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Digital Panel Meters with BCD, RS232 & Analog outputs

Configurations for AC & DC Voltage, Current, Resistance
Temperature, tachometer, Strain Gauge

Digital panel meters from Asahi Keiki
offer impressive specifications, reliability
and low cost for a variety of applications


A7000PDF FILE	Features large 20mm LEDs Medium DIN size Two-stage alarm setting Comparison/alarm, BCD, analog, RS-232C, RS-485 100 to 240 VAC, 12 to 48 VDC Changing alarm display color by 2-color LED allows visible warning (when the comparison output function is selected)

The A7000 is a modular panel meter system with a selection of input and output cards to suit your application. Choose from 18 different input modules for AC, DC, Voltage and current, temperature, frequency, and strain gage inputs. Select from a range of different output options, none, Hi/Lo set point, analog, RS232, RS485, or a combination. (see order details at the bottom of this page)

A7000 Common Specifications

Specifications
Main Display	Red LED 20 mm high
Sub Display	Green LED 6 mm high
Conversion Rate	1000/sec
Maximum Display	9999
Over-range indication	displays "OVER" or "-OVER"
Zero Display	Leading "zero" suppression
Decimal point	Set to any position
Operating Temperature	0~ 50° C, 35 - 85% RH
Storage Temperature	-10 ~+70° C, < 60% RH
Power Supply	AC 100 - 240 Volts (AC Main Unit) +/-10% DC 12 - 48 V ) DC main unit ) +/-10%
Power Consumption	~ 8VA (max load) 7W at DC
Dimensions mm	72 x 36 x 118
Weight	450 g
Dielectric strength	(AC)Power supply/ input terminal/ output terminal - AC 1500V 1minute (DC)Input terminal /output terminal - DC 500 V 1 minute
Insulation resistance	DC 500V more than 100 MOhm at above terminals

Input Options

*Base prices include input module, and single display. These are ready to use meters powered by AC voltage. To add output options or change the power supply, choose from options below or follow the links to the store configurator*

DC Voltage Measurement

Code 1 DC Voltage	Range	Display adjustable	Input Protection	Accuracy(23ºC ±>5ºC, 35~85% RH)	order online
11	± 99.99 mV	offset ± 9999 Full scale 0 to ± 9999	±50V	±(0.03% of rdg + 1 digit	base price $469
12	±999.9 mV		±50V	±(0.03% of rdg + 1 digit
13	±9.999 V		±250V	±(0.03% of rdg + 1 digit
14	±99.99 V		±250V	±(0.03% of rdg + 1 digit
15	±700 V		±700V	±(0.1 % of rdg + 2 digit)

DC Current Measurement Module

Code 2 DC Current	Range	Display adjustable>	Input Protection	Accuracy(23ºC ±>5ºC, 35~85% RH)
21	±99.99 uA	offset ± 9999 Full scale 0 to ± 9999	±10mA	±(0.1% of rdg + 2 digit)	base price no output $469 (code 02)
22	±999.9 uA		±10ma
23	±9.999 mA		±50mA
24	±99.99 mA		±700mA
Code 3			±3 A
25	±999.9 mA
26	±2.000 A				$469 (code 03)

Process Control Module

Code B Process	Range	Display adjustable	Accuracy
1V	1 - 5V	offset ± 9999 Full scale 0 to ± 9999	±(0.03% of rdg + 2digit)	base price no output $482
2V	5V		±(0.03% of rdg + 2digit)
2A	4-20 mA		±(0.1% of rdg + 3digit)
3A	±20mA		±(0.1% of rdg + 3digit)

AC Voltage and Current True RMS- Modules

Code 4 AC Voltage	Ranges	Display adjustable	Input Protection	Accuracy(23ºC ±>5ºC, 35~85% RH)
11	99.99 mV	offset ± 9999 Full scale 0 to ± 9999	50V	±(0.2% of rdg +20 digit)	base price no output $488
12	999.9 mV		50V	±(0.2% of rdg +20 digit)
13	9.999 V		250 V	±(0.2% of rdg +20 digit)
14	99.99 V		250V	±(0.2% of rdg +20 digit)
15	700.0V		700V	±(0.3% of rdg +20 digit
* Frequency Range: 40Hz to 1kHz Response Time: ~1sec Conversion Rate: 1000/sec

Code 5 AC Current (Low)	Ranges	Display adjustable	Input Protection	Accuracy (23ºC ±>5ºC, 35~85% RH)
21	99.99 uA	offset ± 9999 Full scale 0 to ± 9999	10 mA	±(0.5% of rdg +20 digit)	base price no output $488
22	999.9 uA	offset ± 9999 Full scale 0 to ± 9999	10mA	±(0.5% of rdg +20 digit)
23	9.999 mA	offset ± 9999 Full scale 0 to ± 9999	50 mA	±(0.5% of rdg +20 digit)
24	99.99 mA		500 mA	±(0.5% of rdg +20 digit)

Code 6 AC current (High)	Ranges	Display adjustable	input protection	Accuracy(23ºC ±>5ºC, 35~85% RH)
25	999.9 mA	offset ± 9999 Full scale 0 to ± 9999	3 A	±(0.7% of rdg +20 digit)	base price no output $506
26	5A	offset ± 9999 Full scale 0 to ± 9999	8A	±(0.7% of rdg +20 digit)	base price no output $506

Resistance

Code 7 Resistance	Range	Display adjustable	Circuit Current	Accuracy (23ºC ±>5ºC, 35~85% RH)
11	99.99 Ohms	offset ± 9999 Full scale 0 to ± 9999	~ 5 mA	±(0.1% of rdg + 4digit)	base price no output $460
12	999.9 Ohms		~ 0.5 mA
13	9.999 KOhms		~ 50 uA
14	99.99KOhms		~ 5 uA

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	Ripple
0 to 1 V	> 10 KOhms	+/- 0.5% full scale	50 mV p-p
0 to 10V>	> 10 KOhms
1 to 5 V	> 10 KOhms
4 - 20 mA	less than 550 Ohms		25 mV p-p

BCD Output
Type:	Open collector or TTL
Logic	Changeable
Output Rate	DC30 V 10 mA (open collector) Funout 2 (TTL)

Hi - Lo Set Point with relay 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	HH
High set point >/= indication>/= High Setpoint	HI
High set point >/= Indication>/= Lo setpoint	GO
Low setpoint > Indication >/= Low Low setpoint	LO
Low low setpoint > Indication	LL

Comparison Relay
contact capacity

AC125 V 0.3 A resistive load
DC30 V 1A resisitive load

Photo-coupler capacity

DC30 V 50 mA

Hysteresis

Settable from 1 to 9999 digits for each comparison set value

RS232 output module for A7000 DPM
Communication method	Full duplex
Synchronous method	Start and Stop
Transmission speed	/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 A7000 DPM

Communication method

Full Duplex

Synchronous method

Start and Stop

Transmission speed

/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

A7-X-1-Y-Z	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 100 - 240 VAC power supply board. (You can make this configuration easily in the online store.)
Affix X	Select main board power (How the unit is going to be powered) 1=AC 100-240V (standard AC outlet ) 2=DC 12-48V	Add 1 = $0 2= $25.00
Affix Y You can click on a code to configure and purchase online.	Select Input type from Codes above Code 1 =DC Voltage ± 99.99 mV - 700V Code 2 = DC Current ±99.99uA - 99.99mA Code 3 = DC Current ±999.9mA - 2A Code 4 = AC Voltage RMS 99.99 mV - 700V Code 5 = AC Current RMS 99.99 uA- 99.99mA Code 6 = AC Current RMS 999.9mA - 5A Code 7 = Resistance Meter Code 8 = Thermocouple Code 9 = Tachometer Code A = Strain Code B = Process/Comparator Other Meters( A7000) Code 9 Tachometer Codes 8 Temperature Code A Strain gage	see base prices above
Affix Z	Select Output Type 0 = None 1 =Relay output 2 = Photocoupler output 3 = BCD Output (TTL) 4 = BCD Output (open collector) 5 = BCD Output (TTL), Photocoupler Output 6 = BCD Output (open collector), photocoupler output 7 = Analog Output 8 = Analog Output, Photocoupler output 9 = RS-232C A. RS-485 B. RS-232C, Photocoupler output C. RS-485, photocoupler output	0 =$0 1= $68 2 = $61 3 = $92 4 = $92 5- $110 6 = $110 7= $104 8= $123 9 = $55 A = $74 B = $74 C = $95