EUTECH INSTRUMENTS ALPHA CON 200 CONDUCTIVITY... Manual de usuario
Instruction Manual
αlpha CON 200
1/8 DIN Conductivity Controller with
Temperature display and Transmitter
68X276103 rev 0
04/2002
Technolo
g
y
M
ade
E
a
s
y
.
.
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PREFACE
This manual serves to explain the use of the αlpha CON 200
controller/transmitter. This manual functions in two ways: first, as a step-
by-step guide to help you operate the meter; second, it serves as a handy
reference guide.
This manual is written to cover as many anticipated applications of the
αlpha CON 200 controller/transmitter as possible. If there are doubts in
the use of the αlpha CON 200 controller/transmitter, do not hesitate to
contact the nearest Eutech Instruments Authorized Distributor.
Eutech Instruments cannot accept any responsibility for damage or
malfunction to the controller/transmitter caused by improper use of the
instrument. Remember to fill in the guarantee card and mail it mail to your
Authorized Distributor or Eutech Instruments Pte Ltd.
The information presented in this manual is subjected to change without
notice as improvements are made, and does not represent a commitment
on the part of Eutech Instruments Pte Ltd.
Copyright
©
Apr 2002 Eutech Instruments Pte Ltd. All rights reserved.
TABLE OF CONTENTS
1
INTRODUCTION 1
2
SAFETY INFORMATION 2
3
OVERVIEW 3
3.1
F
RONT
P
ANEL
3
3.2
B
ACK
P
ANEL
4
3.3
W
IRING
5
3.4
P
ANEL
-
MOUNTING THE CONTROLLER
6
4
MEASUREMENT MODE 7
5
PASSWORD 8
6
CONDUCTIVITY CALIBRATION 10
7
TEMPERATURE CALIBRATION 12
8
SETUP MODE 13
8.1
G
ENERAL
I
NFORMATION
13
8.2
S
ETUP MODE OVERVIEW
14
8.3
S
ET
P
OINT
1
–
P1.0 15
8.4
S
ET
P
OINT
2
–
P2.0 17
8.5
M
EASUREMENT
R
ANGE
S
ELECTION
–
P3.0 19
8.6
C
ONFIGURE
T
EMPERATURE
S
ETTINGS
–
P4.0 20
8.7
V
IEWING
C
ONDUCTIVITY
C
ALIBRATION
D
ATA
–
P5.0 21
8.8
V
IEWING
C
ONDUCTIVITY
/
T
EMPERATURE
E
LECTRODE
D
ATA
–
P6.0 22
8.9
C
ONTROLLER
R
ESET
–
P7.0 23
9
RELAYS 24
10
TRANSMITTER FUNCTION 24
11
SPECIFICATIONS 25
12
ACCESSORIES 26
13
GENERAL INFORMATION 29
1
1INTRODUCTION
Thank you for purchasing a CON 200 ⅛DIN Conductivity Controller. This
controller is part of a series of quality process controllers available from Eutech
Instruments. These sturdy, economical conductivity controllers are designed with
the features and reliability of a much more expensive instrument.
Your controller includes:
•
Removable terminal blocks for easy connections;
•
Two mounting brackets for easy panel mounting;
Some features of this controller are:
•
Two set point, two SPDT relay operation
•
Scrolling, 14-segment LED guides user easily through setup functions
•
Reliable power supply from 85 to 260 V AC, 50/60 Hz or DC withstands
voltage fluctuations
•
Push-button operation from the front panel
•
Single-point calibration for each individual range
•
Adjustable hysteresis band prevents rapid contact switching around set-point
•
Selectable automatic or manual temperature compensation
•
Two-level password protection
•
Removable terminal strips for quick and easy connections
•
Built-in memory backup retains setup even if power fails, and lets you
configure unit before installation
•
Isolated 4-20 mA output for remote monitoring or hard copy recording
2
2SAFETY INFORMATION
The Eutech Controller/Transmitter shall be installed and operated only in the
manner specified in the Instruction manual. Only skilled, trained or authorized
person should carry out installation, setup and operation of the instrument.
Before powering up the unit, make sure that power source it is connected to, is as
specified in the top label. Failure to do so may result in a permanent damage to the
unit.
The unit has live and exposed parts inside. If it has to be opened, make sure that
the power to the unit is off and disconnected.
The unit is Fuse protected. In the event the fuse has to be replaced, use only those
as specified in the manual.
The degree of protection against electric shock will be achieved only by
observance of the corresponding installation rules.
3
3OVERVIEW
3.1 Front Panel
The front panel consists of a 4-digit LED display, 8 LED annunciators and 4 keys.
Annunciators
1. REL 1 Displayed when Relay 1 is activated
2. REL 2 Displayed when Relay 2 is activated
3. MEAS Displayed in measurement mode
4. CAL Displayed in calibration mode
5. SETUP Displayed in setup mode
6. µS Displayed when measurement range in micro-Siemens / cm
7.
o
C Unit of the displayed parameter (temperature)
8. mS Displayed when measurement range in milli-Siemens / cm
Keys
9. MODE
Toggle between Conductivity and temperature display
10. ENTER
Confirm changes or to enter into further levels of sub-menu
11. ▲(
increment) Use during calibration and setup modes to increment values.
Press
▲/▼
keys together to escape to Measurement mode
11. ▼(decrement)
Use during calibration and setup modes to decrease values.
Press
▲/▼
keys together to escape to Measurement mode
12. LED Display 14 segment LED display
8.8.8.8.
4
3.2 Back Panel
The back panel consists of three different connectors that can be used with
removable terminal blocks (included):
12 11 10 9 8 7 6 5 4 3 2 1
19 18 1 7 16 15 1 4 13
1. VAC live wire
2. VAC neutral wire
3. VAC protective ground wire
4. unused
5. Relay 2 deactivated position (normally closed)
6. Relay 2 center pole
7. Relay 2 activated position (normally open)
8. Relay 1 deactivated position (normally closed)
9. Relay 1 center pole
10. Relay 1 activated position (normally open)
11. 4-20 mA connection, negative
12. 4-20 mA connection, positive
13.
Pt 100 connection: sense (jumper to terminal 14 if using 2-wire RTD)
14. Pt 100 connection: input
15. Pt 100 connection: ground
16. Conductivity positive terminal
17. Conductivity negative terminal
18. unused
19. unused
5
3.3 Wiring
Caution: Ensure electrical mains is disconnected before proceeding.
1. Connect the power supply to the three-pin terminal block
•
VAC live wire = 1
•
VAC neutral wire = 2
•
VAC protective ground wire = 3
alpha CON 200 controller accepts voltages from 85 to 260 VAC, 50/60 Hz or DC.
2. Connect the Pt 100 leads to terminals 13 to 15 of the seven-pin terminal block.
Either wire can be connected to either terminal. Terminals 13 and 14 must be
shunted unless using a 3-wire RTD.
NOTE: CON 200 is factory set for Automatic temperature compensation. MTC can
be selected in Program P4.0.
3. Power on the controller. The display automatically shows the Conductivity
reading, the µS and ‘MEAS’ annunciators lights.
NOTE: In the event Pt 100 is not connected or the connection is broken in the ATC
mode, the display flashes ‘OR’ to alert you.
6
3.4 Panel-mounting the controller
The supplied mounting hardware allows surface mounting to all panels and
protective enclosures. Mounting cut-out size is 91 x 45 mm.
To attach the mounting to the controller:
1. Align the catch to the side of the controller, and insert threaded rods through
catch.
2. Screw the threaded-rod through the catch in a clock-wise direction. Tighten
until the catch holds the controller firmly against the back of the panel or
protective housing. Repeat on the other side.
SIDE VIEW
TOP VIEW
approx.154.20
approx.
100
Wallp
a
Catch
Threade
d
Catch
Threadedrod
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