Digital Panel Meters
 Modular Configuration - Tachometer
Asahi Digital panel meters from Asahi Keiki
offer impressive specifications, reliability
 and low cost for a variety of applications
 
A5000Comparator AM749      Features
  • Modular Panel Meter Systems
  • Choose AC or DC, Voltage or current modules
  • Inputs modules for resistance, RTD, thermocouples, frequency, and strain gages.
  • Output modules -setpoint- analog - RS232 & RS485
  • Universal power supply 90-264VAC or 6-60VDC
  • Single and multiple display boards
A5000 Common Specifications
Specifications
Main Display Red LED 14.2 mm high
Sub Display Green LED 8 mm high
Conversion Rate 12.5 /sec
Maximum Display 9999
Over-range indication 'OL' LED flashes
Zero Display Leading "zero" suppression
Decimal point Set to any position
External Control Start/Hold, Peak Hold, Digital Zero
Operating Temperature 0~ 50° C, 35 - 85% RH
Storage Temperature -10 ~+70° C, < 60% RH
Power Supply AC 100 - 240 Volts (AC Main Unit)
DC 9 - 60 V ) DC main unit )
Power Consumption ~ 4VA (at 100 V)
Dimensions mm 96 x 48 x 147.5
Weight 450 g
Maximum Display  +/- 99999 ( 5 digits )
Decimal point set to any position
Dielectric strength AC Power supply/ input terminal/ output terminal - AC 2000V 1minute
Input terminal /output terminal - DC 500 V 1 minute
Case/power supply/ input terminal/ output terminal - AC 2000 V 1 min.
Dielectric strength DC Power supply/ input terminal/ output terminal - DC 500V 1minute
Input terminal /output terminal - DC 500 V 1 minute
Case/power supply/ input terminal/ output terminal - AC 2000 V 1 min.
Insulation resistance DC 500V more than 100 MOhm at above terminals

INPUT MODULES
Frequency
 

User selectable frequency
 Range Display Maximum
Resolution		 Display
renewal
time		 Accuracy Order on line
11 0 .1 - 200 Hz Prescale:
0.0001 to 5
1 to 100		 0.1 hz 1 - 10 s ±(0.2% of FS) order online
12 1 - 2000 Hz 1 Hz 1 s ±(0.2% of FS)
13 0.01 - 20kHz 10 Hz 100 ms ±(0.2% of FS)
14 0.1 - 200khz 100 Hz 100 ms ±(0.2% of FS)
 
Input Type
 
Input Type
Code 15		 Input Voltage Level input protection
Open Collector L: less than 1V (5V, 2.2KOhms) pullup
30V Base Price
$254
Logic L: less than 1VHI: 2.5 to 15V 15V
Magnet 0.3 to 30V p-p 15V

Input Type
Code 16		 Input Voltage Level Input protection order online
Voltage 50 - 500V rms 500V Base Price
$254

Output Modules
Analog Output (isolated from input (LO))
Any display range to output analog signal can be set
Output Method PWM
Scaling Digital Scaling
Output Resistive load Accuracy
23 degs C +/- 5 degs
0 to 5 V > 10 KOhms +/- 5% full scale
0 to 10 V > 10 KOhms
1 to 5 V > 10 KOhms
4 - 20 mA less than 550 Ohms

Ho Lo Set Point Output Module
Control Method Computation by microcomputer
Measuring range
comparison		 high/Low limit setting including polarity, -9999 to + 9999
Setting condition By sampling period
No setting condition for set value
Comparison Conditions  
Indication > High setpoint HI
High set point >/= indication>/= Lo Set point GO
Indication< Lo set point LO
Comparison Relay
contact capacity		 240 Volts AC 8A resistive load
30 Volts DC 8 A resistive load
Photo-coupler output sink current 20 mA max )less than 30 V.
Output saturation voltage < 1.2 Volts at 20 mA
Hysteresis Settable from 1 to 9999 digits for each comparison set value
      
RS232 output module for A5000 DPM
Communication method Full duplex
Synchronous method Start and Stop
Transmission speed 2400/4800/9600/19200/38400 bps
Start Bit 1 Bit
Data length 7 Bit /8 Bit
Error detection Even /odd parity
Stop Bit 1 / 2 Bits
Character Code ASC II
Transmission control none
 
RS485 output module for A5000 DPM
Communication method Full Duplex
Synchronous method Start and Stop
Transmission speed 2400/4800/9600/19200/38400 bps
Start Bit 1 Bit
Data length 7/8 Bit
Parity Even/odd parity
Error detection BCC (Block Check Character) Check sum
Stop Bit 1/2Bits
Character Code ASC II
Transmission control none
Signal Name Signal Direction
Non-reversible output + Input/output
Reversible output - Input/output
Number of connectable meters Up to 31 units
cable length up to 500 m in total
   
Ordering Information
A5000-x-y-z-AA Construct the part numbers by adding the numbers below. The base prices given above include the input board for the ranges shown as well as a single display and a power supply board. view shopping cart
Affix x select main board power
1=AC 100-240V
2=DC 9-60V		 Add
$0
$15.00		 order online
Affix y Select Display 
1= single display, 
2= multiple display for Hi/Lo set point		 Add
$0
$40
Affix z Select Output Type
0 = None
1 = Hi-lo Set Point
2 = Analog
3 = RS232C
4 = RS485
5 = HI LO + Setpoint + Analog
6 = HI LO + Setpoint + Analog + RS232
7 = HI LO + Setpoint + Analog + RS485		 Add
$0
$71
$71
$71
$71
$141
$163
$163
Affix AA Select Input type
Code 15 = open collector/logic/magnet
Code 16 = voltage		  
 

Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779
e-mail: sales@topac.com

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