Description

IF-96010: Digital Input and Alarm Interface for Nemo 96HD/HD+ Series

The IF-96010 module, designed for use with the Nemo 96HD/HD+ series meters, provides monitoring of electrical quantities through two alarms and allows for the following functionalities:

Features:

• Inputs:
  • 2 potential-free contact inputs.
  • State display for inputs: open/closed.
  • 2 independent and resettable registers for pulse counting (8 digits).
• Alarms:
  • 2 independent and insulated alarms with programmable parameters.

Programmable Alarm Parameters:

• Associated Quantity Options:
  • 3n3E: 3-phase 4-wire line, 3 systems.
  • 3-3E: 3-phase 3-wire line, 3 systems.
  • 3-2E: 3-phase 3-wire line, 2 Aron systems.
  • 1n1E: Single-phase line.
  • Phase voltage (U1-U2-U3), linked voltage (U12-U23-U31), phase current (A1-A2-A3).
  • Active and reactive power parameters (P1-P2-P3, P, VAr1-VAr2-VAr3, VAr).
  • Power factor (PF), frequency (FrEq).
• Intervention Threshold: Set intervention point.
• Alarm Type: Minimum or maximum.
• Relay State: Normally energized or de-energized.
• Hysteresis: 0…20%.
• Intervention Delay: 0…99 seconds.
• Reset Delay: 0…99 seconds.

Output Specifications:

• Relays: 2 potential-free SPST contact relays.
• Contact Ratings:
  • 5A at 250V AC (cosϕ = 1).
  • 3A at 250V AC (cosϕ = 0.4).
  • 5A at 30V DC.

Digital Inputs:

• Number of Inputs: 2 potential-free SPST-NO contacts.
• Input State Display: Open-closed.
• Counting: 2 registers for pulse counting, resettable.

Power Supply:

• Self-Consumption:
  • IF-96010: ≤1VA.
  • Nemo 96HD/HD+ and IF-96010: ≤5VA.
  • Nemo 96HD/HD+ with 2 IF-96010 interfaces: ≤6VA.

Insulation:

• Test: A.C. voltage test at 2kV r.m.s for 1 minute at 50Hz covering measurement input, auxiliary supply, outputs 1 and 2, digital inputs 1 and 2.

Housing:

• Type: Module with connector for Nemo 96HD/HD+.
• Depth: Maximum 81mm (Nemo 96HD/HD+ and module).
• Connections: Screw terminals for rigid and flexible cables.
  • Rigid cable: max 4.5mm².
  • Flexible cable: max 2.4mm².
• Material: Self-extinguishing polycarbonate.
• Weight: 40 grams.

Firmware Version:

• The firmware version required to support the additional module’s functionality is indicated in the table. The firmware may be updated in the field using an IF-96001 (RS485) or IF-96002 (RS232) communication module with the help of a PC and the necessary software.