Code Alarm PC 7500 Manual do Utilizador descarregar pdf (Página 4)

Time Synchronization and GPS

A real-time clock allows internal events and data

records to be date-stamped and time-stamped to

millisecond resolution. The clock can be

synchronized to any one of three sources:

w The meter's internal crystal (+/- 50ppm)

w The line frequency of the electrical network

being metered

w An external GPS receiver with an accuracy of

+/- 1 millisecond

When using GPS time synchronization, either

pre-selected serial port is dedicated exclusively

as a GPS synchronization input.

Logic, Math & Control

Sophisticated logic and mathematical functions

let you perform on-board calculations on any

measured value. Calculate true quantities from

pulse inputs (e.g. BTU calculations) and

transformer loss compensation values. You can

also implement real-time billing schemes.

Mathematical Functions

Define formulas using the following operators:

w Arithmetic (+, x, -, ÷)

w Comparison (>, <, =,

³, £, ¹)

w Logical (

AND, OR, NOT, TRUE, FALSE, IF)

w Trigonometric (

SIN, COS, TAN, ASIN, ACOS, ATAN)

w Math (

PI, SQRT

, POWER, SUM, SUMSQ, AVG, RMS,

LOG10, LN, MAX, MIN)

Programmable Logic and Setpoint

Control

24 setpoints can be set for 1-second or ½-cycle

operation and can be triggered by any over or

under condition. Setpoints can trigger:

w Audible,(through software) and visible alarms

w Modem/pager dial-back

w Data logging

w Waveform recording with control over pre-

event and post-event capture

w Relay control

w Clearing and reset functions

w Relative Setpoints

Inputs/Outputs

Digital I/O lets you monitor a wide range of

conditions, such as flow rates, RPM, fluid levels,

oil pressures and transformer temperatures. You

can output energy pulses to an RTU or perform

equipment control operations.

w 8 digital inputs can monitor status or count

pulses from external “volts free” dry contact

w 4 solid state relay output ports and 3 on-

board relays can be controlled automatically

by internal setpoints or manually via a

communications port

Software Integration

With their extensive communication capabilities,

either meter can be easily integrated into energy

management or distribution control systems.

PEGASYS

Both units are compatible with our Windows NT-

based PEGASYS power monitoring software.

PEGASYS displays real-time and logged data

and offers manual control/configuration

capabilities. PEGASYS provides enterprise-wide

data sharing in a secure networked environment.

Communications

Multi-Port, Multi-Protocol Access

Simultaneous communication on up to 4 ports

provides secure, data sharing with a variety of

energy management systems using a choice of

communication standards and protocols.

RS-232/RS-485 Port

Selectable between RS-232 and RS-485

w Protocols: ION, DNP 3.0, Modbus RTU,

or GPS

w Baud rate: 300 bps to 115,200 bps

RS-485 Port

w Protocols: ION, DNP 3.0, Modbus RTU, or

GPS

w Baud rate: 300 bps to 57,600 bps

Infrared Data Port:

IrDA compliant front panel infrared data port can

download real-time data to a portable PC.

w Protocols: ION, Modbus RTU, DNP 3.0,

w Baud rate: Up to 115,200 bps.

Internal Modem

Available internal telephone modem features fast

connect time, and ModemGate™, a gateway

letting up to 31 additional devices share a

meter’s internal modem via the remaining serial

ports. (IrDA and Internal Modem cannot be

operated simultaneously)

w Protocols: ION, Modbus RTU and DNP 3.0

w Baud rate: Up to 33.6 kbps.

Ethernet Port

Optional 10Base-T or 10Base-FL port offers

direct access through an Ethernet LAN/WAN and

features EtherGate™, which permits the direct

transfer of data between an Ethernet network and

up to 62 devices via the meter’s 2 serial ports.

w Protocols: TCP/IP, ION, Modbus RTU,

Telnet

w Baud rate: Up to 10 Mbps.

Interoperability

Concurrent communications ability via multiple

protocols allows you to use the meter’s advanced

features to extend an existing Modbus, DNP or

PEGASYS network. In addition, both meters are

fully supported by UTS MV-90™.

7600 ION/7500 ION

Multiport Communications

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