Detcon 10B User Manual

Page 7

To enter the Program Menu press and hold the front panel switch for 10 seconds until the display reads Pr then release.

Momentarily pressing the switch again after this will scroll through the program options.

The options are as follows:

Program status

Range adjust

Alarm 1 adjust

Alarm 2 adjust

RS-485 ID adjust

Calibration

Test mode

To enter into a function momentarily press the switch until the desired option is shown on the display, then press and

hold the switch for 2 seconds until the display ref lects that function’s value. That function’s value can now be adjusted

by momentarily pressing the switch until the desired value is reached. To accept the new value simply hold down the

switch for 2 seconds until the display returns to the Program Menu. The controller will return to normal operation when

there is no key press after 15 seconds.

For example, the following steps would allow adjustment of alarm 1:

1. During normal operation press and hold the switch for 10 seconds until the display reads Pr.

2. Momentarily press the switch and the display will read rA.

3. Momentarily press the switch and the display will read A1.

4. Press and hold the switch for 2 seconds until the display shows the alarm 1 set-point, i.e. 30.

5. Now momentarily press the switch to change the alarm set-point to the desired value.

6. Press and hold the switch to accept the new value. The display will return to displaying A1.

The controller will return to normal operation when there is no key press after 15 seconds.

2..4

4..2

2 P

Prro

grra

m S

Stta

attu

uss..

The Program status function (Pr) scrolls through and displays the controllers current settings. Upon entering this func-

tion the display will read somewhat as follows depending on the settings.

rA/99

Range is set to 99

A1/20

Alarm 1 is set at 20

A2/40

Alarm 2 is set to 40

Id/01

Modbus ID is set to 01

2..4

4..3

3 R

e A

djju

ussttm

ntt

The range function (rA) allows the adjustment of the full scale reading of the controller. Range is adjustable between 5 and

99 on a two digit controller and between 5 and 999 on a three digit controller. Range is adjustable in 5ppm/% increments.

2..4

4..4

4 A

Alla

arrm

m 1

1 a

d A

Alla

arrm

m 2

2 A

djju

ussttm

ntt

The Alarm adjustment functions (A1 & A2)allow for the adjustment of the alarm trip point levels in 1ppm/% incre-

ments. Alarms are adjustable between 10% and 90% of the Range of the controller. Example: If the range is set to 99,

the alarms can be adjusted between 10 and 90. During adjustment the appropriate LED for that alarm will light.

2..4

4..5

5 M

uss IID

D A

djju

ussttm

ntt

The Modbus ID adjustment function (Id) allows for the setting of the Modbus address for serial communications. The

address is adjustable and displayed in Hexadecimal format between 01 and FF.

2..4

4..6

6 C

alliib

brra

attiio

n M

This function (CA) puts the controller in a mode in which it will behave normally except that it will ignore all alarms and

output a 2mA signal until it is taken out of this mode. When in this mode the fault LED will f lash and the fault relay will

actuate. To return to normal mode enter the program menu by holding for 10 seconds and then select the CA function

again and hold for 2 seconds.

Model 10 Single Channel Digital Control Module PG.7