pmax. = maximum value of pressure range [bar, psi, kPa, etc.] Pmin. = minimum value of pressure range [bar, psi, kPa, etc.] Pressure = pressure reading [bar, psi, kPa, etc.] Output = digital pressure reading [counts] Output max. = 15099494 counts (90 of 224 counts or |
|---|
| Temperature = out * (24) | + Tmin. (2 - 1) 6291456 * 200 |
|---|
| Temperature = | - 50 16777215 ABP2 Series Basic Board Mount Pressure Sensors Datasheet | automation.honeywell.com/hss | 45 Outputmax. - Outputmin. |
|---|
| NOTICE | NOTICE Instead of using a clamp, a small drop of epoxy may be To apply a more rigid tubing-to-port connection, a low-power applied to either pressure port prior to the tubing being heat gun may be used to slightly heat the tubing. Once placed onto the port or applied at the end of the tubing cooled, the tubing tends to grip the pressure port better. once the tubing is in place. This method holds t |
|---|
| Pressure Port | Manufacturer Type Part Number ID OD Pressure at 25°C (psi) Fre-Thane® |
|---|
| AN | Frelin-Wade 1A-156-11 0.093 in 0.156 in 210 (polyurethane) |
|---|
| RN, RR | Frelin-Wade Fre-Thane 95a-157 0.066 in 0.125 in 225 Superthane® |
|---|
| RN | NewAge Industries silicone 2800161 0.063 in 0,188 in 20 |
|---|
| DA | McMaster silicone 5041K512 2,0 mm 6,0 mm 60 ABP2 Series Basic Board Mount Pressure Sensors Datasheet | automation.honeywell.com/hss | 47 5,05mm Pressure Pressuremanifold manifold O-ringsize: size: |
|---|
| ABP2 SERIES | dash dashnumber number-004 -004 |
|---|
| per AS-568 Standard | 1,85 |
|---|
| mm | Designs1 Pressuremanifold |
|---|
| Port | VN Pressure Port 2 5,7 5,7mm Pressure Pressuremanifold manifold |
|---|
| O-ring size: | 5,74 mm dash number |
|---|
| Pressure | -004 manifold per AS-568 Standard 1,2 mm O-ring O-ringsize: size: O-ring size: dash dashnumber number-006 -006 dash number -004 per AS-568 Standard per AS-568 Standard |
|---|
| AN Pressure Port | SN Pressure Port 2 5,05 mm |
|---|
| Pressure manifold | 5,29 5,29mm Pressure Pressuremanifold manifold O-ring size: |
|---|
| dash number -004 | 5,05 mm perPressure AS-568 Standard |
|---|
| manifold | 1,85 mm O-ring O-ringsize: size: |
|---|
| plate | per perAS-568 |
|---|
| AS-568Standard | 2,5 |
|---|
| dash number | Standard 2,5mm |
|---|
| dash number -006 | suitability of the product in the application. per 20 AS-568 Standard 1,8 mm O-ring size: |
|---|
| 材質 | Supplier |
|---|
| NN | -004 1,78 1,78 Fluoroelastomer McMaster 8333T114 Durometer 70A |
|---|
| SN | -005 2,57 1,78 Fluoroelastomer McMaster 8333T115 Durometer 70A |
|---|
| VN | -006 2,90 1,78 Fluoroelastomer McMaster 8333T116 Durometer 70A |
|---|
| Figure 22. Guidelines for O-Ring Manifold | Figure 23. Force v. % of O-ring Compression for N Port |
|---|
| Designs | Type |
|---|
| VX Pressure Port1 | SX Pressure Port 2 The recommended design has been validated for operating conditions ranging from -40 °C to 110 °C and up to 16 bar guage pressure. For more demanding applications, a second O-ring can be used with a gland height of 3,6 mm (VN pressure port) and 4,55 mm (SN pressure port). TABLE 31. RECOMMENDED O-RINGS O-ring size AS- |
|---|
| or emergency stop devices or in any | materials and faulty workmanship during |
|---|
| other application where failure of the | the applicable warranty period. The |
|---|
| product could result in personal injury. | Honeywell standard product warranty |
|---|
| Failure to comply with these | applies unless agreed to otherwise by |
|---|
| instructions could result in death or | Honeywell in writing; please refer to |
|---|
| serious injury. | your order acknowledgment or consult your local sales office for specific warranty details. If warranted goods |
|---|
| m WARNING | are returned to Honeywell during the |
|---|
| MISUSE OF | period of coverage, Honeywell will |
|---|
| DOCUMENTATION | repair or replace, at its option, without |
|---|
| • | The information presented in this charge those items that Honeywell, |
|---|
| product sheet is for reference only. | in its sole discretion, finds defective. |
|---|
| Do not use this document as a | The foregoing is buyer’s sole remedy product installation guide. and is in lieu of all other warranties, |
|---|
| and maintenance information | expressed or implied, including those |
|---|
| is provided in the instructions | of merchantability and fitness for a |
|---|
| supplied with each product. | particular purpose. In no event shall |
|---|
| USA/Canada | +302 613 4491 |
|---|
| Latin America | +1 305 805 8188 |
|---|
| Europe | +44 1344 238258 |
|---|
| Japan | +81 (0) 3-6730-7152 |
|---|
| Singapore | +65 6355 2828 |
|---|
| Greater China | +86 4006396841 Fre-Thane® is a registered trademark of Freelin-Wade Co. Superthane® is a registered trademark of NewAge® Industries. 32350268-I-EN | I | 10/25 |
|---|
| www.honeywell.com | © 2025 Honeywell International Inc. All rights reserved. |
|---|
