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General| Brand | GASTRON |
|---|---|
| Model | GTC-520A |
| Category | Measuring Instruments |
| Language | English |
Lists measuring value display, range, alarm indicators, output signals, approvals, interface, option, and warranty details.
Details dimensions, weight, mounting type, and body material of the unit.
Details input/output voltage, current, relay contact, wiring, and EMC protection.
Lists operation and storage temperatures, humidity, and pressure range.
Explains how to connect the AC power supply to the terminal box and power input.
Details the terminal configuration for 4-20mA output, external reset, and RS485 using CN6.
Describes the configuration of 3 Alarm relays and 1 Trouble relay using CN5 terminal.
Illustrates how to connect a 3-wire gas detector using a 4-20mA output.
Explains how to connect a 2-wire gas detector with a 2-wire output.
Details the initial power-on checks, including wire connections and power LED status.
Explains the display during normal gas measurement, including Undr and oUEr states.
Describes how to enter Test Mode and use it for checking functions without gas injection.
Explains how to enter Checkup (Stand-by) Mode for self-diagnosis and status checking.
A comprehensive table outlining various setting parameters, levels, and default values.
Details how to set parameters like decimal point, high scale, SAD value, and password.
Covers designation of Alarm1, Alarm2, Alarm3 values and related settings.
Mode for setting the operation direction of Alarm1, using 1H or 1L modes based on gas value comparison.
Function to change the setting value for Alarm 1, adjustable up to the High Scale value.
Mode for setting the operation direction of Alarm1 (larger than or equal to setting value).
Mode for setting the operation direction of Alarm1 (smaller than or equal to setting value).
Mode for setting the Dead band value for Alarm 1 operation.
Mode for setting the Dead band value for Alarm 1 operation.
Function for setting of Alarm 1 contact output.
Mode for change of Alarm 1 contact output, with ON/OFF options affecting operation.
Setting function for Alarm1 blink output, with ON/OFF options.
Message indicating completion of setting function before returning to gas concentration display.
Covers optional functions, typically factory-set.
Mode for setting of optional functions, typically factory-set and used with caution.
Mode for display of FND and setting of outputted value in checkup mode.
Item for setting use status for marking function of Undr in FND for values less than 0.
ON/OFF state for the Under function, controlling its usage.
For display of measured value, showing unprocessed data from -XXXX to +YYYY.
ON/OFF state for the En9 function, used in test mode.
Item for setting of Zero Skip, adjusting the value for high scale range.
Setting is possible within the range of 0-20% using UP/DOWN SW for Zero Skip.
Item for setting of Span Skip, adjusting the value for high scale range.
Item for setting of Emergency Time Out, determining status of time setting upon checkup mode.
ON/OFF state for Eto function, controlling checkup mode time duration.
Message informing completion of setting function before returning to gas concentration display.
Covers various test modes for functions like detector testing, relays, and mA output.
Describes the test mode function, allowing arbitrary concentration setting for alarm testing.
Mode for ON/OFF setting of Trouble Relay Test operation.
ON/OFF state for Trouble Relay Test, enabling or disabling the function.
Mode for ON/OFF setting of Alarm Relay Test operation.
ON/OFF state for Alarm Relay Test, enabling or disabling the function.
Test Mode for mA Output Signal, enabling testing of mA output.
ON/OFF state for mA Output function, controlling its usage.
Testing Mode for output current after calibration is finished.
Covers setting for RS485 communication, including channel number and parity bit.
Mode for setting of 485 function, enabling communication setup.
Setting function for Channel Number to identify Control Unit in communication.
Channel Number setting mode, allowing unique identification of Control Units.
Channel Number setting mode, allowing unique identification of Control Units.
Mode for setting of Parity Bit for 485 communication.
Setting for Parity Bit, with options for NONE, EVEN, ODD.
Setting for Parity Bit, with options for NONE, EVEN, ODD.
Covers maintenance functions like input/output value reference and current setting.
Mode for selection of outputting current input value as reference for Channel Unit.
Mode for selection of outputting output value as reference for Channel Unit.
Setting mode by inputting of mA current when 'In' has been selected.
Setting mode by inputting of mA current when 'In' has been selected.
Indicates success when inputting normal current value during maintenance.
Indicates calibration failure when inputting abnormal current value.
Setting mode by inputting of 20mA current.
Indicates success when inputting normal current value during maintenance.
Indicates calibration failure when inputting abnormal current value.
Next mode for input current when 'out' has been selected, for setting of 4mA output current.
Next mode for input current when 'out' has been selected, for setting of 4mA output current.
Mode for setting of 20mA output current.
Mode for setting of 20mA output current.
Message informing completion of setting function before returning to gas concentration display.
Initializes product data to factory settings.
Mode for initialization of the currently saved data to the existing data upon factory shipment.
Enables Factory Initial function when selected.
Initializes calibration data to product's basic setting value.
Function using FUNC S/W for consecutive S/W pushing, outputting data for initialization.
Function using FUNC S/W for consecutive S/W pushing, outputting data for initialization.
Details interface settings for communication protocols.
Details interface settings for MODBUS RS485 communication.
Specifies data format, baud rate, data bits, stop bit, and parity for RS485.
Provides a map of MODBUS RS485 addresses, bits, and descriptions for measured values and states.
