Specialized manufacturer of Digital Pressure Meters and Load Cells

VALCOM CO.,LTD.

 

Rapid Strain Gauge Panel Meter
VGM4 series

Compact, high-performance and Good performance

high-speed sampling of 4,000 samples per second
(Hold: 20,000 samples per second)

  • Highly functional color graphic LCD screen, full 5-digit display.
  • Warning indication which considered the user viewpoint.
  • 16bit analog output(Voltage: 0–±10V, Current: 4–20mA)
  • Bipolar hold function (+/− two-way Sampling , hold and averaging)
  • Five comparison setting outputs
  • Option: CC-Link
  • Exclusive case CS-701 (Sold separately)

Hold Function Sample

Various holds are possible by a button of the front panel and control I/O signal.

Hold Function Sample

Specifications

Signal input range ±3.2mV/V
Bridge Voltage DC10V, 2.5V±10% (30mA current maximum, remote sense can be used)
Zero adjusting range ±2mV/V
Equivalent input / TEDS Calibration range 0.3–3.2mV/V
Calibration precision Within 0.1% F.S. (when using a 1m standard TEAC φ8,
4-core shielded cable with 350Ω impedance, 10V BV and 0.5mV/V or greater setting)
Precision Nonlinearity Within 0.01% F.S. + 1 digit (when input is 1 mV/V or greater)
Zero drift Within 0.5 µV/°C (input conversion value)
Gain drift Within±0.005%F.S./°C
A/D conversion rate 4000 times/second
D/A output Isolated output, 0±1 to ±10V voltage output in 1V steps or
4 to 20mA current output 4000 times/second
TEDS function IEEE1451.4 class 2 mix mode interface
Display 320 × 240 color liquid crystal
Indicator value Display range −99999–99999
Decimal point Display position selectable
Times displayed Select 4, 6, 10 or 20 times/second
Displayed items Calibration settings Zero calibration/span calibration (TEDS calibration, actual load calibration, equivalent input calibration)
Function settings High limit, low limit, high high limit, low low limit,
comparison mode, hysteresis, nearly zero, moving average,
low pass filter,motion detect, zero tracking, static strain,
digital zero, digital zero offset, zone definition, hold mode,
key lock, minimum grid, display times,bridge voltage, digital zero limit, clear digital zero,
comp. output pattern,comparison output control, select data output, D/A converter, remote sense
Hold functions Sample hold, peak hold, bottom hold, peak to peak hold,
peak and bottom hold, average hold, zone definition hold
(peak, bottom,peak to peak, peak and bottom, average)
Digital filter Select 3 Hz (−6db/oct), 10, 30, 100,
300, 1000 Hz (−12 db/oct) or none
External input and output signals(*1) Input Hold, judge, clear, digital zero, setting memory selection 1,
setting memory selection 2 (isolated from main unit circuits using a photocoupler)
Output HH, HI, OK, LO, LL open collector output (isolated from main unit circuits using a photocoupler)
CC-Link(*3) DA, DB (isolated from main unit circuits using a photocoupler), DG, SLD
RS-485(*4) A+, B− (isolated from main unit circuits using a photocoupler), TRM, FG
Power supply AC adapter power supply specifications DC12V 9W
AC100V±10% 50/60Hz 12W (AC adapter connector)
DC power supply specifications Ratings: DC 12–24 V, 9 W
Operating temperature range 0–40°C
Storage temperature range −20–60°C
Operating humidity range 85% RH or less (without condensation)
External dimensions (W × H × D) Approximately 96 mm × 53 mm × 132 mm (without protrusions)
Weight About 300g
Applicable standards CE marking EN61326 (class A), UL61010-1(*2)
Accessories Instruction Manual, DIN rail attachment adapter
  • *1 Not available when attach a case.
  • *2 When selecting an exclusive case, it's unapplied.
  • *3 Only with CC-Link option
  • *4 Only with RS-485 option

Selection

Example

Selection Cheak Model Specification
1.Model VGM4 High-Speed Strain Gauge Panel Meter
2.Setting Output O 5-point open collector output (NPN, Current sync) 20mA/30V maximum collector current
3.Output Signal A Isolated output, 0±1-±10V voltage output in 1V steps
or 4-20mA current output 4000 times/second
4.CC-Link   N Without CC-Link option
  C Only with CC-Link option
5.Power 14 AC100V±10% (including the AC adapter that is provided with the unit)
or DC 12-24 V

External dimensions(Unit: mm)

External dimensions
Sensor signal input connectors
Terminal number Signal Explanation
1 +SENS/TEDS (F) Remote sense input + /TEDS memory signal
2 − SENS/GND (G) Remote sense input −/TEDS memory signal gland
3 +EXC (A) Applied voltage +
4 −SIG (B) Output signal −
5 −EXC (C) Applied voltage −
6 +SIG (D) Output signal +
7 SHIELD (E) SHIELD
8 NC -
D/A output connectors
Terminal number Signal Explanation
9 V-OUT D/A voltage output
10 I-OUT D/A voltage output
11 COM D/A output common terminal
Control signal input termianl
Terminal number Signal Explanation
12 CLEAR This turns on when a hold is cleared in any hold mode except sample hold.
13 JUDGE Judgment output using judgment output control signals
only functions when this is ON.
14 HOLD Holds function using hold start signals when this is ON.
15 D/Z Sets the indicator value digitally to 0.
16 SEL1 The SEL1 and SEL2 terminals can be used to
select the active Setting Memory.
17 SEL2
18 COM This is the control input signal common terminal.
Comparison output connectors
Terminal number Signal Explanation
19 LL Low low limit judgment output
20 LO low limit judgment output
21 HH High high limit judgment output
22 HI high limit judgment output
23 OK OK judgment output
24 COM Comparison output common terminal
External dimensions
Sensor signal input connectors
Terminal number Signal Explanation
1 +SENS/TEDS (F) Remote sense input +/TEDS memory signal
2 − SENS/GND (G) Remote sense input −/TEDS memory signal gland
3 +EXC (A) Applied voltage +
4 −SIG (B) Output signal −
5 −EXC (C) Applied voltage −
6 +SIG (D) Output signal +
7 SHIELD (E) SHIELD
8 NC -
D/A output connectors
Terminal number Signal Explanation
9 V-OUT D/A voltage output
10 I-OUT D/A voltage output
11 COM D/A output common terminal
Control signal input termianl
Terminal number Signal Explanation
12 CLEAR This turns on when a hold is cleared in any hold mode except sample hold.
13 JUDGE Judgment output using judgment output control signals
only functions when this is ON.
14 HOLD Holds function using hold start signals when this is ON.
15 D/Z Sets the indicator value digitally to 0.
16 SEL1 The SEL1 and SEL2 terminals can be used to
select the active Setting Memory.
17 SEL2
18 COM This is the control input signal common terminal.
Comparison output connectors
Terminal number Signal Explanation
19 LL Low low limit judgment output
20 LO low limit judgment output
21 HH High high limit judgment output
22 HI high limit judgment output
23 OK OK judgment output
24 COM Comparison output common terminal
CC-Link Specifications
Station type Remote device station
CC-Link version 1.10
Station 1 Station, 2 Stations, 4 Stations set
Transmission Speed 156k, 625k, 2.5M, 5M, 10Mbps
Transmission line Bus system (EIA RS-485)
Transmission format HDLC
CC-Link Specifications
Terminal number Signal Wire color
25 DA Blue
26 DB White
27 DG Yellow
28 SLD Connection line(shielded)

DIN rail attachment adapter (Accessories)

DIN rail attachment adapter (Accessories)

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