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GTC-520F
Instruction Manual
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It is mA Output Signal Test Mode.
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Press "FUNC" S/W to enter mA Output setting function.
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When "RESET" S/W is pressed, it enters Test Setting Mode.
- By pressing "UP" S/W or "DOWN" S/W, ON/OFF status can be set and when it is ON, mA out
function is available for use. (Default OFF)
- When a desired item is displayed, press "FUNC" S/W to set it and enter the next item.
- When "RESET" S/W is pressed, it enters Test Setting Mode.
- When Aout is OFF, it starts from 0. FND value is changed by "UP" S/W or "DOWN" S/W but mA
is not outputted. (Default 3mA)
- When Aout is ON, FND value outputs from 100 and output current is 20 mA. It can be changed
by "UP" S/W or "DOWN" S/W.
- (FND: 0~100, mA : 4mA~20mA)
- When "FUNC" S/W is pressed, it returns to Test Mode Setting Mode.
- When "RESET" S/W is pressed, it returns to Test Mode Setting Mode.
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Full Range
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It is a mode that sets 485 function.
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When "FUNC" S/W is pressed, it enters 485 setting mode.
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When "RESET" S/W is pressed, it returns to gas concentration display mode.
- It is channel Number Setting Function that sets Serial Number of Control Unit.
- Press "FUNC" S/W to enter Channel number setting function.
- When "RESET" S/W is pressed, it returns to 485 Mode.
- Channel number is a mode that enters serial number of control unit to enable recognition of
operation status of each control unit at other equipment, such as PC, etc. Pressing "UP" S/W
or "DOWN" S/W increase or decreases Address No. Value, respectively. (Default 1)
- When a desired address no. is displayed, press "FUNC" S/W to set it and enter the next item.
- Channel No is set to "1" as factory preset and is only entered when network function is to be used.
When two or more control unit is used, Channel No. shall not overlap.
- Mode that sets Parity Bit, which is a format of 485 communication.
- Press "FUNC" S/W to enter Parity Bit setting function.
- When "RESET" S/W is pressed, it returns to 485 Mode.
- Parity Bit is an additional bit to the original data to inspect error during transmission of data.
Pressing "UP" S/W or "DOWN" S/W increases or decreases Parity Bit value, respectively.
(Default 1)
- 0 : NONE, 1: EVEN, 2 : ODD
- When a desired Parity Bit is displayed, press "FUNC" S/W to set it and enter the next item.
6.5.6. 485 Setting Mode
■ After setting a password, move to "UP" S/W or "DOWN" S/W then press "FUNC" S/W to enter the mode.
■ In 485 mode, when it passes 10 sec. after the last S/W control, it automatically returns to gas concentration display mode.
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6. Operation Method
6. Operation Method
