MODULAR I/O SYSTEM

C6 Remote I/O

KEB’s C6 Remote I/O system offers various options for connecting process signals to an EtherCAT network. It is made up of a C6 Remote I/O bus coupler and additional I/O modules. The C6 Remote I/O bus coupler converts the physical transfer technology and generates the system voltages for the modules. In the process, the EtherCAT protocol is retained right through to the last I/O module. The modules each operate in the system as an independent EtherCAT slave. Like every EtherCAT slave, they can be configured individually as nodes. In addition, data is immediately available in the EtherCAT and does not need to be converted by a proprietary bus. At the end of the modular device, the connection between the forward and return lines is closed automatically, meaning that the next EtherCAT device can be plugged into the second bus coupler or extender port.

With a width of just 25 mm, the plug-in system has a high packing density. Thanks to the diverse module options and the continuity of the EtherCAT fieldbus, a wide variety of application-specific topologies can be implemented.

Highlights

  • Complete EtherCAT I/O system in real time 
  • Compact construction (32DI on 25 mm) 
  • Extensive choice of I/O module types 
  • Plug-in terminals and modules

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C6 I/O Modules

General technical data

FieldbusEtherCAT 100 Mbits/s
W x H x D25 x 120 x 90 mm
Installation35 mm DIN Rail
ControllerET 1100
E-Bus connection10-in system plug in side wall
End modulenot necessary
Power supply24 V DC (-20 % …  +25 %)
Potential separationModules to each other and to bus
Operating temperature0 … +55 °C
Storage temperature-25 … +70 °C
Relative humidity5 … 95 %, without condensation
Protection classIP 20
Resistance to interferenceZone B to EN 61131-2

Module specific technical Data

Bus Coupler

FieldbusEtherCAT 100 Mbits/s
Power supply24 V DC (-20 % … +25 %)
E-Bus supplymax. 3 A (approx. 20 modules)
Cable lengthmax. 100 m between 2 bus couplers
Connection2 x RJ45
Input current50 mA & E-Bus supply
FieldbusEtherCAT 100 Mbits/s
Power supply24 V DC (-20 %  … +25 %)
Supply E-Busmax. 2 A (approx. 11 modules)
Digital Inputs16
Input delay3 ms
Signal leveloff -3 …  5 V
on 15 … 30 V 
Digital outputs16
Max. current0.5 A per output
Total currentmax. 8 A 
E-Bus load135 mA

Digital in-/outputs

Digital inputs16
Input delay1 ms
Signal level off -3 … 5 V
on 15 … 30 V 
Digital outputs
Max. current
Total current
E-Bus load100 mA
Digital inputs32
Digital delay1 ms
Signal level off -3 … 5 V
on 15 … 30 V
Digital outputs
Max. current
Total current
E-Bus load85 mA
Digital inputs16
Input delay1 ms
Signal level off  -3 … 5 V
on 15 … 30 V 
Digital outpus16
Max. current0.5 A per output
Total currentmax. 8 A
E-Bus load135 mA
Digital Inputs16
Input delay1 ms
Signal leveloff 15 … 30 V
on -3 … 5 V 
Digital outputs16 
Max. current0.5 A per output 
Total currentmax. 8 A
E-Bus load135 mA
Digital inputs16
Input delay1 ms
Signal level off -3 … 5 V
on 15 … 30 V
Digital outputs8
Max. current1 A per output
Total currentmax. 8 A
E-Bus load135 mA
Digital inputs
Input delay
Signal level 
Digital outputs16
Max. current0.5 A per output
Total loadmax. 8 A
E-Bus load130 mA
Digital inputs
Input delay
Signal level 
Digital outputs8
Max. current1 A per output
Total currentmax. 8 A 
E-Bus load130 mA
Digital inputs
Input delay
Signal level 
Digitale outputs8
Max. current2 A per output
Total currentmax. 10 A
E-Bus load130 mA 
Digital inputs
Input delay
Signal level 
Digital outputs8
Max. current5 A (resistive) / 2 A (inductiv)
Switching voltagemax. 24 V DC / 230 V AC
Switching cycles mech. (min.)2 x 10 7
Switching cycles elec. (min.)3 x 10 5 (2 A / 30 V DC) 
E-Bus load130 mA 
Digital inputs
Input delay
Signal level 
Digital outputs8
Max. current5 A (resistive) / 2 A (inductiv)
Switching voltagemax. 24 V DC / 24 V AC
Switching cycles mech. (min.)2 x 10 7
Switching cycles elec. (min.)3 x 10 5 (2 A / 30 V DC) 
E-Bus load130 mA 

Counter / Fast inputs

Encoder 2 x A, B, Ref
Encoder type5 V (RS422)
Count frequencymax. 200 kHz
Digital inputs8
Input delay1 ms
Signal level off -3 … 5 V
on 15 … 30 V 
Digital outps2
Max. current2 A per output
Analog outputs
Resolution
E-Bus-Last300 mA
Encoder2 A, B, Ref
Encoder type5 V (RS422)
Count frequencymax. 200 kHz
Digital inputs0 … +55 °C
Input delay-25 … +70 °C
Signal level 5 … 95 %, ohne Betauung
Digital outputsmax. 3 A (approx. 20 modules)
Max. current2 A per output
Analog outputs2
Resolution12 bit
E-Bus load300 mA

Analog in-/outputs

Analog inputs4
Resolution12 Bit (5,2 μA)
Measurement range0 … 20 mA, 4 … 20 mA (end value 20 mA)
Conversion time235 µs (if all channels are active)
Output rate
E-Bus load190 mA
Analog inputs8
Resolution12 Bit (5,2 μA)
Measurement range0 . . . 20 mA, 4 … 20 mA (end value 20 mA)
Conversion time290 μs (if all channels are active)
Output rate
E-Bus load 190 mA 
Analog inputs8 single-ended or 4 differential
Resolution13 Bit (1.221 μV unipolar/ 2.422 μV bipolar)
Measurement range0 … 10 V, ±10 V
Conversion time464 μs (if all channels are active)
Output rate
E-Bus load190 mA
Analog inputs6 single ended or 8 differential
Resolution13 Bit (1.221 μV unipolar/ 2.422 μV bipolar)
Measurement range0 … 10 V, ±10 V
Conversion time580 μs (if all channels are active)
Output rate
E-Bus load190 mA
Analog inputs4
Resolution16 Bit
Measurement range0 … 10 V, ±10 V, 0 … 20 mA
Output rate220 ms
E-Bus load150 mA
Analog inputs4
Resolution16 Bit
Conversion time50 ms (adjustable)
E-Bus load170 mA

 

Thermoelement

Sensor typesJ, K, mV (internal)
Cold point compensationyes
Measuring range type K-200 °C … +1372 °C
Measuring range type J-50 °C … +760 °C
Measuring range mV-40 … +65 mV

 

Pt100 / Ni100

Measuring range Pt-75 °C … +670 °C
Measuring range Ni-60 °Cv+250 °C
Input resistance70 … 320 Ω
Measuring  current1 mA (typical)

 

Pt1000 / Ni1000

Measuring range Pt-75 °C … +670 °C
Measuring range Ni-60 °C …  +250 °C
Input resistance700 … 3200 Ω
Measuring  current0,1 mA (typical)
Analog inputs8
Resolution16 Bit
Conversion time50 ms (einstellbar)
E-Bus load170 mA

 

Thermocouple

Sensor typesJ, K, mV (internal)
Cold point compensationyes
Measuring range type K-200 °C … +1372 °C
Measuring range type J-50 °C … +760 °C
Measuring range mV-40 … +65 mV

 

Pt100 / Ni100

Measuring range Pt-75 °C … +670 °C
Measuring range Ni-60 °C … +250 °C
Input resistance70 … 320 Ω
Measuring  current1 mA (typical)

 

Pt1000 / Ni1000

Measuring range Pt-75 °C …  +670 °C
Measuring range Ni-60 °C … +250 °C
Input resistance700 … 3200 Ω
Measuring  current0,1 mA (typical)

Fieldbus extension

Fieldbus options2x EtherCAT 100 Mbits/s 
Power supplyvia E-Bus
E-Bus load160 mA for OUT1
210 mA for OUT1 + OUT2
Fieldbus optionsPROFINET Slave
Power supplyvia E-Bus
E-Bus load240 mA
Prozess datamax. 384 Byte
Fieldbus optionsEtherCAT Slave
Power supplyvia E-Bus
E-Bus load240 mA
Prozess datamax. 384 Byte
Fieldbus optionsEtherNET IP Slave
Power supplyvia E-Bus
E-Bus load240 mA
Prozess datamax. 384 Byte
Fieldbus optionsPOWERLINK Slave
Power supplyvia E-Bus 
E-Bus load240 mA
Prozess datamax. 384 Byte

I/O Drive Controller

Motor connection2-phase stepper motor or brushless DC motor
Motor voltage12 V … 72 V DC / cULus: 12 V … 42 V DC
Motor current nominal5 A
Peak currentStepper motor: 10 A / brushless DC Motor: 15 A 
Incremental emitter5 V / 24 V (A, /A, B, /B, Z, /Z)
Hall emitter5 V / 24 V (H1, H2, H3) or 3 extra zero-switching digital inputs
Digital inputs5 x 1 ms configurable, e.g. reference switch, limit switch, release
Digital outputs1 x 0.5 A (brake output or standard output)
ControlCIA402
E-Bus load100 mA

Mixed I/O

Digital inputs 4 (8)
DI0..3 1 ms
DI40.1 ms
DI5 … 70.001 ms
Counter (DI5)500 kHz (up to 1 MHz)
Digital outputs24
DO0 … 70.5 A
DO8 … 230.1 A
Analog inputs 12 Bit4 x 0 … 10 V (also useable as DI, DI0 … 3)
Sampling rate1 ms
RS485potential-separated
Baud rate2.4 … 921.6 kBit/s 
E-Bus load90 mA 

Accessories

Connections2 x 16
 The module has 2 separate potential lines
E-Bus load0 mA 

KEB IO EtherCat connection terminal  2 x 8 mm

KEB IO EtherCat connection terminal 14 mm

Documentation

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EPLAN C6
V02
(zip, 06.02.2017, 2 MB)
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Installation C6 I/O - AI4 (I)
V01
(pdf, 08.02.2018, 109 KB)
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Installation C6 I/O - AI4 (I) CoE
V01
(pdf, 08.02.2018, 110 KB)
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Installation C6 I/O - AI4 + Pt/Ni100
V01
(pdf, 08.02.2018, 105 KB)
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Installation C6 I/O - AI4 + Pt/Ni1000
V01
(pdf, 08.02.2018, 105 KB)
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Installation C6 I/O - AI4 TE
V01
(pdf, 08.02.2018, 104 KB)
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Installation C6 I/O - AI4/8 (U)
V01
(pdf, 01.01.1970, 107 KB)
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Installation C6 I/O - AI4/8 (U) CoE
V01
(pdf, 08.02.2018, 107 KB)
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Installation C6 I/O - AI8 (I)
V01
(pdf, 08.02.2018, 112 KB)
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Installation C6 I/O - AI8 + Pt/Ni100
V00
(pdf, 08.02.2018, 109 KB)
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Installation C6 I/O - AI8 + Pt/Ni1000
V01
(pdf, 08.02.2018, 109 KB)
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Installation C6 I/O - AI8 TE
V01
(pdf, 14.02.2018, 104 KB)
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Installation C6 I/O - AI8-I (CoE)
V01
(pdf, 08.02.2018, 113 KB)
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Installation C6 I/O - AI8/16 (U)
V01
(pdf, 08.02.2018, 110 KB)
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Installation C6 I/O - AI8/16-U (CoE)
V01
(pdf, 08.02.2018, 110 KB)
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Installation C6 I/O - AO4-UI
V01
(pdf, 08.02.2018, 107 KB)
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Installation C6 I/O - AO4-UI (CoE)
V01
(pdf, 17.07.2019, 107 KB)
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Installation C6 I/O - Buscoupler
V01
(pdf, 08.02.2018, 102 KB)
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Installation C6 I/O - Cap bus connector
V00
(pdf, 14.02.2018, 187 KB)
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Installation C6 I/O - Counter2
V01
(pdf, 01.01.1970, 108 KB)
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Installation C6 I/O - Counter2/Posi2
V01
(pdf, 08.02.2018, 109 KB)
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Installation C6 I/O - DI16
V01
(pdf, 08.02.2018, 103 KB)
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Installation C6 I/O - DI16/DO16
V01
(pdf, 08.02.2018, 107 KB)
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Installation C6 I/O - DI16/DO16 LS
V01
(pdf, 08.02.2018, 108 KB)
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Installation C6 I/O - DI16/DO8
V01
(pdf, 08.02.2018, 109 KB)
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Installation C6 I/O - DI32
V01
(pdf, 08.02.2018, 106 KB)
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Installation C6 I/O - DO16
V01
(pdf, 13.02.2018, 104 KB)
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Installation C6 I/O - DO8 1A
V01
(pdf, 13.02.2018, 104 KB)
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Installation C6 I/O - DO8 2A
V01
(pdf, 13.02.2018, 104 KB)
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Installation C6 I/O - DO8 Relay
V01
(pdf, 08.02.2018, 106 KB)
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Installation C6 I/O - DO8 Relay 24V
V01
(pdf, 13.04.2018, 300 KB)
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Installation C6 I/O - EtherCAT Slave
V01
(pdf, 05.09.2018, 105 KB)
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Installation C6 I/O - ETHERNET/IP Slave
V01
(pdf, 05.09.2018, 106 KB)
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Installation C6 I/O - Extender
V01
(pdf, 08.02.2018, 102 KB)
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Installation C6 I/O - MIX02
V01
(pdf, 08.02.2018, 119 KB)
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Installation C6 I/O - Potential dispatcher
V01
(pdf, 08.02.2018, 105 KB)
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Installation C6 I/O - POWERLINK Slave
V01
(pdf, 05.09.2018, 105 KB)
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Installation C6 I/O - PROFINET Slave
V01
(pdf, 05.09.2018, 103 KB)
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Installation C6 I/O - Safety PLC
V00
(pdf, 07.06.2021, 457 KB)
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Installation C6 I/O - Stepper BLDC
V01
(pdf, 15.03.2018, 106 KB)
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Installation C6 Remote I/Os
V02
(pdf, 03.07.2020, 9 MB)
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Manual C6 I/O Safe-In4 / Safe-Out2
V02
(pdf, 21.12.2017, 6 MB)
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Manual C6 Remote I/O Stepper/BLDC
V02
(pdf, 13.09.2018, 8 MB)
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Software C6 MFI EtherCAT XML
(zip, 01.10.2018, 567 KB)
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Software C6 MFI Ethernet/IP EDS + XML
(zip, 01.10.2018, 695 KB)
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Software C6 MFI Powerlink XDD + XML
(zip, 01.10.2018, 685 KB)
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Software C6 MFI Profinet GSDML + XML
(zip, 01.10.2018, 3 MB)