đồng hồ giám sát điện áp hiển thị số - RDM312

Environmental Conditions

Operating temperature:

-20°C to 60°C (-4°F to 140°F)

Storage temperature:

-25°C to 80°C (-13°F to 176°F)

Humidity:

0 to 95% non-condensing

Construction

Weight:

1.23kg (2.7 lb.)

Materials

Case enclosure:

plastic PC/ABS blend

Display body:

plastic PC/ABS blend

Front panel:

plastic PC

PCB.:

FR4 (UL94-V0)

Terminals:

PBT (UL94-V0)

Connectors-Plug-in type:

Polyamide PA6.6 (UL94-V0)

Packaging case:

Carton and Stratocell® (Polyethylene Foam) brackets

Labels:

Polyester film (UL94-V0)

Power Supply

120/230 VAC-110/220 VDC Option:

Rated input 85-264VAC 50/60 Hz, 88-290VDC, Burden 10W

Isolation:

Input to output: 3000 VAC

Input to ground: 2000 VAC

12 VDC Option:

Rated input 9.6-19 VDC

24 VDC Option:

Rated input 19-37 VDC

48 VDC Option:

Rated input 37- 72 VDC

Wire size:

up to 12 AWG (up to 3.5 mm2 )

Input Ratings

Voltage Inputs

Operating range:

690VAC line-to-line, 400VAC line-to-neutral

Direct input and input via PT (up to 828VAC line-to-line, up to 480VAC lineto-neutral)

Input impedance:

Input impedance:

Burden for 400V:

< 0.4 VA

Burden for 120V:

< 0.04 VA

Overvoltage withstand:

1000 VAC continuous, 2000 VAC for 1 second

Galvanic isolation:

3500 VAC

Wire size:

up to 12 AWG (up to 3.5mm2 )

Current Inputs

 Wire size:

12 AWG (up to 3.5 mm2 )

Galvanic isolation:

3500 VAC

5A secondary

Operating range:

continuous 10A RMS Burden: < 0.1 VA

Overload withstand:

15A RMS continuous, 300A RMS for 1 second

1A secondary

Operating range:

continuous 2A RMS Burden: < 0.02 VA

Overload withstand:

6A RMS continuous, 80A RMS for 1 second

Relay Outputs

Wire size:

14 AWG (up to 1.5 mm2 )

2 relays rated at 3A/250 VAC; 3A/30 VDC, 2 contacts (SPST Form A)

Galvanic isolation:

Between contacts and coil: 2000 VAC 1 min

Between open contacts: 1000 VAC

Operate time:

10 ms max.

Release time:

5 ms max

Update time:

1 cycle

Digital Inputs

Sensitivity:

Open @ input resistance >100 kOhm, Closed @ Input resistance < 100 Ohm

2 Digital Inputs Dry Contacts

Wire size:

14 AWG (up to 1.5 mm2 )

Galvanic isolation:

2000V RMS

Internal power supply

15V

Scan time:

1 ms

Optional Analog Inputs

Ranges (upon order):

±1 mA (100% overload) - Input resístanse 1.2 kOhm

0-20 mA - Input resístanse 250 Ohm

4-20 mA - Input resístanse 250 Ohm

0-1 mA (100% overload) - Input resístanse 2.4 kOhm

2 Analog Inputs (optically isolated)

Wire size:

14 AWG (up to 1.5 mm2 )

Isolation:

2,000 V RMS

Accuracy:

0.5% FS

Scan time:

1 cycle

Optional Analog Outputs

Ranges (upon order):

±1 mA, maximum load 5 kΩ (100% overload)

0-20 mA, maximum load 510 Ω 4-20 mA, maximum load 510 Ω 0-1 mA, maximum load 5 k Ω (100% overload)

2 Analog Outputs (optically isolated)

Isolation:

2,000 V RMS

Power supply:

internal

Accuracy:

0.5% FS

Wire size:

14 AWG (up to 1.5 mm2 )

Update time:

1 cycle

Communication Ports

COM1 (Optional modules)

Serial EIA RS-232 optically isolated port

Isolation:

2,000 V RMS

Connector type:

DB9 female.

Baud rate:

up to 115.2 kbps

Supported protocols:

Modbus RTU, DNP3, and SATEC ASCII.

RS-422/RS-485 optically isolated port

Isolation:

2,000 V RMS

Connector type:

DB9 female.

Supported protocols:

Modbus RTU, DNP3, and SATEC ASCII.

Ethernet Port

Connector type:

RJ45 modular.

Transformer-isolated 10/100BaseT Ethernet port.

Supported protocols:

Modbus/TCP (Port 502), DNP3/TCP (Port 20000), GE EGD producer.

Number of simultaneous connections:

4 (4 Modbus/TCP or 2 Modbus/TCP + 2 DNP3/TCP).

Dial-up Modem Transformer-isolated internal 56K modem.

Connector type:

RJ11.

Supported protocols:

Modbus RTU, DNP3, and SATEC ASCII.

Profibus DP (IEC 61158) RS-485 optically isolated Profibus interface.

Connector Type:

DB9 female.

Baud Rate:

9600 bit/s – 12 Mbit/s (auto detection).

32 bytes input, 32 bytes output.

Supported Protocols:

PROFIBUS.

COM2

RS-422/RS-485 optically isolated port

Isolation:

2,000 V RMS

Connector type:

removable, 5 pins.

Wire size:

up to 14 AWG (up to 1.5 mm2 ).

Baud rate:

up to 115.2 kbps.

Supported protocols:

Modbus RTU, DNP3, and SATEC ASCII.

Real-time Clock

Accuracy:

typical error 30 seconds per month @ 25°C

Log Memory

Onboard memory with battery backup:

1 Mbytes.

Display Module

Display:

high-brightness seven-segment digital LEDs, two 4-digit + one 6-digit windows

Keypad:

6 push buttons

Communication:

EIA RS-485 port with 12V supply voltage

Connector type:

DB15, 15 pins

Wires size:

up to 14 AWG (up to 1.5 mm2 )

Distance:

up to 1000 m (3200 feet)

Supply Voltage:

12VDC +/- 10%

Power consumption:

2W