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Summary of Contents for Acrel PZ96B
- Page 1 PZ96B programmable digital display smart meter (AI, AV, DI, DV) Installation and use instructions V1.0 ACREL Co., Ltd...
- Page 2 The contents of these instructions will be constantly updated and corrected, but there are inevitably slight discrepancies or errors with the actual product. Users should refer to the actual product purchased, and can download the new version of the manual through www. ACREL.cn or sales channels.
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Page 3: Table Of Contents
Table of Contents 1 Overview ................1 2 Technical parameters ..............1 3 Schematic diagram of shape and size (unit: mm) .......... 2 4 Wiring method ................3 4.1 Single-phase AC series wiring ............. 3 4.2 Single-phase DC series wiring ............ 3 4.3 Switching input and output ............ -
Page 4: Overview
Overview PZ96B series single-phase meter, using AC sampling technology, can directly or indirectly measure voltage and current in single-phase power network. It can be used for both local display and connection with industrial control equipment to form a measurement and control system. -
Page 5: Schematic Diagram Of Shape And Size (Unit: Mm)
Power supply AC85～265V or DC100～350V; power consumption＜5VA Industrial frequency withstand voltage: AC2kV 1min between power supply//switching output//current input//voltage input and changeover//communication//switching input; AC2kV between power supply, switching output, current input, voltage Security input two by two 1min; AC1kV 1min between two inputs for transmission, communication and switching;... -
Page 6: Wiring Method
Wiring method (Note: If inconsistent with the wiring diagram on the instrument housing, the wiring diagram on the instrument housing shall prevail) 4.1 Single-phase AC series wiring... -
Page 7: 4.3 Switching Input And Output
4.2 Single-phase DC series wiring F U S E F U S E 传 感 器 电 压 ( 1 0 V ) 输 入 电 压 ( 3 0 0 V ) 输 入 电 压 ( 1 0 0 0 V ) 输 入 传... -
Page 8: Current Input
A 1A fuse shall be installed at the voltage input; Current input The current input must be accessed using an external CT. Wiring to ensure that the input current and voltage phase sequence is the same, otherwise there will be a display value and symbol error; at the same time to ensure that the current incoming and outgoing lines are connected correctly (marked * terminal to the incoming line);... -
Page 9: Menu Function Setting
Menu function setting Key Function Description The four keys of PZ96B digital display smart meter are SET key, left key, right key and enter key from left to right. In measurement mode, press the key to enter programming mode, the meter... - Page 10 Current Current Current Normal display Switching Switching Switching Instrument menu Note: The single-phase voltmeter has a similar structure to the menu, with only one difference: voltage and frequency instead of current; Three-phase voltmeter with a similar structure to the AI3 menu, with only one difference: voltage instead of current;...
- Page 11 Function setting System Setup Change Change Display Display XXXX XXXX XXXX XXXX Figure 4 Input Full Shield Place Zero XXXX XXXX XXXX Figure 5 Function setting Communication Transmission Type Transmis Variable Instrume Baud Data 4-20mA XXXX XXXX 38400 XXXX 19200 0-20mA Stop 9600...
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Page 12: Variable Output Settings
Figure 7 Variable output setting Corresponding settings in tr.1 "type" transmission type selection: 4-20mA output and 0-20mA (to be customized) output selection "Hi" is set to 100% output value "Ao.Lo" is 0% output value setting (The above 2 settings correspond to the display value of electricity, take the highest four integers (decimal point ignored) insufficient to make up 0, example: input 220V 100A/5A, three-phase four-wire, then 100% P total 220 * 100 * 3 = 66kW, the value is taken 6600, that is, "Ao.Hi"... -
Page 13: Communication
Communication Overview of communication protocols The PZ96B digital smart meter uses the MODBUS-RTU communication protocol, which defines in detail the checksum, data sequence, etc., necessary for a specific data exchange.The MODBUS protocol uses a master-slave answering connection (half-duplex) on a single communication line. - Page 14 and only the addressed terminal will respond to a query containing that address. When a terminal sends back a response, the slave address data in the response tells the host which terminal is communicating with it. Function Codes: Function codes tell what function is performed by the terminal being addressed. The following table lists the function codes used in this series of meters, along with their meaning and function.
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Page 15: Function Code 03H Or 04H: Read Register
7. The value of the final CRC register is the value of CRC. There is also a method to calculate CRC using a pre-defined table, which is mainly characterized by fast calculation speed, but the table requires large storage space, which is not described here, please refer to the related materials. -
Page 16: Communication Application Details
Switching inputs and outputs PZ96B digital display smart meter switch input is a dry contact switch signal input method, the meter is equipped with internal +5V working power supply, no external power supply. When the external contact is closed or broken, the instrument displays the switch status locally, and at the same time, it can realize the remote transmission function through the communication port of the instrument, i.e. -
Page 17: Switching Input And Output
input and output is 0022H, and its correspondence with the switching input and output is as follows: 8～1 0022H Reserved Power parameters The measured values of the series are read out with command 03 of the Modbus-RTU communication protocol, and the correspondence between the communication value and the actual value is as follows: (The agreement is that Val_t is the communication read-out value and Val_s is the actual value) 1、... -
Page 18: Communication Wiring Example
Byte 0023H low Decimal Point I (DCT) 1 to 5 byte 0024H High Decimal Point PQ 4 to 10 Byte (DPQ) word No. 8: P 0024H Low Byte Symbol PQ No. 4: Q 0 is positive, 1 is negative 0025H 0-9999 DC: -9999-9999 word... -
Page 19: Instructions For Use
Instructions for use 1) First check if the power cord is properly connected before powering on. 2) Establishment of communication a) Correctly connect to the RS485 bus and connect to the host computer. b) The host computer sends commands according to the module's station number and baud rate, and according to the protocol format. - Page 20 Address: No. 253 Yulu Road, Jiading District, Shanghai Tel: 0086-21-69158338 0086-21-69156052 0086-21-59156392 0086-21-69156971 Fax: 0086-21-69158303 Website: www.acrel-electric.mx E-mail: ariadna@acrel.cn Zip code: 201801 Production base: Jiangsu Acrel Electric Appliance Manufacturing Co.Ltd Address: No. 5, ASEAN Road, ASEAN Industrial Park, Nanzha Street, Jiangyin City, Jiangsu Province...
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