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RDD100 User Guide 

 

2                                                                                                                                                             www.honeywell.com

 

Table of Contents 

 

Introduction 

 
 

1.1 

Product Overview 

 

1.2 

Transducer Description 

 

Equipment Set Up 

 
 

2.1 

Cables & Connections 

 

2.2 

Personal Computer Set Up 

 

2.3 

Set Transducer Baud Rate 

2.4 

Setting Transducer Display Units 

2.5 

“Continuous Transmit” Mode 

2.6 

Changes Stored In EEPROM 

2.7 

Verifying Stored Parameters 

 

Operation 

 
 

3.1 

Start Up Messages 

 

3.2 

Error Indications 

 

 

3.2.1 

Transducer Not Connected 

 

 

3.2.2 

Incorrect Baud Rate 

3.2.3 

Not Set Up To Continuously Transmit 

 

 

3.2.4 

Wrong Polarity Of DC Power 

3.2.5 

Transducer Disconnected While Transmitting 

3.2.6 

Over/Under-Ranged Transducer Indications 

 

Power Requirements 

 
 

4.1 

Voltage 

 

4.2 

Current 

 

4.3 

Power Connection 

 

Operating Environment 

 
 

5.1 

Operating Temp Range 

 

5.2 

Storage Temp Range 

 

5.3 

Relative Humidity 

 

Dimensions 

 
 

6.1 

Overall 

 

6.2 

Panel Cutout Dimensions 

 

6.3 

Depth Behind Panel 

 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for RDD100

Page 1: ...Honeywell Pressure Sensor Products RDD100 Remote Digital Display User Manual ...

Page 2: ...ed Parameters 3 Operation 3 1 Start Up Messages 3 2 Error Indications 3 2 1 Transducer Not Connected 3 2 2 Incorrect Baud Rate 3 2 3 Not Set Up To Continuously Transmit 3 2 4 Wrong Polarity Of DC Power 3 2 5 Transducer Disconnected While Transmitting 3 2 6 Over Under Ranged Transducer Indications 4 Power Requirements 4 1 Voltage 4 2 Current 4 3 Power Connection 5 Operating Environment 5 1 Operatin...

Page 3: ...dependent upon the pressure display units selected Although many of the supported transducers also have a 0 5V analog output only the digital output is used by the RDD100 as it provides better resolution and accuracy Any of 16 different pressure display units may be selected for use with the RDD100 A list of available pressure units is shown in section 2 4 below A more complete description of the ...

Page 4: ...te for the transducer is shown below The commands below all use a broadcast address 99 to allow them to operate correctly even if the transducer address has been changed from the factory default setting which is address 01 With the PC and transducer operating at the baud rate found to return a non garbled start up message Type 99we cr Carriage Return Resp 99WE Command Echo Type 99bp n9600 cr Resp ...

Page 5: ...was in the original psi scale For example when a 10 psia device is switched to DU LCOM the full scale digital pressure output will be 60 000 instead of 10 000 Also a 500 psi device will output full scale 600 00 instead of 500 00 PFS generally provides the highest readout resolution available when using the RDD100 readout 2 5 Continuous Transmit Mode Type 99we cr Resp 99WE Command Echo Type 99mo p2...

Page 6: ... Power The RDD100 is equipped with the reverse polarity protection diodes at its power input The instrument will operate with either polarity 3 2 5 Transducer Disconnected While Transmitting If the transducer is disconnected while transmitting the last reading received will remain on the display and the error LED will light indicating that no further updates are being made Reestablishing connectio...

Page 7: ...ed 2 Separate cables are available for transducers with Metal or Plastic electrical connectors Standard cable length is 6 feet 1 8 m Connectors may be purchased from Honeywell to construct custom length cables Due to RS 232 limitations recommended maximum length is 50 ft 15 m 3 12 VDC plug is 2 1 x 5 5 x 10 mm I D x O D x length Center pin may be either positive or negative polarity RDD100 Wall mo...

Page 8: ...RDD100 User Guide 8 www honeywell com Honeywell International 12001 State Highway 55 Plymouth MN 55441 Tel 1 800 323 8295 www honeywellmps com ADS 14124 December 2012 ...

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