Hanna Instruments HI 8001 Manual de usuario

Installation Manual

for technical personnel only

HI 8001 and HI 8002

Agricare-Fertigation

Controller

www.hannainst.com

Dear Customer,

Thank you for choosing a Hanna Instruments product.

Please read this instruction manual carefully before using this instrument.

This manual will provide you with the necessary information for correct use of this instrument, as well as a

precise idea of its versatility. If you need additional technical information, do not hesitate to email us at

[email protected] or view our worldwide contact list at www.hannainst.com.

TABLE OF CONTENTS

1CONTROLLER HARDWARE PRESENTATION ................................................................ 3

1.1 Electrical specifications ................................................................................................ 3

1.2 Inputs Outputs Description ............................................................................................ 4

2 CONTROLLER INSTALLATION .................................................................................... 6

2.1 Installation types ........................................................................................................ 6

2.2 Connections & Wiring .................................................................................................. 7

2.3 Controller start-up ..................................................................................................... 10

2.4 Testing for the customer ............................................................................................. 10

3 APPENDIX 1 - ELECTRICAL DIAGRAMS .................................................................. 14

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner,

Hanna Instruments Inc.

Hanna Instruments reserves the right to modify the design, construction or appearance of its products without

advance notice.

1 CONTROLLER HARDWARE PRESENTATION

1.1 ELECTRICAL SPECIFICA1.1 ELECTRICAL SPECIFICA

1.1 ELECTRICAL SPECIFICATIONSTIONS

TIONSTIONS

TIONS

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1.2 INPUTS1.2 INPUTS

1.2 INPUTS--

-OUTPUTS DESCRIPTIONOUTPUTS DESCRIPTION

OUTPUTS DESCRIPTIONOUTPUTS DESCRIPTION

OUTPUTS DESCRIPTION

1.2.1 Analog Inputs1.2.1 Analog Inputs

1.2.1 Analog Inputs

The main board of HI 8001 and HI 8002 controllers have on the right side eight inputs dedicated for

the standard analog signals: seven of the 4-20mA type and one of the 0-2V type.

The transmitters have to be connected between the pH, the conductivity sensors and the controller.

They can be supplied from the controller outputs (Vs 12VDC) if the consumption doesn’t exceed 250mA.

These inputs use the transmitters that have source current output type.

The Hanna transmitter code that can be used is HI98143-20 (one EC and one pH channel). When the

user has other Hanna transmitter types it can modify them to the HI98143-20. For modifications

contact the closer Hanna Instruments representative.

1.2.2 Digital Inputs1.2.2 Digital Inputs

1.2.2 Digital Inputs

On the main board, near the analog inputs, the controller has 16 digital inputs with optical separa-

tion. They are available only when the IN24Vac input is supplied with 24Vdc (min. 150mA). The

sensors have to be of switch type and connected to the COM IN pins, near the last digital input.

When between a digital input and the COM IN pin a switch ON is connected , that input is considered

as inactive. Otherwise, when the switch is open or the 24Vac supply is not present that digital input is

active. When the power supply is not present this solution detects and generates the alarm conditions.

The digital inputs assigned to the sensors of the external tank are used to generate a start condition

for the programs (if this setting has been done). In this case the program is started when the switch is

ON (closed).

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1.2.3 RS232 input1.2.3 RS232 input

1.2.3 RS232 input

The RS232 communication is available through the RS232 input placed in the left corner on the

connection panel. This port allows the PC application (Agricare) to transfer the data for the remote

control of HI 8001/2. The serial cable is Hanna serial cable type.

To allow our users access to the latest version of Hanna Instruments PC compatible software, we

made the products available for download at http://software.hannainst.com. Select the product code

and click Download Now. After download is complete, use the setup.exe file to install the software.

1.2.4 Accumulator input1.2.4 Accumulator input

1.2.4 Accumulator input

This input is not accessible outside the controller. In case of power failure the controller uses a backup

source (9V and 100mAh Nickel Cadmium accumulator) that can supply the controller for about 2h (at

40mA consumption, in Power Safe Mode). The controller consumption in the power safe mode

depends on the digital input number connected to the COM IN pin.

1.2.5 P1.2.5 P

1.2.5 Power inputsower inputs

ower inputsower inputs

ower inputs

The controller works when the 220V(110V)-dc power supply is connected to the 220Vac input and an

auxiliary 24Vdc(min.150mA) voltage is connected to the IN24Vac input. This source doesn’t supply

internally the digital outputs and should be separated from the external 24Vac power supply used for

the valves. The PE pin from the power supply input must be connected to the ground protection line

(see in the appendix).

1.2.6 P1.2.6 P

1.2.6 Power outputower output

ower outputower output

ower output

This output has 12Vdc and is dedicated to supply the transmitters. Two HI98143-20 transmitters can

be supplied from this output (2-pH channels and 2-EC channels). If another source is used to supply

the transmitters, than a short circuit has to be between the –Vs (12V) pin and the ground of the

external source. When the user connects the EC-in sensor, the third transmitter should be supplied

from this output.

1.2.7 SSR outputs1.2.7 SSR outputs

1.2.7 SSR outputs

Each SSR (solid state relay) output supports a 10A current and is dedicated to command the pH,

fertilizer and filter valves. The valves connected here must be AC supplied.

1.2.8 R1.2.8 R

1.2.8 Relay outputselay outputs

elay outputselay outputs

elay outputs

The other digital outputs are of relay type and also support 10A. For this output type only the NO and

COMMON terminals are accessible on the connector . Twenty-four of these outputs are on the

extension board and can be optional. The remaining outputs are on the main board. For the

extension board, all the COM relay terminals are placed together (inside the controller) at the COM

OUT3 output.

An active output means a short-circuit between that output pin and the COM OUT 1(3) pin from the

same group.

1.2.9 Alarm output1.2.9 Alarm output

1.2.9 Alarm output

The ALARM relay can command a 10A load and all terminals are available on the connection panel

(NC, NO and COM ALARM).

2 CONTROLLER INSTALLATION

2.1 INST2.1 INST

2.1 INSTALLAALLA

ALLAALLA

ALLATION TYPESTION TYPES

TION TYPESTION TYPES

TION TYPES

The hardware architecture can be simplified (pH and EC sensor number, external tank number, and

fertilizer tank number). The controller is produced in four versions (8,16,24 and 32 sectors). The

architecture should be clarified before starting the installation. It depends on:

- pH sensor number

- EC sensor number

- fertilizer tank number

- filter number

- external tank number

- differential presostate number

- sectors number

- agitator number

-other problems that can be generated by external devices (power supply voltage, valve features,

irrigation counter features, pump features, alarm device features, transmitter’s features and

level sensor’s features).

When these external device parameters are not identical with those in the Inputs Outputs Description,

the installation could require modifications on the external devices (transmitters, level sensors etc.)

and/or supplementary components (relays, auxiliary supplies).

The most important things that have to be checked are:

· The main power supply voltage should be the same with the controller voltage.

· The external transformer parameters should be as in chapter 1.2

· The transmitters should be as in chapter 1.2 .

· The devices connected to the digital inputs should be as in chapter 1.2

2.2 CONNECTIONS & WIRING2.2 CONNECTIONS & WIRING

2.2 CONNECTIONS & WIRING

2.2.1 Main power supply connection2.2.1 Main power supply connection

2.2.1 Main power supply connection

The main power should be connected to the J1 connector on the main board as in the next figure.

2.2.2 Auxiliary 24V2.2.2 Auxiliary 24V

2.2.2 Auxiliary 24Vac supply connectionsac supply connections

ac supply connectionsac supply connections

ac supply connections

A separate 24Vdc (150mA) source should be used for this supply. It supplies the digital inputs. The

transformer that is used for the valves could provide the voltage for these inputs, but it needs a

separate winding. The IN 24Vac input can be connected to the same transformer but in this case, here

connections with COM IN pins have to be avoided.

2.2.3 Digital input connections2.2.3 Digital input connections

2.2.3 Digital input connections

The digital inputs have to be connected as in the next figure. All these inputs are mechanical contacts

form switches or relay contacts. When one of the digital inputs is not used (fert. level, acid level, dif.

pres., irrig. counter) it should be connected to the COM IN pin. The unused external tank’s level inputs

have to remain unconnected.

2.2.4 Analog input connections2.2.4 Analog input connections

2.2.4 Analog input connections

The pH, EC and solar radiation sensors have be connected to the analog inputs through the transmit-

ters, that have 4-20mA (source current type) outputs and 0-2V (solar radiation). The Hanna

transmitters that can be used are HI98143-22 (1 pH, 1 EC). The user can or can not use the second pH,

EC sensors or the pH input sensor. The number os EC, pH sensors is configured within panel S55 -

SENSOR CONFIG.

The EC-in sensor can be replaced from installation without modifications. Thus, the “EC-in “ input will

stay unconnected.

The transmitters will be supplied from the +/-Vs outputs. The maximum consumption supported by

the controller is around 250mA (12V). This means that two Hanna transmitters can be supplied from

the same output (2 pH channels and 2 EC channels) and one transmitter for the EC-in sensor.

The following type of sensors can be connected to the transmitters:

HI 1001HI 1001

HI 1001 Plastic in-line pH electrode

HI 3001HI 3001

HI 3001 4-ring conductivity probe

2.2.5 V2.2.5 V

2.2.5 Valve connectionsalve connections

alve connectionsalve connections

alve connections

The valves have to be connected as in the following figure. Each group of 8 valves has a common pin

placed near the valve’s output called COM OUT 1, 2, 3. The valves are not supplied from the controller.

In this case the external transformer should support the consumption for all loads connected to 24Vdc.

The sector outputs from the main board, together with the agitators and the main pump output have

a common fuse, F3. The valves numbered from 9 to 32 have the F1 common fuse on the extension

board.

Filter schematic

The HI 8001 (2) controller has the programs to clean the filters. This operation is done by the four

valves that are commanded alternatively two by two like in the schematic. The controller provides a

mechanical contact that is switched ON/OFF periodically and it can be used in the installation to

control the external relay (see in the appendix).

2.2.6 Main pump connections2.2.6 Main pump connections

2.2.6 Main pump connections

The controller cannot command the pump directly. Thus, the digital output generates the command

for the external pump relay.

2.2.7 Agitator2.2.7 Agitator

2.2.7 Agitator’s connections’s connections

’s connections’s connections

’s connections

The same situation is true for the agitators. They can be supplied with three-phase power.

The relays that connect the power to the agitators are controlled simultaneous by the AGITATOR’S

signal.

2.2.8 Alarm device connections2.2.8 Alarm device connections

2.2.8 Alarm device connections

A special connector is used for the alarm device command. The alarm device connections depend on

the device type. Outside the controller all contacts (NO, NC, COM OUT AL) are accessible.

2.3 CONTROLLER ST2.3 CONTROLLER ST

2.3 CONTROLLER STARTART

ARTART

ART-UP-UP

-UP-UP

-UP

After all the connections have been made according to the controller type and specifications, you

should follow the next steps:

- Disconnect the main supply from the controller (J1 connector)

- Close the K1 switch; verify if there are short-circuits (the fuse F1 blow up)

- verify the analog inputs (sensors, connections, transmitters)

- Turns OFF the Stop switch and supply the controller (connect J1)

- After initialization the Controller State should be in the STOP state

- Go in the S50 (OUTLETS MANUAL CTRL) panel

- For each output device connected to the controller you can verify the correct functioning step by

step. Set and clear the desired output according to the table from APPENDIX 2 (InstructionInstruction

InstructionInstruction

Instruction

ManualManual

Manual).

- Calibrate the controller. See section 6.1 Sensor Calibration Procedure (Instruction ManualInstruction Manual

Instruction ManualInstruction Manual

Instruction Manual),

panel S54. This procedure should be done for each analog input that is used in installation.

- Make the program settings

- Connect the 24Vac supply (Close the K1 switch)

- Check if the installation works

- When it works, you can set the PID control. See section 6.2 PID Calibration Procedure

(Instruction ManualInstruction Manual

Instruction ManualInstruction Manual

Instruction Manual).

2.4 TESTING FOLLOWING INST2.4 TESTING FOLLOWING INST

2.4 TESTING FOLLOWING INSTALLAALLA

ALLAALLA

ALLATIONTION

TIONTION

TION

The HI 8001 (2) controller has many facilities that allow the user to configure it according to his/here

purposes. To demonstrate the controller functionality you can run a lot of program setting types,

depending on the imagination. In this section we present below a controller programming sample

that try to highlight the main features.

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