Spirax Sarco SX100e Fiche technique

IM-S27-12 CH Issue 1 1

SX100e Controller

Quick Set-up Manual

Installation and Maintenance Instructions

IM-S27-12

CH Issue 1

2230054/1

1. Introduction

2. General

product information

3. Controller modes

4. Selecting, defining,

running and stopping

a program

5. SX100e

Commissioning

instructions

6. ecord of settings

MAN

EV1

EV2

EV3

RUN

HLD

SET

PRG

MODE PROG RUN \ STOP

pow: 50%

SX100e

IM-S27-12 CH Issue 12

1. Introduction

Note: This manual should be read in conjunction with the standard SX100 Operator's

and Site manuals

The SX100e is a development of the SX100 controller with enhanced features, which have

been incorporated to simplify and improve the programming and operation of the controller,

particularly when used with heat exchange packages.

The differences in specification and operation of the SX100e in comparison to the SX100 are

outlined below.

MAN

EV1

EV2

EV3

RUN

HLD

SET

PRG

MODE PROG RUN \ STOP

pow: 50%

SX100e

2. General product information

2.1 Front facsia

1. In the top left of the controller front there are now only three LED's instead of five - these are:

-AT - indicating if auto tune is active

-Thermometer Symbol - showingthatAlarm 2isactive (EasiHeatbypassvalveenergized)

-MAN - indicating if the controller is in manual mode

2. The 'PROF' button has been renamed 'PROG'

3. The 'RUN/HOLD' button has been renamed 'RUN/STOP' as it more accurately describes its

new function.

4. In the top right of the controller front there are now only three LED's instead of four - these

are:

EV1 -Pump output

EV2 -Alarm 1 active - EasiHeat volt-free contact for remote high temperature alarm indication

EV3 -Loop Alarm active

Fig. 1

Message display

Lower display Upper display

Event LED's

Run LED

Hold LED

Ramp up LED

Ramp down LED

Segment

number

Program

number

Down

button Up

button

Scroll

button

Auto tune LED

Alarm 2 active

(EasiHeat bypass valve)

Manual LED

IM-S27-12 CH Issue 1 3

2.2 Functional changes

1. The creation of two security levels (note that to enter from Base Mode it is necessary on

the SX100e to press the PROG and UP buttons together before entering the appropriate

security code):

Level 1 security code (Factory set to 10 and not changeable)

Allows access to:

-Operator Edit mode

This is best used for day - to - day changes to program run times etc. Only the basic

temperature selection and running times are available in this mode, which simplifies any

alterations, reducing the possibility of mistakes being made.

Level 2 security code (Factory set to 100 and not changeable)

Allows access to:

-Operator Edit Mode

-Controller Define Mode

-Program Define Mode

This is for engineers and more experienced personnel who have sufficient expertise to

alter the major settings within the controller such as PID and hardware options etc.

2. Real time clock now works in actual time, not elapsed time from the start of a program.

3. Digital Input Board now fitted as standard

4. LinearOutputBoardnowfittedasstandard(tooutput3). Note-thisreplacestherelayoutput

on the SX100.

It is vital when substituting an SX100e for an SX100 - that any power supply

connection to terminals 10, 11, or 12 are removed first - otherwise the controller

will be severely damaged. (Output 2 on the SX100e can be used instead of Output

3 on the SX100).

5. Outputpowerisnowcontinuallyshownonthe controller display, expressed as a percentage

(unless the controller is in one of the programming modes)

6. The 'Control setpoint' on the SX100 has now been renamed 'Fallback' temperature for the

SX100e. This is now only available for configuration in CONTROLLER DEFINE mode.

This is the temperature the controller will attempt to maintain should the process value fall

below this level, even if a program is not running. This should normally be set to zero or no

more than 5 deg C, otherwise it may override a running program, or allow the control valve

to open at times when the heating should not be active.

7. 'Final Setpoint' is now renamed 'Target Set Point'

8. There are now three effective external options for the controller. Refer to Table 1 page 4.

IM-S27-12 CH Issue 14

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Table 1 Hardware configuration - external options

9. The SX100e has only two heating programs offered when running in each of the stand alone

modes:

-PROG 1 - TIMED

-PROG 2 - CONTINUOUS

10. Each program now has only three segments. These are:

-SEGMENT 1 RAMP UP

-SEGMENT 2 DWELL (MAINTAINS TEMPERATURE AT TARGET SET POINT)

-SEGMENT 3 RAMP DOWN (TO FINAL SET POINT)

11. InBMSmode-onlyprograms2to8areavailable. Thesecanbeconfiguredfortemperatures

and ramp times, but heating start and heating finish control is from the external building

management system.

12. Ifpowertothecontroller is switched off and thensubsequentlyturnedbackon, any program

which is set to run at that time will re-start automatically and ramp up to the target set

point.

13. If External option is set to 'BOTH' a feedback to the run input on the controller can be used

to terminate a program should, for instance the circulating water pump fail. When the

feedback signal is re-established the program will then ramp back up to the target set point.

14. When changing from one program to another in stand alone or in BMS mode, the set point

temperature will ramp up or down as appropriate to the new value. It is not now necessary

to stop running the current program before changing to the next.

Note: there may be a delay of up to a minute before the program starts automatically

IM-S27-12 CH Issue 1 5

15. If changes have been made to parameters in either of the CONFIGURATION MODES,

then when returning to BASE MODE, four LED dots may appear on the upper display

beneath the main digits.

This indicates that the configuration changes have now invalidated any previously set up

parameters in Program Define mode.

No programs will be able to run until changes have been made in Program Define or

Operator Edit modes.

The 4 LED dots will then disappear showing that the operator has recognized this

condition and taken the appropriate action.

3. Controller modes

The programmer has four operating modes (plus normal configuration mode and hardware

configuration mode):

Base Mode Display status - RUN, SET, PRG indicators Off.

(No security level) No program is running in this mode

Operator Edit Mode Display status - 'Op.Edit' message

(Security level 1 or 2)

Program Run Mode Display status - RUN, EV1 indicators on

(Security level 2) Selected Program running

Program Define Mode Display status - 'Def.Prog' message

(Security level 2) Used to view and edit programs

Controller Define Mode Display status - 'Def.Ctrl' message

(Security level 2) Used to define the controller characteristics

Configuration Mode Display status - 'Conf' message

(Config. security code)

Additional information and details of factory settings when used for the EasiHeat application are

detailed in the following sections

IM-S27-12 CH Issue 16

4. Selecting, defining, running

and stopping a program

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4.1 Selecting a program

In order to change the selection of a program when the SX100e is operating as a stand-alone

controller, it is necessary to enter 'OPERATOR EDIT' mode.

If it is necessary only to change the program selected, refer to Table 2 below.

Table 2 SX100e Operator edit mode

4.2 Defining a program

Follow the instructions on Table 3 below to select a new program, and/or to change the

parameters of the required programs as indicated.

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Table 3 SX100e Operator edit mode

4.3 Running a program

Program 1 (timed) - if the controller is set to run on the current day and time, the program

will start automatically once the controller has been switched on

(there may be a delay of up to a minute for this to happen after initial

power up)

Program 2 (constant) - having selected program 2, it is necessary to press the RUN/STOP

button once.

IM-S27-12 CH Issue 18

4.4 Overriding a program

Inprogram1(timed)orprogram2(constant) the program can be started or stopped by using the

RUN/STOP button.

Program 1 - (Timed)

Stopping Program 1:

-Ifprogram1isrunning,itcanbestoppedbypushingtheRUN/STOPbuttonforapproximately

5 seconds.

-Thesegmentno.willthenchangeto'3'andthetargettemperaturewill beseentorampdown,

before finally terminating.

-The RUN LED will then go off.

-The program will then restart at the next scheduled start time.

Starting Program 1:

-If program 1 is not running, it can be started by pushing the RUN/STOP button briefly.

-Segment no. 1 will then be indicated on the display.

-The RUN LED will then illuminate and desired temperature will be seen to ramp up towards

the target temperature.

-When target temperature is reached , the segment no. will change from 1 to 2.

-The program will then stop at the next scheduled stop time.

Program 2 - (Constant)

Stopping Program 2 :

-Ifprogram2isrunning, itcanbe stoppedbypushingtheRUN/STOP buttonforapproximately

5 seconds.

-Thesegmentno.willthenchangeto‘3’andthetargettemperaturewill beseentorampdown,

before finally terminating.

-The RUN LED will then go off.

-The program will NOT restart until the RUN/STOP button is pressed again.

Starting Program 2:

-If program 2 is not running, it can be started by pushing the RUN/STOP button briefly.

-Segment no. 1 will then be indicated on the display.

-The RUN LED will then illuminate and desired temperature will be seen to ramp up towards

the target temperature.

-When target temperature is reached , the segment no. will change from 1 to 2.

-The program will then continue running.

IM-S27-12 CH Issue 1 9

5. SX100e Commissioning

instructions

Go to 'normal' configuration mode

(ref. section 5.1)

then before making changes in this mode, go to

hardware configuration mode

Go to program define mode

(ref. section 5.5)

make changes to parameters as required

If 4 dots appear on the upper display -

this indicates that changes to configuration above

have invalidated any program define settings

previously made.

if so, check all program define parameters below

and adjust as necessary

Go to controller define mode

(ref. section 5.4)

make changes to parameters as required

Return to 'normal configuration mode

(ref. section 5.3)

make changes to parameters as required

Hardware configuration mode

(ref. section 5.2)

make changes to parameters as required

Go to base mode

Controller is now ready for use

Fig. 2 Initial commissioning sequence

Follow the steps below (5.1 to 5.5) to ensure that controller is configured correctly. (Each table

describes how to enter and exit from the appropriate mode)

5.1 Normal configuration

-Table 4 - 'Normal' configuration mode parameters.

(N.B. - If changes are to be made to hardware configuration, do these first. otherwise the

expected options may not be displayed – ref. 5.2 below)

IM-S27-12 CH Issue 110

5.2 Hardware configuration:

-Table 6 - hardware configuration parameters.

Reference:

-Diagram 3 - sx100e hardware definition code.

-Diagram 4 - sx100e external options.

-Diagram 5 - digital inputs.

5.3 Return to normal configuration:

-Table 4 - 'normal' configuration mode parameters

Reference:

-Table 5 - primary input ranges.

5.4 Controller define:

-Table 8 - controller define parameters.

5.5 Program define:

-Table 9 - program define parameters.

Table des matières

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