Description
M91-2-UN2
Multi-function programmable HMI panel with integrated I/Os + keypad (15 keys) – Unitronics (M91 series) – 36kB (virtual) – 28I/Os [12DI (10 x digital inputs (12-24Vdc; Sink/Source) + 2 x digital inputs (12-24Vdc; Sink/Source; high-speed counter HSC 10kHz; 32-bit counting)) + 12DO (10 x digital outputs (28.8Vdc / 12-24Vdc nom; Source/PNP; 3A max.) + 2 x digital outputs (28.8Vdc / 12-24Vdc nom; Source/PNP; 3A max.; high-speed output 2kHz PWM)) + 4AI (2 x analog inputs (0-10Vdc / 0-20mA / 4-20mA; 14-bit conversion) + 2 x analog inputs (RTD types Pt100 / Thermocouple types B; E; J; K; N; R; S; T; 14-bit))] – 2-lines; 16 characters STN LCD monochrome display with L.E.D. yellow-green backlight – Landscape flush mounting – Supply voltage 10.2Vdc-28.8Vdc (12Vdc / 24Vdc nom.) – Modbus + RS-232 + RS-485 communication capability – with 2 x RJ11 connectors – DIN rail mounting – IP65 / NEMA 4X – Rated for 0…+50°C ambient
Primary brand
Unitronics
Main function
HMI / Display unit
Product series / family name
M91 series
Functions
Multi-function programmable HMI panel
Auto-tune PID 4 independent loops
Date / time based control
SMS
Remote access utilities
User defined ASCII strings
Multi-language display
80 user-designed screens
Scroll between pre-programmed menus
Memory and communication monitoring via HMI
Design
integrated I/Os
keypad (15 keys)
Supply voltage (DC)
10.2Vdc-28.8Vdc (12Vdc / 24Vdc nom.)
Display
2-lines; 16 characters STN LCD monochrome display with L.E.D. yellow-green backlight
Memory capacity
36kB (virtual)
256 coils
256 registers
64 timers
Connection capacity
Expansion up to 64 I.O.s
Connection type
2 x RJ11 connectors
Communication protocol
Modbus
RS-232
RS-485
Mounting mode
Landscape flush mounting
DIN rail mounting
Digital inputs
10 x digital inputs (12-24Vdc; Sink/Source)
2 x digital inputs (12-24Vdc; Sink/Source; high-speed counter HSC 10kHz; 32-bit counting)
Digital outputs
10 x digital outputs (28.8Vdc / 12-24Vdc nom; Source/PNP; 3A max.)
2 x digital outputs (28.8Vdc / 12-24Vdc nom; Source/PNP; 3A max.; high-speed output 2kHz PWM)
Analog inputs
2 x analog inputs (0-10Vdc / 0-20mA / 4-20mA; 14-bit conversion)
2 x analog inputs (RTD types Pt100 / Thermocouple types B; E; J; K; N; R; S; T; 14-bit)
Degree of protection
IP65
NEMA 4X
Ambient air temperature for operation
0…+50 °C
Processing time
12μs (bit operation) – 0.012 ms
Application type
Hazardous Class I
Order code / Manufacturer SKU
M91-2-UN2
Compliant with standard(s)
UL
CE
EAC
GOST
Benefits
Affordable; reliable; cost-effective all-in-one PLC controller used on simple machines and projects
Smart relay full-function PLC with textual HMI and keyboard
Up to 40 onboard I/Os
Including complimentary software and technical support
Manufacturer product status
Commercialized
