Electromagnetic Flowmeter LF610 Series
Operation Guide
Setting Parameters Flow
Setting Menu
Items
Screen Display
Setting or selecting value
A
A
DETECTOR
1 Exicitation Current
EXC CUR
0.0000A
〜
0.2500A (0.0001A each)
*1
2 Meter size
SIZE
0.1
〜
36 inch , 2.5mm
〜
900mm
*1
3 Exicitation Frequency
EXC FREQ
6, 12, 24 Hz
4 Flow Direction
FLOW DIR
NORMAL , SWITCH
5 Measurement Mode
EXIT
B
B
DISPLAY
1 Display 1
DSPL1
・
First Unit : Volume, Others
%, m
3
, L, mL, bbl, gal, m/s, ft/s, COUNT, RANGE, pt, qt,
CUSTOM, GRAPH (*3)
・
Second Unit : Time unit
/s, /min, /h, /d
・
Third unit : Flow direction code
B (Automatic selection bi-directionflow)
F (Fixed forward flow), R (Fixed reverse flow)
D (Difference)
*2
*3
2 Display 2
DSPL2
3 Custom Coefficient
CS VAL
0
〜
99999999
4 Custom Unit
CS UNIT
7 Characters
5 Measurement Mode
EXIT
C
C
RANGE
1 Range Type
R TYPE
SINGLE, 4F-0R, 2F-2R, EXT 2F-0R, EXT 2F-2R
*4
2 Range 1
R1
・
Volume unit
m
3
, L, mL, bbl, gal, pt, qt
・
Time unit
/s, /min, /h, /d
・
Velocity unit
m/s, ft/s
3 Range 2
R2
4 Range 3
R3
5 Range 4
R4
6 Range Hysteresis
R HYS
0.0
〜
25.0 % (0.1% each)
7 Measurement Mode
EXIT
D
D
FILTER
1 Damping Constant
DAMPING
00.0, 00.5, 01.0
〜
60.0 s
2 Rate-of-change Limit
LIM RATE
0.0
〜
30.0 % (0.1% each)
3 Control Limit Time
LIM TIME
00
〜
20 s (1s each)
4 Measurement Mode
EXIT
E
E
LOW CUT
1 Low Cutoff
CUT VAL
0.0
〜
10.0 % (0.1% each)
2 Display Low Cutoff
DSPL SET
LINEAR, LOW CUT
3 Measurement Mode
EXIT
F
F
ZERO
1 Zero Adjustment
ZERO ADJ
Hold down the
key
2 Manual Zero
MANUAL
±10% of 10m/s-maximum range (0.1% each)
*5
3 Measurement Mode
EXIT
G
G
4-20mA
1 4-20mA Alam Output
ALM 4-20
UNDER 3mA, 4mA, HOLD , OVER 24mA
2 Output Low Limit
LOW LIM
4.0mA, 3.2mA, 2.4mA
*6
3 Measurement Mode
EXIT
H
H
DO
1 Digital Output 1
DO1 FUNC
NO USE, HIGH ALM, HH ALM, LOW ALM, LL ALM
RNG SIG1, RNG SIG2, PRESET C, CONV ALM
EMPTY ALM, PLS OUT, PLS FRD, PLS REV
*7
2 Digital Output 2 (*13)
DO2 FUNC
3 Digital Output 1 Active Status
DO1 STAT
NormOPEN, NormCLOSE
*8
4 Digital Output 2 Active Status (*13)
DO2 STAT
5 Measurement Mode
EXIT
I
I
DI
1 Digital Input (*13)
DI FUNC
NO USE, C ST/SP, C RS/ST
RNG SW, ZERO ADJ, FIX OUT
2 Digital Input Detective Level (*13)
DET LVL
H LEVEL, L LEVEL
*9
3 Measurement Mode
EXIT
J
J
CNT/PLS
1 Counting Rate
CNT RATE
Units : m
3
, L, mL, bbl, gal, pt, qt
Value : within the range 3.6
〜
36000000 pulse/h
(0.001
〜
10,000 pps)
2 Plulse Mode
PLS MODE
AUTO, MANUAL
3 Pulse Width
PLS WID
0.3
〜
500.0ms (0.1ms each)
or Less than 40% of the pulse rate for 100% flow rate output
4 Measurement Mode
EXIT
K
K
PRESET C
1 Preset Count
PRST VAL
0
〜
99999999 count (1 count each)
2 Preset Function
OUT MODE
HOLD, 50ms PLS, 500ms PLS
*10
3 Measurement Mode
EXIT
L
L
H/L ALM1
1 High Alarm Set
H SET
ON, OFF
2 High Alarm Value
H VAL
-10
〜
110 % (0.1% each)
3 Low Alarm Set
L SET
ON, OFF
4 Low Alarm Value
L VAL
-10
〜
110 % (0.1% each)
5 Measurement Mode
EXIT
M
M
H/L ALM2
1 High High Alarm Set
HH SET
ON, OFF
2 High High Alarm Value
HH VAL
-10
〜
110 % (0.1% each)
3 Low Low Alarm Set
LL SET
ON, OFF
4 Low Low Alarm Value
LL VAL
-10
〜
110 % (0.1% each)
5 Measurement Mode
EXIT
N
N
SELF CHK
1 Empty Pipe Alarm
EMPTY
OFF, NORMAL, SENS, SENS-H
*11
2 Self-diagnosis function
SELF CHK
ON, OFF
3 Alarm Output Preset
CONV ALM
CONV ONLY, WITH EMP
4 Measurement Mode
EXIT
O
O
FIX OUT
1 Fixed-value Output
FIX SET
ON, OFF
*12
2 Fixed-current Output
CUR VAL
2.4
〜
24.0 mA (0.1mA each)
3 Fixed-pulse Output
PLS VAL
0
〜
10000 pps (1pps each)
4 Measurement Mode
EXIT
P
P
OTHERS
1 Password
PASSWORD
000
〜
999 (1 each)
2 LCD Density Adjustment
LCD ADJ
1(Light)
〜
5 (Dark)
3 Swich Position
SW POSN
TOP, BOTTOM, LEFT, RIGHT
4 Measurement Mode
EXIT
Q
Q
COMM
1 PROFIBUS Communication
PROFIBUS
*13
2 MODBUS Communication
MODBUS
*13
3 Measurement Mode
EXIT
R
R
CAL
1 0% Flow Rate Calibration
CAL 0%
2 50% Flow Rate Calibration
CAL 50%
3 100% Flow Rate Calibration
CAL 100%
4 Checking the Excitation Current Value EXC DSPL
5 Measurement Mode
EXIT
*1 This value is factory adjusted when shipped.
*2
In case of choosing COUNT or RANGE
COUNT : displays totalized flow counts (8 digits) without a unit.
RANGE : displays the range number (1 to 4)
*3 Only display2
*4
Range type
Description
1 : SINGLE
Single range
2 : 4F-0R
Unidirectional flw , automatic selection of multiple ranges
3 : 2F-2R
Bidirectional flows , automatic selestion of multiple ranges
4 : EXT 2F-0R
Unidirectional flows , multiple ranges selected by exterminal single
5 : EXT 2F-2R
Bidirectional flows , multiple ranges selected by exterminal single
*5
(1) In case of the zero adjustment (Menu No.F1),Zero offset is automatically cleared to Zero.
(2) Calculate the zero offset value with the follwing equation:
Zero offset value (%) = {(Actual flow rate) - (LF610 measured value)}
(Sample)
Measured condition
Flow rate
% in measured span
Actual flow rate obtained
from other instrument
10.0 m
3
/min
50%
LF610 measured value
10.5 m
3
/min
52.5%
Zero offset
-
-2.5%
If zero offset is set to -2.5% , LF610 will output 50.0% flow rate instead of 52.5%
*6
4-20mA Alarm Output
Output Status
0 : UNDER 3mA
Under 3mA output
1 : 4mA
4mA output
2 : HOLD
Measured data hold
3 : OVER 24mA
Over 24mA output
*7
DO1,DO2 items
Digital output function
0 : NO USE
Not used
1 : HIGH ALM
High limit alarm output
2 : HH ALM
High high limit alarm output
3 : LOW ALM
Low limit alarm output
4 : LL ALM
Low low limit alarm output
5 : RNG SIG1
Multi - range output No.1
6 : RNG SIG2
Multi - range output No.2
7 : PRESET C
Preset point output
8 : CONV ALM
Converter failure alarm output
9 : EMPTY ALM
Empty pipe alarm output
10 : PLS OUT
Pulse output (bidrectional flow)
11 : PLS FRD
Pulse output (fixed forward flow)
12 : PLS REV
Pulse output (fixed reverse flow)
*8
DO1/DO2 Active Status
Alarm - output Status
0 : NormCLOSE
Normal close
1 : NormOPEN
Normal open
*9
DI Detective Level
Detective Level
0 : L LEVEL
L level
1 : H LEVEL
H level
*10
Preset Function
Output Status
0 : HOLD
Output Status Level Hold
1 : 50ms PLS
Pulse out (pulse width 50ms)
2 : 500ms PLS
Pulse out (pulse width 500ms)
*11
Empty Pipe Alarm
Digital output function
0 : OFF
Not used
1 : NORMAL
Used and Low-sensitive
2 : SENS
Used and Middle-sensitive
2 : SENS-H
Used and High-sensitive
*12
When this function is set to ON , the conditions are follwing.
Items
Conditions
Current output
User - set current output
Pulse output
Pulse output with a user - set counting rate
Digital outputs
Previous status is retained (excluding pulse output).
Data indicating
Instaneous flow rates and flow velocity (no totalization).
*13 These functions are option.
