AM 215A Digital Comparator - Voltage/Current Meter

Features

Compact DIN size
Two-stage alarm setting
RoHS compatible product
Dimensions: 48 (w) x 24 (H) x 87.8 (D) mm
Display: Full 4-digit LED (red) 8 mm
Input: DC voltage/current
Measurement/input/scaling range: ±99.99 mV, ±999.9 mV,
±9.999 V, 1 to 5 V, 4 to 20 mA
Sampling speed/response speed: Max. 25 counts/second
Power supply: 24 VDC
Output: Relays, Optional Analog, RS485

Model	Range	Display adjustable	Input Impedance	Maximum Allowed Input	Accuracy
AM 215A-11	± 99.99 mV	offset ± 9999 Full scale 0 to ± 9999	100 MOhm or more	±50V	±(0.03% of reading +2 digits) At 23°C ±5°C
AM 215A-12	±999.9 mV		100 MOhm or more
AM 215A-13	±9.999 V		~ 1 MOhm
AM 215A-1V	1 - 5V		~ 1 MOhm

Model	Range	Display adjustable	Input Impedance	Maximum Allowed Input	Accuracy
AM 215A-2A	4-20 mA	offset ± 9999 Full scale 0 to ± 9999	~ 50 Ohm	±50mA	±(0.1% of reading +2 digits) At 23°C ±5°C

Measurement function	Select either DC voltage or DC current (single range)
Input circuit	Single ended<
Operation type	Double integral
Sampling speed	Maximum per second at 50 Hz, or 15 per second at 60 Hz
Display	Red 7-segment LED display (character height: approximately 8 mm)
Polarity display	A minus sign is displayed if the operation result is negative.
Out-of-range warning	"oL" or "-oL" is displayed with respect to the input signal when the value is outside the display range.
Maximum display	±9999 (full 4 digits)
Decimal point	Can be set at any position using the front-panel flat switches
Zero display	Leading zero suppress
Backup	Settings are held in EEPROM (guaranteed for 100,000 writes)
Operating temperature and humidity ranges	0 to 50°C, 35 to 85% RH (no condensation)
Storage temperature and humidity ranges	-20 to 70°C, 60% or lower RH (no condensation)
Supply voltage	DC 24 V ±20%
Consumed power	Approximately 4 W
Relay Output ratings	DC24V 1A
Photocoupler Output	Max 30V, 50mA - output saturation 1.2V max at 50 mA
External dimensions	48 x 24 x 87.8mm
Weight	100 g
Withstand voltage	DC 500 V for one minute across power terminals/input terminals and each output terminal DC 500 V for one minute across input terminals/each output terminal AC 1500 V for one minute across case/power terminals, input terminals, and each output terminal
Insulating resistance	100 M ohm or higher with DC 500 V across the terminals listed above

Setting Condition	HI GO LO	HI Limit > LO Limit
	HH HI GO	HH Limit > HI Limit
	GO LO LL	LO Limit > LL Limit
Hysteresis	All limit values can be set from 1 to 999

HI/GO/LO Mode			Output
Comparator conditions	AL1	AL2	Out1	Out2	Out3
Measurement value > HI limit value	off	on	off	off	on
LO limit value ≤ Measurement value ≤ HI limit value	off	off	off	on	off
LO limit value > Measurement value	off	off	on	off	off

HH/HI/GO Mode			Output
Comparator conditions	AL1	AL2	Out1	Out2	Out3
Measurement value > HH limit value	on	on	off	on	on
Measurement value > HI limit value	on	off	off	on	off
HI limit value ≥ Measurement value	off	off	on	off	off

GO/LO/LL Mode			Output
Comparator conditions	AL1	AL2	Out1	Out2	Out3
Measurement value ≥ LO limit value	off	off	off	off	on
LO limit value > Measurement value	off	on	off	on	off
LL limit value > Measurement value	on	on	on	on	off

Output function	Set to 50 Hz or 60 Hz, depending on the power supply frequency being used.
Output specifications	Mode	Load Resistance	Accuracy	Ripple
	4-20 mA	0-250 ohm	±(0.5% of full scale)	25 mVp-p max
	0-10 V	10 k ohm min	±(0.5% of full scale)	50 mVp-p max.

Synchronization method	Start-stop synchronization
Communication method	2-wire half-duplex (polling selecting)
Transfer rates	19200, 9600, 4800, 2400 bps
Start bit	1 bit
Data length	7 bits
Error check	Even parity, block check character (BCC) checksum
Stop bits	2 bits
Character code	ASCII code
Delimiter	CR + LF
Transmission control protocol	None
Used signal name	Non-inverted (+), inverted (-)
Maximum connected units	Maximum 31 meters
Maximum line length	500 meters (total)

AM-215A- powered by 24V DC select range 11,12,13,1V 2A above Select comparator output -1 relay -2 Photocoupler	$258
AM-215A- with Analog or RS-485 output Select optional outputs -1 none -4 RS 485 -6 4-20 mA -7 0-10 V	$273