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GTD-2000ExW
Instruction Manual
6.1. Initial Operation Status (Power On)
■
After wiring to power terminal at the top of Main PCB board then supply power, the following contents are displayed
on LCD. Approx. 30 m of stabilization of time is needed from the initial supply of operation power and it starts to
operate normally after sufficient stabilization.
GTD-2000
[V X.XX]
- When power turns on, model name and product firmware version are displayed on LCD (OLED).
SELF TEST
[ >>>0179]
- Self test is performed for 3 min '>' symbol in the second row shows the progress.
[ %LEL]
[ 0.0]
- In normal operation mode, it runs as below.
- In the first row, measured gas name and unit are displayed in 1 sec interval. In the second row, the
-
current measurement is displayed.
- In the current screen, touching the magnet-bar on 'Func' key for 2 sec or longer changes to setting
-
mode.
※ During Modbus network, '*' is displayed on the left of the first row.
※ ENG. When the mode is on,'<' is displayed on the left of the second row.
[ COMB.]
[ 0.0]
[ %LEL]
[ 30]
- When Alarm 1 or 2 occurs, it runs as below. (It only runs when ALARM EN setting in Maintenance
-
Mode is ON)
- The first row runs the same as in normal status. In the second row, alarm message and gas
-
measurement are displayed in 1 sec interval.
- When GTL100 explosion-proof warning light is installed, upon an event of alarm1, red LED and buzzer
-
flicker and run in 1 sec interval. Upon an event of alarm2, they continuously run without flickering.
- If alarm latch is on, the alarm continuously run until it is released using the reset key.
[ %LEL]
[ ALARM1 ]
[ %LEL]
[ OVER ]
- When gas measurement larger than 10% of set high scale value,"OVER" displays in 1 sec interval. At
-
this time, 4~20 mA runs as 22 mA.
[ %LEL]
[ UNDER ]
- When gas measurement smaller than -10%, "UNDER" displays in 1 sec interval and 4~20 mA runs
-
below 2 mA.
-
※ The following function only runs when UNDER is on.
[FAULT1]
SEN EMPT
- When trouble occurs in the device, it displays fault number and message.
- At this time, 4~20 mA runs below 2 mA.
- It is a mode that displays when Fault #1 sensor on the left is not equipped.
6.2. Measuring Mode
■ After power on, when there is no error from "SELF TEST", it automatically enters Measuring Mode.
6.3. Operation Flow
■ After power on, it passes self-test then enters Measuring Mode. Here, by operating front keys, you can go to
internal System Mode.
■ Timeout for Level1 and Level2 are 10 sec. It is set to 1 hour for Level2 Calibration and Test Mode.
■ When "RESET" key contacts at Program Mode Screen, it returns to Measuring Mode. When "RESET" key contacts
at each Program Setting Screen, it returns to the parent step.
■ Operation keys for detector system mode are defined as below.
[Figure 11. GTD-2000ExW Mode Configuration]
ITEM
NAME
DESCRIPTION
FUNC
Function key
Detector Mode Setting Entry Function (Insert Magnetic-bar for 2 sec or longer in measuring mode)
Level2 Next stage entering function and setting saving function
RESET
Reset key
Move to the previous stage from the level entered.
↑
Up key
Next level mode that is configured in LEVEL1 and Change in Level2 setting Plus
↓
Down key
Next level mode that is configured in LEVEL1 and Change in Level2 setting Minus
6. Detector Operation Flow
6. Detector Operation Flow
