Product Features #
- Optically Isolated Digital Inputs
- Inputs can withstand voltages up to 36V DC
- Internally Pulled Up
- MCP23008 Port Expander
- Address Configurable Over DIP Switch
Expansions Supported
- Digital Input
Main #
Range of Product | NORVI Expansion |
Product Type | Expansion Module |
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 | I2C |
Inputs and Outputs | 4 x Digital Inputs |
Displays and Visual Indicators | 1 LED green |
Complementary #
Product Unified Code | NORVI EX-I4 |
Product Part Numbers | NORVI EX-I4 |
Mechanical Properties #
Enclosure | NORVI 202 |
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 |
Length | 59.00 mm |
Height | 86.00 mm |
Width | 35.00 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 | 8-bit-I/O Expander with Serial Interface |
Module | MCP230008 |
Operating supply voltage | 2.4V to 3.6V |
Resolution | 16bit |
I2C SDA | GPIO16 |
I2C SCL | GPIO17 |
INPUTS and OUTPUTS #
Digital Inputs #
Number of Digital Inputs | 4 |
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 0 – GP0 Digital Input 1 – GP1 Digital Input 2 – GP2 Digital Input 3 – GP3 |
I2C Address Setting #
The I2C address of the expansion module can be configured by switching DIP switches at the bottom of the expansion module. The device can be configured at 8 I2C addresses using the first 3 DIP switches.
Expansion Port #
PIN | ESP32 Connection |
1 | TXD0 |
2 | GPIO25 |
3 | RXD0 |
4 | AUX1 |
5 | GPIO15 |
6 | NRST |
7 | SCL2 |
8 | AUX2 |
9 | SDA2 |
10 | GND |