Product Features #
- RS-485 Communication
- Built-in 0.96 OLED Display
- Built-in Button on the front panel
- Digital Inputs
- Relay outputs
- Transistor outputs
- Analog inputs
- DIN-Rail mount
Expansions Supported
- Analog Input
- Digital Input
- Transistor Output
- Relay Output
- Analog Output
Main #
Range of Product | NORVI ARITA |
Product Type | Programmable Controller |
Certifications | EN 61131-2:2007 EN 61010-1:2010+A1:2019 EN IEC 61010-2-201:2018 2014/30/EU- Electromagnetic Compatibility (EMC) Annex III, Part B, Module C |
Rated supply voltage | 24V DC |
Communication | I2CRS-485 |
Inputs and Outputs | 14 x Digital Inputs 10 x Relay Outputs 2 x Transistor Outputs 2 x Analog Inputs with 0 – 10V 2 x Analog Inputs with 4-20mA |
Displays and Visual Indicators | 1 LED green for PWR 1 LED green for RUN 14 LED green for I0……I14 10 LED green for Q0……Q4 and R0…..R4 2 LED green for T0….T1 |
Complementary #
Product Unified Code | NORVI ARITA-STM32-M7 |
Product Part Numbers | NORVI ARITA-STM32-M7 |
Mechanical Properties #
Enclosure | NORVI 207 |
Mounting / Installation Method | DIN RAIL / MOUNTING TABS |
Terminal Type | Top hat type TH35-15 rail conforming to IEC 60715 Top hat type TH35-7.5 rail conforming to IEC 60715 Plate or panel with fixing kit |
Terminal Arrangement | Top and Bottom |
Depth | 56.60 mm |
Height | 86.60 mm |
Width | 122.10 mm |
Environment #
IP degree of protection | IP20 |
Operating altitude | 0 – 2000 meters |
Operating Temperature | – –10 … +85° C (14…185 °F) |
Storage altitude | 0 – 3000 meters |
Shock resistance | 15 gn for 11ms |
Resistance to electrostatic discharge | 4kV on contact 8kV on air |
Resistance to electromagnetic fields | 10 V/m (80 MHz …… 1GHz) 3 V/m (1.4 MHz …… 2 GHz) 1 V/m (2 MHz …… 3 GHz) |
Electrical Characteristics #
Grid Powered Devices #
Rated Supply Voltage (V) | 24V DC |
Current Consumption (mA) | 400mA |
Recommended Power Source | 1A 24V DC |
Processing #
SOC / MCU | STM32F103RBT6 |
Flash Memory | 256 to 512 KB |
SRAM | up to 64 KB |
Peripherals #
Internal RTC #
RTC Chip | DS1307ZN+ |
Backup Battery Type | CR2450N-IB |
Interface | I2C |
I2C Address | 0x68 |
SCL Pin | PB6 |
SDA Pin | PB7 |
Built-in Buttons #
Button 1 Pin | PC1 |
Button 2 Pin | PC0 |
Button 3 Pin | PE6 |
Button 4 Pin | PE5 |
OLED Display #
Display Driver | SSD1306 |
Display Size | 0.96 inch |
SCL Pin | PB6 |
SDA Pin | PB7 |
INPUTS and OUTPUTS #
Digital Inputs #
Number of Digital Inputs | 14 |
Digital Input Polarity | Sink and Source |
Digital Input Maximum Voltage | 32V DC |
Digital Input Minimum Voltage | 18V DC |
Maximum Switching Frequency | 1 kHZ |
Terminal Arrangement | Digital Input 1 – PD0 Digital Input 2 – PA8 Digital Input 3 – PE4 Digital Input 4 – PE3 Digital Input 5 – PE2 Digital Input 6 – PE1 Digital Input 7 – PE0 Digital Input 8 – PB9 Digital Input 9 – PB8 Digital Input 10 – PB5 Digital Input 11 – PD7 Digital Input 12 – PD6 Digital Input 13 – PD5 Digital Input 14 – PD4 |
Analog Inputs #
Number of Analog Inputs | 4 |
Analog Input Measurement Range | 4 – 20mA0 – 10V |
Analog Input Maximum Voltage | 38V DC |
Analog to Digital Converter (ADC) | ADS1115 |
Analog to Digital Converter (ADC) Communication | I2C |
Analog to Digital Converter (ADC) Address | 0x48 |
Terminal Arrangement | A0 : Analog Input 0 – ADS1115 – 0x48 – AIN0 – 0 – 10V A1 : Analog Input 1 – ADS1115 – 0x48 – AIN1 – 0 – 10V A2 : Analog Input 2 – ADS1115 – 0x48 – AIN2 – 4 – 20mA A3 : Analog Input 3 – ADS1115 – 0x48 – AIN3 – 4 – 20mA |
Transistor Outputs #
Number of Transistor Outputs | 2 |
Transistor Output Type | OPEN COLLECTOR |
Maximum Sink/Source Current (mA) | 100mA |
Maximum Applicable Voltage | 40V DC |
Maximum Switching Frequency | 1 kHz |
Terminal Arrangement | T0 – PA4 T1 – PC4 |
Relay Outputs #
Number of Relay Outputs | 10 |
Relay Output Type | Normally Open / SPST / Electro-mechanical |
Contact Current Rating (Resistive) | 5 A 30V DC/250V AC |
Maximum Contact Voltage | 270V AC, 125V DC |
Maximum Switching Frequency | 60 Hz |
Terminal Arrangement | Relay Output 0 – PC5 Relay Output 1 – PB0 Relay Output 2 – PB1 Relay Output 3 – PE7 Relay Output 4 – PE8 Relay Output 5 – PE9 Relay Output 6 – PE10 Relay Output 7 – PE11 Relay Output 8 – PA0 Relay Output 9 – PA1 |
Communication Channels #
RS-485 Communication #
Communication Mode | HALF-DUPLEX |
Transceiver | MAX485CSA |
Unit Load | 1/4 |
Flow Control / Direction Control Pin | PC9 |
TX Pin | PA9 |
RX Pin | PA10 |
Terminal Arrangement |
Wifi Communication #
Protocol | Integrated TCP/IP |
Model Name | ESP8266MOD |
Operating Voltage | 3.6V |
Flash | 4M |
Power Consumption | < 1.0mW |
Bluetooth Communication #
Model Name | WT51822-S4AT |
Operating Voltage | 3.3V |
Flash | 256KB |
RAM | 16KB |
GPIO Map #
Pin | GPIO | Usage |
1 | PE2 | Digital Input 5 |
2 | PE3 | Digital Input 4 |
3 | PE4 | Digital Input 3 |
4 | PE5 | Button 4 |
5 | PE6 | Button 3 |
15 | PC0 | Button 2 |
16 | PC1 | Button 1 |
23 | PA0 | Relay Output 8 |
24 | PA1 | Relay Output 9 |
25 | PA2 | Expansion RX3 |
26 | PA3 | Expansion TX3 |
29 | PA4 | Transistor Output 0 |
30 | PA5 | Expansion SCK |
31 | PA6 | Expansion MISO |
32 | PA7 | Expansion MOSI |
33 | PC4 | Transistor Output 1 |
34 | PC5 | Relay Output 0 |
35 | PB0 | Relay Output 1 |
36 | PB1 | Relay Output 2 |
38 | PE7 | Relay Output 3 |
39 | PE8 | Relay Output 4 |
40 | PE9 | Relay Output 5 |
41 | PE10 | Relay Output 6 |
42 | PE11 | Relay Output 7 |
47 | PB10 | Expansion SCL |
48 | PB11 | Expansion SDA |
52 | PB13 | SCK |
53 | PB14 | MISO |
54 | PB15 | MOSI |
64 | PC7 | Bluetooth – Enable |
65 | PC8 | Bluetooth – Reset |
66 | PC9 | RS 485 – FC |
67 | PA8 | Digital Input 2 |
68 | PA9 | RS 485 – TX |
69 | PA10 | RS 485 – RX |
78 | PC10 | Wifi – TX |
79 | PC11 | Wifi – RX |
80 | PC12 | Bluetooth – TX |
81 | PD0 | Digital Input 1 |
83 | PD2 | Bluetooth – RX |
85 | PD4 | Digital Input 14 |
86 | PD5 | Digital Input 13 |
87 | PD6 | Digital Input 12 |
88 | PD7 | Digital Input 11 |
91 | PB5 | Digital Input 10 |
92 | PB6 | SCL |
93 | PB7 | SDA |
95 | PB8 | Digital Input 9 |
96 | PB9 | Digital Input 8 |
97 | PE0 | Digital Input 7 |
98 | PE1 | Digital Input 6 |
Expansion Port #
PIN | ESP32 Connection |
1 | RX3 |
2 | SCK |
3 | TX3 |
4 | MISO |
5 | EXP_2 – PC3 |
6 | MOSI |
7 | EXP_1 – PC2 |
8 | SCL |
9 | GND |
10 | SDA |