Related Manuals for Nagano Keiki GC31
Summary of Contents for Nagano Keiki GC31
- Page 1 TY-GC31-004A GC31 Digital Pressure Gauge Instruction Manual NAGANO KEIKI CO., LTD. Oct., 2023 Rev.B...
- Page 2 TY-GC31-004A 1/24 For proper and safe operation GC31 Digital Pressure Gauge is a compact digital pressure gauge which complies with the EMC directive. In order to safely and properly utilize this device, please read this instruction manual carefully. Incorrect operation may cause malfunction, damage, or an accident.
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Page 3: Table Of Contents
TY-GC31-004A 2/24 Please note that NAGANO KEIKI does not take responsibility for damage or physical injury caused by the followings: Repairs or alterations by other companies. Damage caused by any product of other companies. Alterations, repairs or maintenance using non-authorized repair parts. -
Page 4: Specifications
TY-GC31-004A 3/24 1. Specifications Pressure range -100 ～ 100 kPa (100) (Max. pressure -100 ～ 500 kPa (500) display digit) 0 ～ 1.0 MPa -0.1 ～ 1.0 MPa (1.000) 0 ～ 2.0 MPa -0.1 ～ 2.0 MPa (2.00) 0 ～ 3.5 MPa (3.50) - Page 5 Applicable directive 89/336/EEC Applicable standards EN61326:1997/A1:1998/A2:2001/A3:2003 *1 Factory default *2 For horizontal mounting only (GC31-3□4). Vertical mounting (GC31-1□4) is not available. *3 Please connect this unit to indoor distribution network which is free from any overvoltage such as thunder, etc.
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Page 6: Outline Drawing
TY-GC31-004A 5/24 2.Outline drawing Vertical mounting [GC31-124] [GC31-164] [GC31-174] Rev.B... - Page 7 TY-GC31-004A 6/24 Horizontal mounting [GC31-324] [GC31-364] [GC31-374] Rev.B...
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Page 8: Bracket/Panel Adaptor(Option)
TY-GC31-004A 7/24 3.Brachket / Panel adaptor (Option) L-shaped bracket Key-shaped bracket Panel adaptor (For horizontal mounting only) Rev.B... -
Page 9: Mounting
TY-GC31-004A 8/24 4. Mounting For mounting, select a location where there is no vibration or direct sunlight. Avoid moisture, particles, oil and water, etc. ● Piping When mounting R1/8 and R1/4 screw parts, hang a spanner (Width of 2 sides :17 mm) on metallic hex part so that no excessive force is applied to main body (resin). - Page 10 TY-GC31-004A 9/24 Panel adaptor (Option for horizontal mounting only) ● Insert the adaptor 2 from the front side of main body in the direction shown below. Insert the adaptor 1 from the obverse side of the panel cutout and insert the main body form the reverse side of panel cutout.
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Page 11: Connection
TY-GC31-004A 10/24 5. Connection Wiring The cabling wire colors are as shown below. Power on after checking connection. After turned on, to make sure that the system is stable enough, wait at least 5 minutes before performing the zero point adjustment or measurement. - Page 12 TY-GC31-004A 11/24 b. Example of NPN open collector usage 1(Wiring to relay) c. Example of NPN open collector usage 2 (Wiring to photo coupler) d. Example of NPN open collector usage 3 (Voltage output) Rev.B...
- Page 13 TY-GC31-004A 12/24 e. Example of PNP open collector usage 1(Wiring to relay) f. Example of PNP open collector usage 2 (Wiring to photo coupler) g. Example of PNP open collector usage 3 （Voltage output） Rev.B...
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Page 14: Noise Prevention
TY-GC31-004A 13/24 6. Noise prevention Power line If noise remains in the power line, it may cause malfunctions such as fluctuation of display. Take care not to tangle the AD/DC power line. Also, use a stable power source that has high noise rejection ratio and will not cause ripple voltage. -
Page 15: How To Move To Each Mode
TY-GC31-004A 14/24 9. How to move to each mode Each mode and its function Pressing the key for 3 seconds displays “---”. To return to measurement mode from MODE each setting mode, hold down the key for 3 seconds or more then “---” will flash. - Page 16 TY-GC31-004A 15/24 10. Function setting mode Setup steps Pressing the key for 3 seconds displays “---” and changes to function setting mode. MODE The setting mode is used to select comparator operation, pressure unit, indication scaling, scaling of analog output, and filter time constant.
- Page 17 TY-GC31-004A 16/24 Comparator operation selection MODE Select “Comparator Operation Selection” with the key. The message displayed for 1 sec. and then the current setting is displayed. Select either hysteresis or window comparator operation mode with the ▲ ▼ keys. Note that this device has 2 points for comparator output.
- Page 18 TY-GC31-004A 17/24 Filter selection This device is equipped with 5 internal time constant filters. Select “Filter Selection” with the key. The message is displayed for 1 sec. MODE and then the current setting mode is displayed. Select a time constant filter with the ▲...
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Page 19: Comparator Setting Mode / Loop Check Mode
TY-GC31-004A 18/24 11. Comparator setting mode / Loop check mode Setup steps In measurement mode press the key (release within 3 secs.) to change to Comparator MODE setting mode / Loop check mode. Comparator setting mode sets comparator output. This device is equipped with 2 points of comparator output. - Page 20 TY-GC31-004A 19/24 Rev.B...
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Page 21: Comparator Operation
TY-GC31-004A 20/24 ● Comparator setting point A (Output 1/2) key to display [Comparator setting point A]. After MODE ▲ ▼ displayed for 1 second, current setting value is displayed. Use key to set comparator setting point (A). ● Comparator setting point b (Output 1/2) key to display [Comparator setting point b]. - Page 22 TY-GC31-004A 21/24 Setting the lower limit This is the mode in which the comparator operates with the setting value (A) as the lower limit. The lower limit setting is determined when you select a negative number for setting value (b).
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Page 23: Other Functions
TY-GC31-004A 22/24 13. Other functions Basic key operations ▲ ▼ ▲ In all setting modes, values are set with the keys. Use key to increase and ▼ ▲ ▼ to decrease the value. A repeat state occurs in three phases of speed when the keys ▲... - Page 24 TY-GC31-004A 23/24 Error display An error message and pressure value are alternately displayed when one of the following errors occurs in the measurement mode (In case of "Out of pressure display range" error, only error message is displayed). Check the content of error message and take the action below immediately.
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Page 25: Troubleshooting
The contents of this instruction manual are subject to change without notice due to revisions or other reasons. For more information or inquiries, please contact the closest sales office or call our number shown below. NAGANO KEIKI CO., LTD. Call Center for Products TEL +81-3-3776-5328 URL: http://www.naganokeiki.co.jp/...