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11

Performance Specifications

Processor

28ADR/DDR/ADT/DDT, 48ADR/DDR/ADT/DDT

Control method

Stored program, cyclic operation

External Input/output

Base 28/48 points. 28 expansion points. 
Expandable to max. two expansion modules

Instructions

Basic

28 types

Advanced 139 

types

Processing
speed

Basic

Several 

µs per step

Advanced

Several to several tens of 

µs per step

Program capacity

9k words

Memory size

I/O (R)

R000.00 to R31.15 (512 points, 32 words)

Special internal 
contact (R)

R032.00 to R127.15 (1436 points, 96 words)

Link contact (L)

L000.00 to L063.15 (1024 points, 64 words)

Internal contact (M)

M000.00 to M127.15 (2048 points, 128 words)

Keep contact (K)

K000.00 to K127.15 (2048 points, 128 words)

Special contact (F)

F000.00 to F015.15 (256 points, 16 words)

Timer/Counter
(TC or TIM)

256 channels (Timer + Counter), 
Set value range: 0 to 65535

Timer: 0.01 second: TC000 to TC063 (64 channels)

0.1 second: TC064 to TC255 (192 channels)

Counter: TC000 to TC255 (256 channels)

Data register (W)

W0000 to W2047 (2048 words)

Special register (SR)

SR000 to SR511 (512 words)

Communications

Speed

9600, 19200, 38400, 4800 bps, automatically 
selected

Port

Port1: RS232/RS485, 9-pin female D-SUB

Port2: RS232/RS485, 8-pin modular terminal

Number of ports

2 ports

Supporting functions

2 of 4 step communications protocol (Port 1 and 2)

User-defined communications, Modbus slave 
(Port 2)

Special functions

High-speed counter

1 channel/32 bits built-in, single phase 8K, 
two-phase 4K

Pulse output

2 channels built-in (TR output model) 5 KHz

Input pulse catch

4 contacts built-in

Others

RTC

Built-in

PID

Supports 8 loop PID control

Programming
Tools

Programming S/W

Supports WinGPC 3.0 or higher for Windows

Memory backup

Battery backup, Backup using flash ROM

Summary of Contents for NX7-28ADR

Page 1: ...e 8 Cables 8 Hardware Features 9 Specifications 10 General Specifications 10 Power Supply Specifications 10 Performance Specifications 11 Input Specifications 12 Output Specifications 13 Communication...

Page 2: ...r liability for actual use based on the examples and diagrams No patent liability is assumed by OE Max Controls with respect to use of information circuits equipment or software described in this manu...

Page 3: ...orm a special operation during run such as program editing operation control or forced output make sure to perform it after ensuring safety Do not connect an external device or a hand held programmer...

Page 4: ...25 in Input output and communication cables should be separated from power cables Give at least 200 mm space between them Otherwise generated noise may cause product malfunction We recommend installib...

Page 5: ...ause they melt deform or discolor PCB boards Precautions for use of power Run your PLC system only after the I O devices and motor devices have started For example first power on in the PROG mode then...

Page 6: ...t NX7 48DDR 28 point dc input 20 point relay output NX7 48DDT 28 point dc input 20 point transistor output Catalog number Input power I O specifications Remarks NX7 28EDR 24V dcb power supply 16 point...

Page 7: ...connections etc 2 Off Disables termination for RS 485 communication On Enables termination for RS 485 communication COM1 RS232C RS485 9pin female D Sub 24V dc auxiliary output Panel fixing hole Batte...

Page 8: ...or 10 min Dust condition No conductive dust Chemicals No cutting oil and organic solvents Corrosive gas No corrosive gas Shock immunity 98m S2 or more 4 times X Y Z each direction Grounding Class 3 gr...

Page 9: ...Counter TC or TIM 256 channels Timer Counter Set value range 0 to 65535 Timer 0 01 second TC000 to TC063 64 channels 0 1 second TC064 to TC255 192 channels Counter TC000 to TC255 256 channels Data re...

Page 10: ...ange 10 8 to 26 4V Max input current 10 mA or less Min On voltage current 10 0V or more 3 0 mA or more Max Off voltage current 5V or less 0 6 mA or less Input impedance Approx 3 6 K Response time Off...

Page 11: ...dc Load voltage range 85 to 264V ac 10 to 30V dc Max load current 2A per point 6A per common for 6 points Response time Off On 10 ms or less On Off 10 ms or less Surge absorber Not applicable Interna...

Page 12: ...dc Polarity common Sink type NPN Max load current 0 4A per point 1 0A per common Max inrush current 3A 10 ms or less Off state leak current 100 A or less Respons e time Off On 1 ms or less On Off 1 ms...

Page 13: ...ex asynchronous polling Data bit 8 bits Parity None Stop bit 1 bit Communication distance RS 232 15 m or less RS 485 1 2 Km or less Termination resistance COM1 adjusted by the internal DIP switch COM2...

Page 14: ...ase and expansion 48 points Installation Dimensions 28 points 48 points 100 mm 90 mm 79 0 mm 35 mm DIN rail mounting holder 76 6 mm 146 mm 90 mm 100 mm unit mm 146 0 mm 81 0 mm 31 9 in 9 5 3 0 87 0 mm...

Page 15: ...act defects leading to product damage or personal injury Make sure to disconnect power to the controller system before performing installation wiring maintenance and cleaning Never touch the power ter...

Page 16: ...tance or Class D grounding to prevent voltage mixing between the frame ground and the power input terminals Ground the frame ground terminal with a dedicated Class 3 100 or less of ground resistance o...

Page 17: ...NX7 Installation Instructions OE MAX Controls www oemax com Copyright 2004 OE MAX Controls...

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