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Bronkhorst EL-FLOW Base 2014 User Manual

Page 21

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BRONKHORST HIGH-TECH

RespStable

Unsigned char

RW 

0x0E51

0x0E52

3666

RespOpen0

Unsigned char

RW 

0x0E52

0x0E53

3667

Calibration mode

Unsigned char

RW 

0x0E61

0x0E62

3682

Monitor mode

Unsigned char

RW 

0x0E62

0x0E63

3683

Reset

Unsigned char

W

0x0E68

0x0E69

3689

Sensor zero potmeter Unsigned char

RW 

0x0E85

0x0E86

3718

Modbus slave addr.

Unsigned char

RW 

0x0FAA

0x0FAB

4011

Polycnst A

Float

RW 

0x8128..0x8129 0x8129..0x812A 33065..33066

Polycnst B

Float

RW 

0x8130..0x8131 0x8131..0x8132 33073..33074

Polycnst C

Float

RW 

0x8138..0x8139 0x8139..0x81A

33081..33082

Polycnst D

Float

RW 

0x8140..0x8141 0x8141..0x8142 33089..33090

TdsDn

Float

RW 

0x8158..0x8159 0x8159..0x815A 33113..33114

TdsUp

Float

RW 

0x8160..0x8161 0x8161..0x8162 33121..33122

Capacity

Float

RW 

0x8168..0x8169 0x8169..0x816A 33129..33130

Fluid name

String (10 bytes) RW 

0x8188..0x818C 0x8189..0x818D 33161..33165

Capacity unit string

String (7 bytes)

RW 

0x81F8..0x81FB 0x81F9..0x81FC

33273..33276

Fmeasure

Float

R

0xA100..0xA101 0xA101..0xA102 41217..41218

Fsetpoint

Float

RW

0xA118..0xA119 0xA119..0xA11A 41241..41242

Temperature

Float

R

0xA138..0xA139 0xA139..0xA13A 41273..41274

Capacity 0%

Float

RW 

0xA1B0..0xA1B1 0xA1B1..0xA1B2 41393..41394

Device type

String (6 bytes)

R

0xF108..0xF10A 0xF109..0xF10B 61705..61707

Model number

String (14 bytes) RW 

0xF110..0xF116

0xF111..0xF117

61713..61719

Serial number

String (16 bytes) RW 

0xF118..0xF11F

0xF119..0xF120

61721..61728

Manufacturer config String (16 bytes) RW 

0xF120..0xF127

0xF121..0xF128

61729..61736

Firmware version

String (5 bytes)

R

0xF128..0xF12A 0xF129..0xF12B 61737..61739

Usertag

String (13 bytes) RW

0xF130..0xF136

0xF131..0xF137

61745..61751

IOStatus

Unsigned char

RW 

0xF258..0xF259

0xF259..0xF25A 62041..62042

PID Kp

Float

RW 

0xF2A8..0xF2A9 0xF2A9..0xF2AA 62121..62122

PID Ti

Float

RW 

0xF2B0..0xF2B1 0xF2B1..0xF2B2 62129..62130

PID Td

Float

RW 

0xF2B8..0xF2B9 0xF2B9..0xF2BA 62137..62138

Kspeed

Float

RW

0xF2F0..0xF2F1

0xF2F1..0xF2F2

62193..62194

Dynamic displ. factor Float

RW 

0xF508..0xF509

0xF509..0xF50A 62729..62730

Static displ. factor

Float

RW 

0xF510..0xF511

0xF511..0xF512

62737..62738

Exp. Smoothing filt.

Float

RW 

0xF520..0xF521

0xF521..0xF522

62753..62754

Modbus baud rate

Long integer

RW 

0xFD48..0xFD49 0xFD49..0xFD4A 64841..64842

Notes:

• Access indicates whether parameter can be Read and/or Written.

• When a byte parameter is read, the upper 8-bits of the Modbus register will be 0. When a byte

parameter is written, the upper 8-bits must be set to 0.

• Long integer parameters have a length of 4 bytes and are mapped on two consecutive Modbus

registers. The first register contains bit 32-16, the second register contains bit 15-0.

• Floating point parameters have a length of 4 bytes and are mapped on two consecutive Modbus

registers. Floats are in single precision IEEE format (1 sign bit, 8 bits exponent and 23 bits fraction).

The first register contains bit 32-16, the second register contains bit 15-0.

• String parameters can have a length of maximal 16 bytes and can take up to 8 Modbus registers

where each register contains two characters (bytes). The upper byte of the first register contains the

first character of the string. When writing strings, the write action should always start from the first

register as a complete block (it is not possible to write a part of a string). If the string is shorter than

the specified maximum length the string should be terminated with a 0.

9.17.061

EL-FLOW Base Series Mass Flow Controllers

Page 21