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Electronic Preset CountersG48-N Series

  • 6 digits
  • LCD
  • Add/Subtract
  • External power supply
  • 48×48mm
  • With output
FeaturesEasy to edit/program (Individual digit keys)
Backlight LCD Preset Counter
Multi-functions: prescaling; key locking; setting decimal-point position; programing initial value at resetting
Prescaling consists of both multiplying and dividing


ModelsDigitsPresetPower sourceInputOutputBody lengthRemarks
G48-305N61 Level presetAC100 – 240VContact / Open collector
/ Voltage input
Relay output (1a)100mm 
G48-305CNRelay output (1c)
G48-305TNNPN Open Collector outputProduction
on order
G48-306NDC12 – 24VRelay output (1a)64mm 
G48-306CNRelay output (1c)
G48-315N2 level preset /
1 level preset + prewarn
AC100 – 240VRelay output (1a)100mm
G48-315TNNPN Open Collector outputProduction
on order


ModelsG48-305N / G48-305CN / G48-305TNG48-315N / G48-315TNG48-306N / G48-306CN
DisplayLCD display with backlight ; Digit Size : 10mm x 5mm
No. of Digits6
No.of Digits Setting key6
Preset Level1 Level2 Levels / 1 level preset + prewarn (selectable)1 Level
Setting Range-99999 – +999999
Prewarn Feature0 – 999999
Input ModeContact / Open collector Voltage input (Selectable)
Input SignalOpen Collector (Sink current 10mA,DC power model: power supply volt / 1.2KΩ) L : 0 – 4V
Voltage (Input impedance 7KΩ) L : 0 – 4V H: 6 – 30V (Available to use 2-wire DC sensor)
Maximum Count speed30Hz, 1kHz, 5kHz (selectable)
Count ModeAdd, Subtract, Add/Subtract (Add/Subtract individual input, Add/Subtract direction, 90° quadrature input)
Count Range-99999 – +999999
Input InhibitionIncoming pulses can be inhibited by Input B only with Add mode and Subtract mode.
PrescaleMultiplying : 0.001 – 99.999 /
Dividing : 1 – 999 (0 setting is not available / Multiplier and divider combinable)
Decimal Point Position0.0, 0.00, 0.000, or No decimal point
Write-99999 – +999999
ResetFront panel reset, Remote reset, Auto-reset
Remote Reset Time2msec or 20msec (selectable)
Reset ModeAny Operation Mode(A,B,C,D,E,F or G) can be selected for Standard Output mode. For other modes, only Mode A is available.
MemoryE²PROM (10 years, Overwrites : 100,000 times)

G48-305N Relay output (1a) :

G48-315N load of AC250V 5A / DC30V 5A MAX.

G48-305CN Relay output (1c) :
G48-306CN load of AC250V 5A / DC30V 5A MAX.

G48-305TN Non-contact output NPN Open-collector :
G48-315TN DC45V / 100mA MAX.

Output Delay

G48-305N / G48-305CN
G48-306N / G48-306CN / G48-315N : 30Hz : 13ms MAX. ; 1kHz, 5kHz : 10ms MAX.

G48-305TN / G48-315TN : 30Hz : 6ms MAX. ; 1kHz, 5kHz : 3ms MAX.

Type of Output1 Level Preset : Standard, Equal, Lower Limit, Upper Limit
2 Level Preset : Standard, Equal, Upper-Lower Limit, Upper-Upper Limit
1 Level Preset + Prewarn : Standard, Equal
Output Timeoutput : One shot (10 – 9990ms / 10ms step) or HOLD (or HOLD 1 or HOLD 2 in G48-315N model and G48-315TN model) (selectable)
For other output modes : HOLD while the count value meets the conditions
Key LockKey operation can be disabled at 4 protection levels (L1, L2, L3, L4) by selecting in Program Mode and shorting key lock terminals.
Error DisplayIn Add/Subtract individual input, Add/Subtract direction,90° quadrature mode, error message will be displayed on the LCD if the count range is exceeded (overflow error : underflow error :)
Power SupplyAC100 – 240V
-15%, +10%
DC12 – 24V
-15%, +10%
Sensor Power SourceDC12V 100mA
Power ConsumptionApprox. 7VA for AC240VApprox. 1.2W for DC24V
Ambient Temp. : Operating-10 – +50°C (non-freezing)
Ambient Humid. : Operating45 – 85%RH (non-condensing)
Front PanelIP54 (panel surface)
WeightApprox. 170gApprox. 110g
ComplianceCE, RoHS, UL

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