APM-MAX
M21 and M23
16 million colors
Programmable RGB backlight
for use r aler ts.
2
Alarm set points
Programmable 4 digit
starburst d isplay. Custom
messages & annunciators
PLC
60
Segment cur ved
bar graph display
Programmable scale
Combined digital and
bar graph display
Modbus
RTU/TCP/IP Connectivity
USB por t for custom user set tings
via the f ree ea sy-to -use soft ware
W
A
®
Y
E
E
E
R
H
T
A
R
Y
A
N
T
R
R
2 digital outputs
1 analog output
108mm x 108mm;
only 64mm de ep
and t s in 4”
Selec table to mea sure
voltage, current,
frequency or watts
Full 4 digit readout for
accuracy
Designed for a wide range of power monitoring applications, the APM-MAX combines the instant visual representation
of an analog meter with the speed and accuracy of a digital meter for instant recognition and precision measurement.
The large 81.5mm x 66mm display features a two-line display, programmable scale, alarm set-points and color-
changing, full color RGB backlight for instant alerts.
APM-MAX-M21: for high voltage applications; configurable as an ammeter, volt meter, frequency meter or power monitor (Watts, VA & Power Factor).
APM-MAX-M23: for low voltage applications; configurable as a process meter or to be used in conjunction with a shunt.
®
Both models feature digital and analog outputs and serial MODBUS
with other components in a system, IP65 and NEMA type 4 & 12 ratings, as well as our industry leading three-year warranty.
RTU as standard (ethernet MODBUS® also available) for communication
diameter circular
cutout
Key Features
1.756
44.60
2.541
64.5
4.269
108.4
4.269
108.4
3.210
81.5
2.596
65.9
3.376
85.7
3.376
85.7
Large multi-format display that incorporates:
• 60 segment bar graph display
• Large 4 digit display
• Separate Starburst display area for annunciators, custom messages and alarm
information
• Full color RGB dynamic backlight for user aler ts
Specications
MEASUREMENT M21 M23
Input range (V1) 0- 600V DC/AC 47-63 Hz 0–10V DC
Input range (V2) - 0–5A DC
Current Input range (Direct) 0– 5A DC/AC 45- 65Hz 0– 50mA DC
Current Input range (w/shunt) 0-500mV DC 0-500mV DC
Frequency (AC) 0– 400Hz 0– 400Hz
Power Measurement
Accuracy (DC & Frequency) 0.1%
Acc uracy (AC) 0.5%
Display modes RMS
ENVIRONMENTAL
Temperature - operating -10 to +60°C
Temperature - storage -40 to +70°C
IP rating (from the front) IP65 and Nema 4 &12
POWER S U P P LY
Universal (AC) 100–240 V AC (50-60Hz)
Low Vo lt age (DC) 12-24V AC/DC (50-400Hz AC)^
DI S PLAY
Number of digits 4
Digit height 14.5mm [0.57”]
Digit height of annunciator 6.8mm [0.27”]
Number of message characters 4
Backlight colors Full RGB backlight and White
LCD display Positive or Negative
OUTPUTS
Max voltage 34V
Max current 500mA
Analog output 4-20mA or 0-10V
COMMUNICATION
®
Modbus
CERTIFICATION
^ Units with Low Vol tage p ower supplies are not UL compliant
Watts, VA & Power Factor
RTU and/or TCP/IP
UL and cUL^, CE
-
Programmable:
• Scaling and Range (min and max)
• Custom annunciators
• User selectable backlight color and intensity
• Two independent alarm set-points
• Two independent outputs
• 4-20mA analog monitor output
Visibility:
• The largest display of any APM
• User adjustable RGB backlight provides an almost infinite range of colors for different
requirements or environmental conditions.
• Wide viewing angle (both horizontal and vertical)
• Custom annunciators
Dimensions:
Panel cutout: Square: 68mm x 68 mm [2.7 ” x 2.7”] Circle Di ameter : 96mm [3.8” ]
Part Numbers
Standard Models - Modbus RTU
APM-MAX-M21-PU-4R Positive LCD, volt, amp, freq or power monitor, RTU
APM-MAX-M23-PU-4R Positive LCD, process or shunt meter, RTU
APM-MAX-M21-NU-4R Negative LCD, volt, amp, freq or power monitor, RTU
APM-MAX-M23-NU-4R Negative LCD, process or shunt meter, RTU
Standard Models - Modbus TCP/IP and RTU
APM-MAX-M21-PU-4B Positive LCD, volt, amp, freq or power monitor, TCP/IP and RTU
APM-MAX-M23-PU-4B Positive LCD, process or shunt meter, TCP/IP and RTU
APM-MAX-M21-NU-4B Negative LCD, volt, amp, freq or power monitor, TCP/IP and RTU
APM-MAX-M23-NU-4B Negative LCD, process or shunt meter, TCP/IP and RTU
Options
DESCRIPTOR DEFINITION OPTIONS
-?X-XX LC D Ty pe P - Positive
-X?-XX PS U Typ e U – Universal 100 –240V AC 45 -65 Hz
-XX-?X Analog Output 4 – 4 to 20mA / 0 – 2 0mA switchable
-XX-X? Communications R – Modbus
N - Negative LCD also available*
L – Low Voltage 12-24V DC / AC 45-65 Hz also available*
1 - 0 to 10V DC also available*
B – Modbus® TCP/IP and M odbus® RTU
®
RTU
*MOQ dependant
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