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Overview
- Shaft-encoder inputs and PWM outputs
- Direct temperature inputs
- Auto-tune PID, up to 4 loops
- Date & time-based control Database
- Full source upload
- Up to 80 user-designed screens
- Multilingual: supports over 15 languages and 20 graphic symbols
- Scroll between pre-programmed recipes/menus
- Memory and communication monitoring via HMI – No PC needed
- SMS messaging via GSM
- Remote access utilities
- PC access via MODBUS or OPC server
- Supports MODBUS protocol
- CANbus (in C models only)
- User-defined ASCII strings, enable communication with external devices
- RS232/RS485 built-in port
- I/O options include digital, analog, high-speed, temperature & weight measurement. See table below:
Product Details
| M91™ | |
|---|---|
| I/O Expansion | |
| I/Os may be added via expansion port. Expand up to 150 I/Os | |
| Program | |
| Application Memory | 36K (virtual) Ladder code capacity |
| Memory Operands | 256 coils, 256 registers, 64 timers |
| Database | 1024 integers, (indirect access) |
| Operator Panel | |
| Type & colors | STN LCD |
| Display | 2 lines x 16 characters |
| Keys | 15 keys |
| General | |
| Power Supply | M91-2-R1 / R2C / T1 / T2C / UN2 : 12/24VDC M91-2- R6C / R34 / T38 / UA2 / RA22 : 24VDC |
| Battery | 7 years typical at 25°C, battery back-up for all memory sections and RTC |
| Clock | Real-time clock functions (date and time) |
| Environment | IP65/NEMA4X (when panel mounted) |
| Standard | CE, UL Many of our products are also UL Class 1 Div 2 and GOST certified - please contact Unitronics |
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M91™ models - Onboard I/Os
| Inputs1 | Outputs | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Article | Summary | Digital2 | HSC/Shaft-encoder2 | Analog | Temperature Measurement | Transistor 3 | PWM/HSO 3 | Relay | Analog | Operating Voltage |
| M91-2-R1 | 10 Digital, 1 Analog Inputs 6 Relay Outputs | 10 | 3 10kHz, 32-bit | 1 0-10V, 0-20mA, 4-20mA 10-bit | None | None | None | 6 | None | 12/24VDC |
| M91-2-R2C | 10 Digital, 2 Analog Inputs 6 Relay Outputs | 10 | 3 10kHz, 32-bit | 2 0-10V, 0-20mA, 4-20mA 10-bit | None | None | None | 6 | None | 12/24VDC |
| M91-2-R6C | 6 Digital, 6 Analog Inputs 6 Relay Outputs | 6 | 1 10kHz, 32-bit | 2 0-10V, 0-20mA, 4-20mA 4 0-20mA, 4-20mA 10-bit | None | None | None | 6 | None | 24VDC |
| M91-2-R34 | 20 Digital, 2 D/A1 Inputs 12 Relay Outputs | 22 | 3 10kHz, 32-bit | 2 0-10V, 0-20mA, 4-20mA 10-bit | None | None | None | 12 | None | 24VDC |
| M91-2-T1 | 12 Digital Inputs 12 Transistor Outputs | 12 | 2 10kHz, 32-bit | None | None | 12 pnp | 2 0.5kHz | None | None | 12/24VDC |
| M91-2-T38 | 22 Digital Inputs 16 Transistor Outputs | 22 | 2 10kHz, 32-bit | None | None | 16 pnp | None | None | 24VDC | |
| M91-2-T2C | 10 Digital, 2 D/A 1 Inputs 12 Transistor Outputs | 12 | 3 10kHz, 32-bit | 2 0-10V, 0-20mA, 4-20mA 10-bit | None | 12 pnp | None | None | 12/24VDC | |
| M91-2-UN2 | 10 Digital, 2 D/A/ PT100/TC 1 Inputs 12 Transistor Outputs | 12 | 2 10kHz, 32-bit | 2 Thermocouple, PT100, 0-10V, 0-20mA, 4-20mA 14-bit | 12 pnp | None | None | 12/24VDC | ||
| M91-2-UA2 | 10 Digital, 2 D/A/TC 1 Inputs 10 Transistor, 2 Analog Outputs | 12 | 1 10kHz, 32-bit | 2 Thermocouple, 0-10V, 0-20mA, 4-20mA 14-bit | 10 pnp | None | 2 0-10V, 4 -20mA 12-bit | 24VDC | ||
| M91-2-RA22 | 8 Digital, 2 D/A, 2 PT100/TC/Digital1 Inputs 8 Relay, 2 Analog Outputs | 12 | 1 10kHz, 32-bit | 2 0-10V, 0-20mA, 4-20mA 14-bit | 2 Thermocouple, PT100 | None | None | 8 | 2 0-10V, 4 -20mA 12-bit | 24VDC |
*Notes:
- In some models certain inputs are adaptable via wiring and software settings, and can function as digital, high-speed, analog and in certain models as TC or PT100.
Adapting requires input pins. This reduces the number of digital inputs. Pin requirements:
• Each high-speed requires 1 or 2 pins according to high-speed mode.
• Each analog input requires 1 pin.
• Each TC requires 2 pins per TC input
• The first PT input requires 3 pins, and two additional pins for each additional PT input.
Example: V91-2-UA2 offers 12 digital inputs. Implementing 2 TC inputs requires 4 pins, leaving 8 pins free. Implementing 2 PT inputs uses 5 input pins. - The total number of digital inputs listed includes high-speed and adaptable inputs.
- The total number of digital outputs listed includes high-speed outputs.
*This page provides a general overview of Unitronics products.
For more details, please check the complete technical specifications for each product, located at the end of the page.
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I/O Expansion Modules
| Inputs | Outputs | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Expansion Modules | Digital 5 | HSC 5 | Analog | Temperature Measurement | Weight Measurement | Transistor6 | PWM/HSO 6 | Relay | Analog | Operating Voltage | |
| Digital | IO-DI8-TO8 | 8 pnp/npn | 1 5kHz 16-bit | None | None | None | 8 pnp | None | None | None | 24VDC 9 |
| IO-DI8-RO4 | 8 pnp/npn | 1 5kHz 16-bit | None | None | None | None | None | 4 | None | 24VDC 9 | |
| IO-DI8-RO8 | 8 pnp/npn | 1 5kHz 16-bit | None | None | None | None | None | 8 | None | 24VDC 9 | |
| EX90-DI8-RO8 3 | 8 pnp | 1 5kHz 16-bit | None | None | None | None | None | 8 | None | 24VDC | |
| IO-DI16 | 16 pnp/npn | 1 5kHz 16-bit | None | None | None | None | None | None | None | 24VDC 9 | |
| IO-TO16 | None | None | None | None | None | 16 pnp | None | None | None | 24VDC | |
| IO-RO8 | None | None | None | None | None | None | None | 8 | None | 24VDC 9 | |
| IO-RO16 | None | None | None | None | None | None | None | 16 | None | 24VDC 9 | |
| IO-DI8ACH | 8 AC | None | None | None | None | None | None | None | None | 110/220 VAC | |
| Analog, Temperature and Weight/Strain Measurements | IO-AI4-AO2 | None | None | 4 0-10V, 0-20mA, 4-20mA 12-bit | None | None | None | None | None | 2 ±10V 12-bit+sign, 0-20mA, 4-20mA 12-bit | 24VDC |
| IO-PT400 | None | None | None | 4 PT100/NI100/NI120 | None | None | None | None | None | Not relevant | |
| IO-PT4K | None | None | None | 4 PT1000/NI1000 | None | None | None | None | None | Not relevant | |
| IO-AO6X | None | None | None | None | None | None | None | None | 6 (Isolated) 0-10V, 0-20mA, 4-20mA 12-bit | 24VDC | |
| IO-LC1 | 1 pnp | None | None | None | 1 Loadcell / Strain gauge | 2 pnp | None | None | None | 24VDC | |
| IO-LC3 | 1 pnp | None | None | None | 3 Loadcell / Strain gauge | 2 pnp | None | None | None | 24VDC | |
| IO-ATC8 | None | None | 8 Thermocouple, 0-10V, 0-20mA, 4-20mA 14-bit | None | None | None | None | None | Not relevant | ||
| IO-AI8 | None | None | 8 0-10V, 0-20mA, 4-20mA 14-bit | None | None | None | None | None | None | Not relevant | |
| XL Digital/Analog | IO-D16A3-RO16 | 16 pnp/npn | 2 30kHz 16/32-bit 8 | 3 0-20mA, 4-20mA 10-bit | None | None | None | None | 16 | None | 24VDC |
| IO-D16A3-TO16 | 16 pnp/npn | 1 30kHz 16/32-bit 8 | 3 0-20mA, 4-20mA 10-bit | None | None | 15 pnp, 1 pnp/npn | 1 pnp 0.5kHz npn 50kHz | None | None | 24VDC | |
| EX-D16A3-RO87 | 16 pnp/npn | 2 30kHz 16/32-bit 8 | 3 0-20mA, 4-20mA 10-bit | None | None | None | None | 8 | None | 24VDC | |
| EX-D16A3-TO167 | 16 pnp/npn | 1 30kHz 16/32-bit 8 | 3 0-20mA, 4-20mA 10-bit | None | None | 15 pnp 1 pnp/npn | 1 pnp 0.5kHz npn 50kHz | None | None | 24VDC | |
| High-speed Remote I/O Module | EXF-RC15 2,4 ,10 | 9 pnp/npn | 3 200kHz 32-bit | None | None | None | 4 npn | 4 (up to 3 PTO) | 2 | None | 24VDC |
*Notes:
- Number of supported I/Os & I/O modules varies according to module
- The EXF-RC15 functions as a node in a Vision UniCAN network and connects to the Vision controller via CANbus and programmed in VisiLogic. The EXF-RC15 cannot be extended as regular I/O unit.
- The EX90 is housed in an open casing. Only one EX90 can be connected per PLC, as a single expansion module; Expansion adapter not required.
- Supported by Vision series. Not supported by M91 series.
- The total number of digital inputs listed includes high-speed inputs.. Example: the IO-D16A3-TO16 offers a total of 16 pnp/npn inputs. You can configure I4 as a HSC and I5 as a Counter reset; this reduces the available number of digital inputs to 14.
- The total number of digital outputs listed includes high-speed outputs. Example: the IO-D16A3-TO16 offers a total of 16 transistor outputs. You can configure 1 to High-speed output, reducing the number of available digital outputs to 15.
- Functions as local adapter. Can support up to 7 I/O modules
- 16-bit or 32-bit, depending on the PLC
- Also available as 12VDC – contact us for part number
*This page provides a general overview of Unitronics products.
For more details, please check the complete technical specifications for each product, located at the end of the page.
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