Hach si792 D-FF Series Bedienungsanleitung
DOC026.52.00797
si792 D
si792x D
si792x D-FF
si792x D-PA
Dissolved Oxygen
2-Wire Transmitters
USER MANUAL
03/2014, Edition 8
2
1
Table of Contents
Section 1 Specifications ......................................................... 5
Section 2 General Information........................................... 11
2.1 Safety information .................................................................... 11
2.1.1 Use of hazard information ................................................. 11
2.1.2 Precautionary labels.......................................................... 11
2.2 General product information..................................................... 13
2.2.1 Product overview............................................................... 13
2.2.2 FDA 21 CFR part 11 Compliance (HART only)................. 13
2.2.2.1 Electronic signatures for si792(x) D transmitters ....... 14
2.2.2.2 Audit trail for si792(x) D transmitters.......................... 14
Section 3 Installation.............................................................. 15
3.1 Hazardous location................................................................... 16
3.2 Unpacking the transmitter ........................................................ 16
3.3 Mechanical installation ............................................................. 18
3.3.1 Transmitter assembly ........................................................ 18
3.3.2 Mounting ........................................................................... 18
3.3.2.1 Wall mount ................................................................. 18
3.3.2.2 Panel or pipe mount (optional) ................................... 18
3.4 Wiring Safety Information ......................................................... 20
3.5 Electrical installation................................................................. 21
3.5.1 Wire preparation................................................................ 21
3.5.2 Power and communication connections............................ 23
3.5.2.1 si792(x) D (4–20 mA/HART) wiring............................ 24
3.5.2.2 si792x D-FF and si792x D-PA wiring ......................... 25
3.5.3 Sensor wire connection ..................................................... 25
3.5.3.1 Oxygold G/Oxyferm sensor—si792(x) D
(4–20 mA/HART)................................................................. 26
3.5.3.2 Oxygold G/Oxyferm sensor—si792x D-FF or
si792x D-PA ........................................................................ 27
3.5.3.3 Oxysens sensor—si792(x) D (4–20 mA/HART)......... 28
3.5.3.4 Oxysens sensor—si792x D-FF and si792x D-PA ...... 29
3.6 HART communication connection ............................................ 30
Table of Contents
2
Section 4 Interface and navigation.................................. 31
4.1 si792(x) D (4–20 mA/HART) interface...................................... 31
4.2 si792x D-FF and si792x D-PA interface ................................... 32
4.3 Display...................................................................................... 33
Section 5 Operation—si792(x) D
(4–20 mA/HART)......................................................................... 35
5.1 Measure mode ......................................................................... 35
5.2 Configuration ............................................................................ 35
5.2.1 Output configuration .......................................................... 36
5.2.1.1 Output range .............................................................. 38
5.2.1.2 Time averaging filter................................................... 38
5.2.1.3 Output signal during errors......................................... 38
5.2.1.4 Output signal during HOLD ........................................ 39
5.2.2 Temperature sensor configuration ....................................40
5.2.3 Correction menu configuration .......................................... 40
5.2.4 Calibration mode configuration.......................................... 41
5.2.5 Alarm settings configuration .............................................. 41
Section 6 Operation—Foundation Fieldbus................ 43
6.1 Configuration ............................................................................ 43
6.1.1 Configuration steps ........................................................... 43
6.1.2 Configuration menu ........................................................... 44
6.2 Foundation Fieldbus communication........................................ 46
6.2.1 Standard resource block (RB) ........................................... 46
6.2.2 Standard analog input block (AI) .......................................49
6.2.2.1 Operating modes........................................................ 49
6.2.2.2 Set the parameter and units ....................................... 49
6.2.2.3 Data processing ......................................................... 50
6.2.2.4 Alarms ........................................................................ 50
6.2.2.5 Bus parameters for the analog input block................. 51
6.2.2.6 Cyclic measured value status..................................... 54
6.2.2.7 Measured value limits—limit bits................................ 54
6.2.3 Transducer block............................................................... 55
6.2.4 Calibration via Foundation Fieldbus ..................................63
Table of Contents
3
Section 7 Operation—Profibus PA................................... 65
7.1 Configuration ............................................................................ 65
7.1.1 Configuration steps ........................................................... 65
7.1.2 Configuration menu........................................................... 66
7.2 Profibus PA communication ..................................................... 67
Section 8 Calibration.............................................................. 71
8.1 Calibration ................................................................................ 71
8.1.1 Zero calibration ................................................................. 72
8.1.2 DO calibration (default) ..................................................... 73
8.1.2.1 Calibration in air (recommended)............................... 73
8.1.2.2 Calibration in water .................................................... 74
8.1.3 Gas calibration (volume concentration)............................. 74
8.1.4 Calibration by comparison................................................. 75
8.2 Temperature sensor adjustment .............................................. 76
Section 9 Maintenance........................................................... 77
9.1 Cleaning the instrument ........................................................... 77
9.2 Sensor maintenance ................................................................ 77
Section 10 Troubleshooting................................................ 79
10.1 Sensoface .............................................................................. 79
10.2 Sensocheck............................................................................ 79
10.3 Error codes............................................................................. 80
10.4 Calibration errors.................................................................... 82
10.5 Diagnostic functions ............................................................... 83
Section 11 Parts and accessories.................................... 85
11.1 si792 D series versions .......................................................... 85
11.2 Accessories............................................................................ 85
Appendix A Passcode editor.............................................. 87
Table of Contents
4
5
Section 1 Specifications
Specifications are subject to change without notice.
Transmitter
Composition PBT (polybutylene terephthalate)
Display LCD
Fittings
3 knockouts for M20 x 1.5 strain reliefs
2 knockouts for ½ inch NPT or rigid
metallic conduit
Power Requirements—HART
12–30 VDC (30 VDC maximum)
100 mA maximum
0.8 W maximum (Ex)
Power requirements—FF and
Profibus PA
FISCO bus supply: 9 to 17.5 VDC
Linear barrier: 9 to 24 VDC
Loop current—HART 4–20 mA floating;
3.80–22.00 mA specifiable
Current consumption—FF and
Profibus PA <13.2mA
Maximum current in case of fault
(FDE)—FF and Profibus PA <17.6mA
Measurement error1<0.3% current value + 0.05 mA
Specifications
6
Certification (may not apply to all
sensors. Refer to the control drawing or
listing for certification information for
the sensor that is used)
US:
si792 D
FM listed for:
Class I, Division 2
si792x D; si792x D-FF; si792x D-PA
FM listed for:
Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Groups E, F,
Class III, Division 1
Class I, Zone 0, AEx ia, Group IIC T4
Enclosure: Type 2
Canada:
si792 D CSA certified to:
Class I, Division 2
si792x D CSA certified and
si792x C-FF; si792x D-PA cFMus
certified to:
Class I, Division 1, Groups A, B, C, D
Class I, Division 2, Groups A, B, C, D
Sensor: Class I, Zone 0, Group IIC
Transmitter: Class I, Zone 1, Group IIC
Enclosure: Type 2
EU:
si792x P;
ATEX Certification:
II 2 (1) G Ex ib [ia Ga] IIC T6 Gb
si792x D-FF; si792x D-PA
II 2 (1) G Ex ia IIC T4 Ga
CE Marked to:
EMC Directive 2004/108/EC
ATEX Directive 94/9/EC
Enclosure: IP65
Lightning protection EN 61000-4-5
Output averaging time constant (HART) 0–120 seconds
Output span allowed
2%–500%
200–9999 µg/L (ppb)
0.5–50 mg/L (ppm)
Specifications
7
Storage Temperature –20 to 70 °C (–4 to 158 °F)
Operating Temperature –20 to 55 °C (–4 to 131°F)
Weight Approximately 1 kg
Dimensions H 144 mm, W 144 mm, D 105 mm
Data retention Parameters and calibration data
>10 years (EEPROM)
Passcodes Modifiable according to FDA 21 CFR
Part 11 “Electronic Signatures”
Sensocheck
Automatic monitoring for short circuits
or open circuits (can be disabled).
Delay: 30 seconds.
Probe monitor Direct display of uncorrected sensor
signal (sensor current/temperature)
Communications
HART communication
Digital communication by FSK
modulation of loop current, reading of
device identification, measured values,
status and messages, reading and
writing of parameters, start of product
calibration, signaling of configuration
changes according to FDA 21 CFR
Part 11.
Foundation Fieldbus (FF_H1)
Bus-powered device with constant
current consumption. Cyclic and acyclic
data exchange. 1 resource block,
1 transducer block, 3 analog input
function blocks (switchable: O2
saturation, O2 concentration,
temperature, zero, slope, volume
concentration)
Execution time: 50 ms
Certified to ITK 4.6
Physical interface: to IEC 1158-2
Address range: 017 to 246
Specifications
8
Profibus-PA (DPV1)
Bus-powered device with constant
current consumption. Cyclic and acyclic
data exchange. Physical block,
2 analog input function blocks,
2 discrete input blocks, logbook block,
alarm block.
PNO directive: PROFIBUS-PA,
Profile for Process Control Devices,
Version 3.0
Physical interface: MBP-IS
(Manchester Bus Powered-Intrinsically
Safe) to IEC 1158-2 (DIN-EN 61158-2)
Connection: via segment coupler to
SPC, PC, PCS
Address range: 1 to 126
Temperature Input
Probe NTC 30 k/NTC 22 k (selectable),
2-wire connection
Range –20.0 to 150.0 °C (–4 to 302 °F)
Adjustment range 10 K
Resolution 0.1 °C; 0.1 °F
Measurement error1,2<0.5 K
(<1 K at T >100 °C)
Dissolved oxygen input
Type A sensor3Oxyferm, Oxysens (Hamilton)
Type B sensor3Oxygold G (Hamilton)
Measuring current 0–1200 nA; resolution: 20 pA
Measurement error1,20.5% measured value + 0.05 nA
Temperature coefficient 0.005 nA/K
Permitted guard current 20 µA
Polarization voltage 400–1000 mV; resolution:
approximately 3 mV
Range, percent saturation 0–199.9%/200–500% (–10 to 80 °C)
Andere Handbücher für si792 D-FF Series
1
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