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MFA 9000
Witt MFA 9000 User Manual
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WITT
-
GASETECHNIK GmbH & Co KG
Salinger Feld 4
-
8
: +49 (0)230
2 89010
www.w
ittgas.com
Gas Safety
-
& C
ontrol
Equipm
ent
D-
58454 W
itten
Fax: +
49 (0)2302 89
013
witt@wittgas.com
9.1.3
Electri
cal (MFA
9000
)
Di
s
pl
a
y:
128 x 64 d
ot gra
phic LCD
displa
y (31 x
51 m
m)
Keypad:
3x m
embrane co
v
ered pus
h
-
buttons
Current L
oop:
Linearize
d 0/4 to
20 m
A
User s
electab
le
Fully floa
ting:
±500 V to
ground (
m
ax.)
Load:
800 Ohm
(max
.)
Resolutio
n:
16 bit
Analog O
utput 1/
2:
Non isolated
Voltage r
ange:
0 to 10 V
Load:
1000 Ohm
(m
in.)
Resolutio
n:
16 bit
Interfac
e:
RS232
Baud rate
:
19.2 kbaud
Data:
8 bit
Pa
ri
t
y:
None
Stop:
1
10
A
ttach
ment
F
unctiona
l schem
e
Ele
ctr
ical c
irc
uit d
ia
gram
Pr
ojectio
n drawin
g (if ex
istent)
List of s
ymbols
used in f
unctiona
l schem
e
45
Table of Contents
Table of Contents
2
Notes on These Operating Instructions
4
Scope
4
Structure
4
Rights to this Manual
5
What Symbols Are Used
5
Safety Instructions and Precautionary Measures
6
General Safety Guidelines
6
Measurement of Burnable Gases
7
Liability for Proper Function or Damage
7
Equipment Description
8
Intended Use of the Analyser
8
Functional Description
8
Technical Data of the Analyser
9
Set up and Installation
10
Checking for Transport Damage
10
Location for Setting up
10
Safety Instructions for Installation
10
Installation of Gas Pipes
11
Electrical Installation
12
Commissioning and Operation
13
Safety Instructions for Commissioning and Operation
13
Commissioning and Operating of the Analyser
13
Calibration Check / Calibration of the Selected Gas Combination
14
Shut-Down
15
Malfunctions and Rectification
15
Malfunction Table
15
Operation of the Analyser Module
17
The Front Panel
17
Process Alarm and System Error Indicators
17
System Alarm Indicator (Red)
17
System Maintenance Indicator (Yellow)
17
Operation Indicator (Green)
17
RIGHT / Selection Key
18
UP / Selection Key
18
ENTER / Termination Key
18
Front Panel Menu
18
Warm up Screen
19
Operation Screen
19
Top Level Main Menu
20
Calibration
20
Set Offset Gas Concentration
20
Gain Gas Concentration
21
Offset Calibration
21
Gain Calibration
22
Diagnosis
22
Parameter Menu
22
Errors
23
Setup
24
The Instrument Setup Menu
25
Unit Setup
25
Measuring Gas Setup
26
Response Time Setup
27
Multi Gas Mode List
28
The Relays Setup Menu
28
Relay 1 Mode
29
Relay 1 Threshold
29
Relay 1 Hysteresis
30
Relay 1 Failsafe / Not Failsafe
30
Relay 1 Active/Frozen During Calibration
31
Relay 2 Mode
31
Common Relay
32
Analog Output Setup
33
Current Loop
33
Analog Output 1
35
Analog Output 2
36
Adjust Loop
36
Expert Setup
37
Parameter
37
Access Modes
38
Reset Functions
39
Test of Relays, Analog Outputs and Connections
40
System Errors
41
Servicing and Maintenance
42
Safety Instructions for Servicing and Maintenance
42
Repair Advise
42
Inspection and Maintenance
43
Check / Replace Filter in the Gas Inlet
43
Technical Data
44
Sensor Specifications
45
Performance
45
Measuring Gas / Carrier Gas Combinations and Possible Measuring Ranges
45
Electrical (MFA 9000)
46
Attachment
46
4
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Witt MFA 9000 Specifications
General
Brand
Witt
Model
MFA 9000
Category
Measuring Instruments
Language
English
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