Choosing I/O Type
CLICK CPU Modules with Built-in I/O
There are thirty-one CLICK CPU modules available in five classes, each with different combinations of built-in I/O types. The CLICK CPU modules all offer the same instruction set, and support all the available optional I/O modules. With the built-in I/O a CPU can be used as a ready-to-go PLC control system without any additonal I/O modules.
| Compare CPU Types | ||||||
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| Basic CPU | Basic Ethernet CPU | Standard CPU | Standard Ethernet CPU | Analog CPU | Ethernet Analog CPU | |
| Discrete I/O | 8 Inputs*, 6 Outputs | 4 In, 4 Out | 4 In*, 4 Out | |||
| Analog I/O | No | 2 In, 2 Out | 2 or 4 In, 2 Out | |||
| External Interrupts | 8 | 4 | 4 | |||
| Com. Ports | 2 x RS-232 | 1 x RS-232 | 2 x RS-232, 1 x RS-485 | 1 x RS-232, 1 x RS-485 | 2 x RS-232, 1 x RS-485 | 1 x RS-232, 1 x RS-485 |
| Ethernet Ports | no | 1 | no | 1 | no | 1 |
| SRAM Backup | Super Capacitor | Super Capacitor + Battery (D2-BAT-1) | ||||
| Real-time Clock | No | Yes | ||||
| PID | No | Yes | No | Yes | No | Yes |
*Ethernet CPUs support high-speed DC inputs and PID control
Basic CPU Modules
Basic CPU modules are the most cost effective CLICK CPUs and include include two RS-232 serial ports, eight discrete input and six discrete output points. Basic CPUs do NOT have a calender/clock or battery backup (there is a super-capacitor that will save retentive memory values for several days only). The only differences between the CPUs in the Basic family are the I/O type of the inputs and outputs.
| Basic CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete Inputs | Discrete Outputs | Price |
| C0-00DD1-D | 8 DC (sink/source) | 6 DC (sink) | $92.00 |
| C0-00DD2-D | 8 DC (sink/source) | 6 DC (source) | $92.00 |
| C0-00DR-D | 8 DC (sink/source) | 6 Relay | $118.00 |
| C0-00AR-D | 8 AC | 6 Relay | $128.00 |
Basic CPU Modules
Basic Ethernet CPU Modules
Basic Ethernet CPU modules include one Ethernet port, one RS-232 serial port, eight discrete input and six discrete output points. Basic Ethernet CPUs DO have the battery back-up, & calendar/clock. They also have a faster proceesor, and support "run time edits", PID, and high-speed inputs. The only differences between the CPUs in the Basic Ethernet family are the I/O type of the inputs and outputs.
| Basic Ethernet CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete Inputs* | Discrete Outputs | Price |
| C0-10DD1E-D | 8 DC (sink/source) | 6 DC (sink) | $183.00 |
| C0-10DD2E-D | 8 DC (sink/source) | 6 DC (source) | $183.00 |
| C0-10DRE-D | 8 DC (sink/source) | 6 Relay | $196.00 |
| C0-10ARE-D | 8 AC | 6 Relay | $197.00 |
*High-speed input capability available on CPUs with discrete DC inputs
Basic Ethernet CPU Modules
Standard CPU Modules
Standard CPU modules include two RS-232 serial ports, plus an RS-485 serial port, eight discrete input and six discrete output points. Standard CPUs have also have battery back-up, & calendar/clock. The only differences between the CPUs in the Standard family are the I/O type of the inputs and outputs.
| Standard CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete Inputs | Discrete Outputs | Price |
| C0-01DD1-D | 8 DC (sink/source) | 6 DC (sink) | $139.00 |
| C0-01DD2-D | 8 DC (sink/source) | 6 DC (source) | $139.00 |
| C0-01DR-D | 8 DC (sink/source) | 6 Relay | $156.00 |
| C0-01AR-D | 8 AC | 6 Relay | $156.00 |
Standard CPU Modules
Standard Ethernet CPU Modules
Standard Ethernet CPU modules include one Ethernet port, one RS-232 serial port, and one RS-485 serial port, eight discrete input and six discrete output points. Standard Ethernet CPUs DO have the battery back-up, & calendar/clock. They also have a faster processor, and support "run time edits", PID, and high-speed inputs. The only differences between the CPUs in the Standard Ethernet family are the I/O type of the inputs and outputs.
| Standard Ethernet CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete Inputs* | Discrete Outputs | Price |
| C0-11DD1E-D | 8 DC (sink/source) | 6 DC (sink) | $212.00 |
| C0-11DD2E-D | 8 DC (sink/source) | 6 DC (source) | $212.00 |
| C0-11DRE-D | 8 DC (sink/source) | 6 Relay | $226.00 |
| C0-11ARE-D | 8 AC | 6 Relay | $226.00 |
*High-speed input capability available on CPUs with discrete DC inputs
Standard Ethernet CPU Modules
Analog CPU Modules
Analog CPU modules include two RS-232 serial ports, plus an RS-485 serial port, four discrete input and four discrete output points. Analog CPUs also have two analog input channels and two analog output channels. Analog CPUs DO have the battery back-up, & calendar/clock. The only differences between the CPUs in the Analog family are the I/O type of the inputs and outputs.
| Analog CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete I/O Types | Analog I/O Types | Price |
| C0-02DD1-D | 4 DC In, 4 DC Sinking Out | 2 ch in /2 ch out (current/voltage selectable) | $192.00 |
| C0-02DD2-D | 4 DC In, 4 DC Sourcing Out | 2 ch in /2 ch out (current/voltage selectable) | $195.00 |
| C0-02DR-D | 4 DC In, 4 Relay Out | 2 ch in /2 ch out (current/voltage selectable) | $204.00 |
Analog CPU Modules
Ethernet Analog CPU Modules
Ethernet Analog CPU modules include one Ethernet port, one RS-232 serial port, one RS-485 serial port, four discrete input and four discrete output points, up to 6 analog I/O channels, a battery back-up, and calendar/clock. They also have a faster processor, and support "run time edits", PID, and high-speed inputs. The only differences between the CPUs in the Ethernet Analog family are the discrete (AC, DC sink, source) and analog (current, voltage, or both) I/O type and the number of analog inputs.
| Ethernet Analog CLICK CPUs | |||
|---|---|---|---|
| Part Number | Discrete I/O Types* | Analog I/O Types | Price |
| C0-12DD1E-D | 4 DC In, 4 DC Sinking Out | 2 ch in /2 ch out (current/voltage selectable) | $253.00 |
| C0-12DD2E-D | 4 DC In, 4 DC Sourcing Out | 2 ch in /2 ch out (current/voltage selectable) | $253.00 |
| C0-12DRE-D | 4 DC In, 4 Relay Out | 2 ch in /2 ch out (current/voltage selectable) | $269.00 |
| C0-12ARE-D | 4 AC In, 4 Relay Out | 2 ch in /2 ch out (current/voltage selectable) | $269.00 |
| C0-12DD1E-1-D | 4 DC In, 4 DC Sinking Out | 4 ch in /2 ch out (current) | $253.00 |
| C0-12DD2E-1-D | 4 DC In, 4 DC Sourcing Out | 4 ch in /2 ch out (current) | $253.00 |
| C0-12DRE-1-D | 4 DC In, 4 Relay Out | 4 ch in /2 ch out (current) | $269.00 |
| C0-12ARE-1-D | 4 AC In, 4 Relay Out | 4 ch in /2 ch out (current) | $269.00 |
| C0-12DD1E-2-D | 4 DC In, 4 DC Sinking Out | 4 ch in /2 ch out (voltage) | $253.00 |
| C0-12DD2E-2-D | 4 DC In, 4 DC Sourcing Out | 4 ch in /2 ch out (voltage) | $253.00 |
| C0-12DRE-2-D | 4 DC In, 4 Relay Out | 4 ch in /2 ch out (voltage) | $269.00 |
| C0-12ARE-2-D | 4 AC In, 4 Relay Out | 4 ch in /2 ch out (voltage) | $269.00 |
*High-speed input capability available on CPUs with discrete DC inputs
Ethernet Analog CPU Modules
Stackable I/O Modules
A variety of stackable I/O modules are available for the CLICK PLC System. Up to 8 I/O modules can be connected to a CLICK/CLICK PLUS CPU module to expand the system I/O count and meet the needs of a specific application. Click on a part number below for complete I/O module specifications and wiring diagrams. Use our CLICK or CLICK PLUS Configuration Tools to quickly configure a CLICK PLC with the stackable modules needed for your application, then add the components to your cart to complete your purchase.
| Discrete Inputs | ||||
|---|---|---|---|---|
| Part Number |
I/O Type/ Number/ Commons |
Sink or Source |
Voltage Ratings |
Price |
| C0-08ND3 | DC/8/2 | Sink or Source | 12-24 VDC | $48.00 |
| C0-08ND3-1 | DC/8/2 | Sink or Source | 3.3-5 VDC | $48.00 |
| C0-16ND3 | DC/16/4 | Sink or Source | 24 VDC | $63.00 |
| C0-08NA | AC/8/2 | N/A | 100-120 VAC | $57.00 |
| C0-08NE3 | AC/DC/8/2 | Sink or Source | 24 VAC / 24 VDC | $50.00 |
| C0-16NE3 | AC/DC/16/4 | Sink or Source | 24 VAC / 24 VDC | $70.00 |
| Discrete Outputs | ||||
|---|---|---|---|---|
| Part Number |
I/O Type/ Number/ Commons |
Sink or Source |
Voltage Ratings |
Price |
| C0-08TD1 | DC/8/2 | Sink | 3.3-27 VDC, 0.3 A | $50.00 |
| C0-08TD2 | DC/8/1 | Source | 12-24 VDC, 0.3 A | $51.00 |
| C0-16TD1 | DC/16/2 | Sink | 5-27 VDC, 0.1 A | $64.00 |
| C0-16TD2 | DC/16/2 | Source | 12-24 VDC, 0.1 A | $63.00 |
| C0-08TA | AC/8/2 | N/A | 17-240 VAC, 0.3 A | $72.00 |
| C0-04TRS | Relay/4/4 | N/A | 6-27 VDC, 7 A 6-240 VAC, 7 A |
$62.00 |
| C0-04TRS-10 | Relay/4/4 | N/A | 6-24 VDC, 10A 6-240 VAC, 10A |
$70.00 |
| C0-08TR | Relay/8/2 | N/A | 6-27 VDC, 1 A 6-240 VAC, 1 A |
$57.00 |
| C0-08TR-3 | Relay/8/4 | N/A | 6-27 VDC, 3A 6-240 VAC, 3A |
$61.00 |
| Discrete Combo I/O Modules | |||||
|---|---|---|---|---|---|
| Part Number |
Input Type | Input Voltage | Output Type | Output Voltage Current Ratings |
Price |
| C0-16CDD1 | 8 DC (source/sink) | 24 VDC | 8 DC (sink) | 5-27 VDC / 0.1 A | $82.00 |
| C0-16CDD2 | 8 DC (source/sink) | 24 VDC | 8 DC (source) | 12-24 VDC /0.1 A | $82.00 |
| C0-08CDR | 4 DC (source/sink) | 12-24 VDC | 4 (relay) | 6.25-24 VDC, 1 A 6-240 VAC, 1 A |
$73.00 |
| Analog Input Modules | |||
|---|---|---|---|
| Part Number |
Analog Input Types | External Power Required | Price |
| C0-04AD-1 | 4 channel, current (0-20 mA), 13 bit | 24 VDC | $128.00 |
| C0-04AD-2 | 4 channel, voltage (0-10 V), 13 bit | 24 VDC | $129.00 |
| C0-04RTD | 4 channel RTD input (0.1 degree °C/°F resolution), or resistive input (0 to 3125 ohms) | None | $217.00 |
| C0-04THM | 4 channel thermocouple input (0.1 degree °C/°F resolution), or voltage input (-156.25 mV to 1.25 V), 16 bit | None | $217.00 |
| Analog Output Modules | |||
|---|---|---|---|
| Part Number |
Analog Input Types | External Power Required | Price |
| C0-04DA-1 | 4 channel, current sourcing (4-20 mA), 12 bit | 24 VDC | $175.00 |
| C0-04DA-2 | 4 channel, voltage (0-10 V), 12 bit | 24 VDC | $175.00 |
| Analog Combo I/O Modules | ||||
|---|---|---|---|---|
| Part Number |
Analog Input Type | Analog Output Type | External Power Required | Price |
| C0-4AD2DA-1 | 4 channel, current (0-20 mA), 13 bit | 2 channel, current sourcing (4-20 mA), 12 bit | 24 VDC | $226.00 |
| C0-4AD2DA-2 | 4 channel, voltage (0-10 V), 13 bit | 4 channel, voltage (0-10 V), 12 bit | 24 VDC | $217.00 |
| Specialty Modules | ||||
|---|---|---|---|---|
| Part Number |
Input Type | Price | ||
| C0-04POT | 4-channel potentiometer analog simulator input module | $68.00 | ||
| C0-08SIM | 8-pt, toggle switch simulator | $51.00 | ||
CPU Option Slot I/O for CLICK PLUS CPUs
CLICK PLUS CPUs allow you to choose the I/O configuration on board the CPU. Choose from the option slot modules below to customize a stand-alone PLC to match the I/O needs of your application.
| CLICK PLUS Option Slot Modules | |||||
|---|---|---|---|---|---|
| Part Number | Discrete Inputs* | Discrete Outputs* | Analog Inputs | Analog Outputs | Price |
| C2-14TTL | 8 DC (sink/source/TTL) | 6 DC (sink/TTL) | None | None | $65.00 |
| C2-14D1 | 8 DC (sink/source) | 6 DC (sink) | $58.00 | ||
| C2-14D2 | 6 DC (source) | $58.00 | |||
| C2-14DR | 6 Relay | $70.00 | |||
| C2-14AR | 8 AC | $70.00 | |||
| C2-08D1-4VC* | 4 DC (sink/source) | 4 DC (sink) | 2 channel; voltage (0-5 VDC) / current (4-20 mA); selectable separately per channel, 12-bit | 2 channel; voltage (0-5 VDC) / current (4-20 mA); selectable separately per channel, 12-bit | $90.00 |
| C2-08D2-4VC* | 4 DC (source) | $90.00 | |||
| C2-08DR-4VC* | 4 relay | $103.00 | |||
| C2-08AR-4VC* | 4 AC | $103.00 | |||
| C2-08D1-6C | 4 DC (sink/source) | 4 DC (sink) | 4 channel; current (0-20 mA), 12-bit | 2 channel; current (4-20 mA), 12-bit | $90.00 |
| C2-08D2-6C | 4 DC (source) | $90.00 | |||
| C2-08DR-6C | 4 relay | $103.00 | |||
| C2-08AR-6C | 4 AC | $103.00 | |||
| C2-08D1-6V | 4 DC (sink/source) | 4 DC (sink) | 4 channel; voltage (0-10 VDC), 12-bit | 2 channel; voltage (0-10 VDC), 12-bit | $90.00 |
| C2-08D2-6V | 4 DC (source) | $90.00 | |||
| C2-08DR-6V | 4 relay | $103.00 | |||
| C2-08AR-6V | 4 AC | $103.00 | |||
| CLICK PLUS Option Slot Intelligent Modules | |||||
| Part Number | Function | Number of Ports |
Port Types | Price | |
| C2-NRED | Node-RED® interface and JavaScript programming | 1 port | (1) Ethernet 10/100Base-T (RJ45) port | $235.00 | |
| C2-OPCUA | OPC UA® communication | 1 port | (1) Ethernet 10/100Base-T (RJ45) port | $195.00 | |
| C2-DCM | Modbus RTU & ASCII communication |
2 ports | (2) RS-232/RS-485 (6-pin terminal) port(s) | $118.00 | |
* Option slot modules with DC I/O offer high-speed capability up to 100kHz (high-speed I/O supported in slot 0 only).
CPU Option Slot I/O for CLICK PLUS CPUs
CLICK PLUS CPU option modules can be used with the appropriate CPU as a direct replacement for any of the original CLICK Ethernet PLCs.
The table below shows the original CLICK Ethernet PLCs and their equivalent CLICK PLUS CPU and option module.
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