Description

Bentley Nevada 36188-02 Ethernet/RS232 Modbus I/O Module

The Bentley Nevada 136188-02 is an Ethernet/RS232 Modbus I/O Module from Bently Nevada, equipped with the Firmware Upgrade Kit (126M4118-01). It is a component of the 3500/92 Communication Gateway module, which provides robust serial (RS232/RS422/RS485) and Ethernet TCP/IP communication options. This allows the integration of all rack monitoring data and statuses with process control and other automation systems. Furthermore, it facilitates Ethernet communication with data acquisition software and 3500 Rack Configuration Software, enhancing the overall data management and configuration capabilities.

Bentley Nevada 36188-02 Key Features

Power Consumption: 5.6 watts typical with Modbus RS485 I/O Module
Dimensions: 11.0 x 7.5 x 2.4 inches (28 x 19 x 6.2 cm)
Weight: 4.6 lbs (2.1 kg)

Bentley Nevada 36188-02 Specifications

Category	Specification
Voltage Inputs
Number of Inputs	4 inputs, 3 phases and neutral referenced to PE (5 connectors)
Measurement Category	1000 V CAT III/600 V CAT IV
Maximum Input Voltage	1000 V rms/1000 V DC (1700 Vpk)
Nominal Voltage Range
Wye and Single Phase	Variable (50 to 1000 V)
Delta	Variable (100 to 1000 V)
IEC 61000-4-30 Class A Compliance	For nominal voltages (Vdin) 100 to 690 V
Input Impedance	10 MΩ between P-P and P-N, 5 MΩ between P-PE and N-PE
Bandwidth	DC to 30 kHz for PQ measurements, excluding transients
Resolution	24-bit synchronous sampling
Sampling Frequency	80 kS/second at 50/60 Hz
Scaling	1:1 variable for use of potential transformers
Voltage Transients
Measurement Range	±8 kV
Sampling Rate	1 MS/second, 20 MS/second
Bandwidth	DC to 1 MHz
Trigger	Adjustable trigger level, triggers on high-frequency components >1.5 kHz
Resolution	14-bit synchronous sampling
Current Inputs
Number of Inputs	4 inputs, 3 phases and neutral, range selected automatically to attached sensor
Bandwidth	DC to 30 kHz
Resolution	24-bit synchronous sampling
Sampling Frequency	80 kS/second at 50/60 Hz
Scaling	1:1 variable
Input Voltage
Clamp	50 mV/500 mV rms; CF 2.8
Rogowski Coil	15 mV/150 mV rms at 50 Hz, 18 mV/180

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