====== MPS-8A8R ======

MPS-8A8R is a all-in-one industrial PLC with 8 digital inputs and 8 relay outputs. Provides 4 multipurpose analog inputs, 2 isolated high-speed counters, encoder inputs, 6 PWM outputs, and 3 serial communication channels.

Program with ladder logic using MP STUDIO.

{{ :en-us_products:mps-8a8r-connectors.svg?nolink |MPS-8A8R connector guide }}

===== Product Specifications =====

^  Category  ^  Quantity  ^  Terminal / Item  ^  Specifications  ^
|  Programming method  |  -  |  -  | MP STUDIO \\ MP STUDIO2 \\ (Ladder logic program)  |
|  Power  |  -  |  +5V, +24V, GND  | DC 12~24V (0.5A or more when using DC 24V) \\ +5V output: up to 1A  |
|  Digital inputs  |  8 points \\ (Solid-state, isolated)  |  P0~P7  | DC 0~40V; HIGH detection at DC 5V or higher \\ COM0 shared \\ NPN/PNP input support  |
|  Relay outputs  |  8 points \\ (Mechanical contacts, isolated)  |  P32~P39  | AC 250V or DC 30V \\ Max. 5A/1 points \\ 2 points/1COM  |
|  Analog / Temperature inputs  |  4 points \\ (Non-isolated)  |  AI0~AI3  | Select DC 0(1)~5V, DC 0~10V, 0(4)~20mA or NTC per channel \\ 10bit  |
|  High-speed counter inputs  |  2 points \\ (Isolated)  |  HCNT0, HCNT1  | DC 0~80V, Max. 5kHz \\ NPN/PNP input support  |
|  Encoder Inputs  |  1 channel \\ (Non-isolated)  |  SDA(A), SCL(B)  | DC 5V, Max. 50kHz \\ Shared with I²C  |
|  Pulse outputs  |  6 points \\ (Non-isolated)  |  PWM0~PWM5  | DC 5V, Max. 30mA \\ 2 timer groups  |
|  Communication Channels  |  1 channel \\ (Non-isolated)  |  I²C  | I²C Master  |
|  Communication Channels  |  1 channel each \\ (Non-isolated)  |  RS-232, RS-485, UART  | Modbus RTU Slave \\ LS Industrial Systems Cnet(XGK) Slave \\ User-defined protocol  |
|  Memory  |  -  |  Flash  | 256KB (32KB used by system)  |
| ::: | ::: |  Data Memory  | 8KB (1KB used by system)  |

===== Digital inputs =====

[[:en-us_guide:wiring#digital_input_one_channel_check|See the one-channel digital-input check before wiring for the first time. →]]
^ Contact ^ COM ^ Input type ^ Connector / Wiring example ^
| P0~P7 | COM0 | NPN/PNP inputs |  {{:en-us_products:mps-8a8r-digital-input-wiring.svg?628|MPS-8A8R digital-input}}  |

===== Relay outputs =====

[[:en-us_guide:wiring#relay_output_one_channel_check|See the one-channel relay-output check before wiring for the first time. →]]
^ COM ^ Contact ^ Contact ratings ^ Connector / Wiring example ^
| COM2 | P32, P33 | AC 250V or DC 30V, Max. 5A/ points |  {{:en-us_products:mps-8a8r-relay-output-wiring.svg?492|MPS-8A8R relay-output}}  |
| COM3 | P34, P35 | AC 250V or DC 30V, Max. 5A/ points | ::: |
| COM4 | P36, P37 | AC 250V or DC 30V, Max. 5A/ points | ::: |
| COM5 | P38, P39 | AC 250V or DC 30V, Max. 5A/ points | ::: |

===== Analog / Temperature inputs =====

^ channel ^ Selectable modes ^ Connector / Wiring example ^
| AI0~AI3 | DC 0(1)~5V, DC 0~10V, 0(4)~20mA, NTC 10kΩ 3950K |  {{:en-us_products:mps-8a8r-analog-input-wiring.svg?466|MPS-8A8R analog-input}}  |

Select one mode for each channel using its jumper. A channel configured for NTC cannot also be used as a voltage/current input.

===== PWM and High-Speed Inputs =====

^ Function ^ Contacts / Channels ^ Points ^ Connector / Wiring example ^
| Isolated high-speed counter | HCNT0, HCNT1 | 2 points | {{:en-us_products:mps-8a8r-counter-input-wiring.svg?285|MPS-8A8R counter-input}} |
| I²C / Encoder | SDA(A), SCL(B) | 1 channel | {{:en-us_products:mps-8a8r-counter-encoder-wiring.svg?296|MPS-8A8R counter-encoder}} |
| PWM outputs | PWM0~PWM5 | 6 points | {{:en-us_products:mps-8a8r-pwm-output-wiring.svg?634|MPS-8A8R pwm-output}} |

===== Communication and Upload =====

^ Function ^ Terminals / Cables ^ Usage ^ Connector / Wiring example ^
| Program download | MP Download Cable | MP STUDIO download / monitoring |  {{:en-us_products:mps-8a8r-communication-wiring.svg?780|MPS-8A8R communication}}  |
| RS-232·RS-485·UART | 1 channel each | Modbus RTU Slave, LS Industrial Systems Cnet(XGK) Slave, user-defined protocol | ::: |
| I²C / Encoder | SDA(A), SCL(B) | I²C Master or encoder input | ::: |
| Power terminals | +5V, +24V, GND | DC 12–24V input | ::: |

===== Basic I/O example =====

<code>
0000   [ P0:Run button ]────────────────( P32:Relay )
</code>

[[:en-us_products:mps|← Back to MPS Series comparison]]