ABB 07 CS 61 Fieldbus Coupler | CANopen, 1 Mbps, 128B Buffer

This fieldbus coupler connects Procontic I/O racks to CANopen networks. The ABB 07 CS 61 acts as a gateway between the local bus and fieldbus. You can integrate this module into distributed control architectures seamlessly. Its intelligent design reduces wiring complexity significantly.

Physical Dimensions and Hardware Layout

The ABB 07 CS 61 measures 16.5 cm in overall width. Its total depth reaches 18.2 cm including the connector hood. This fieldbus coupler weighs approximately 0.58 kg. A metal housing provides excellent shielding against electromagnetic interference. Five diagnostic LEDs display power, run, bus, error, and exchange status.

Network Specifications and Communication Capabilities

This module supports CANopen DS301 protocol at baud rates up to 1 Mbps. The ABB 07 CS 61 automatically detects the network baud rate at power‑up. You can set the node address using two rotary switches from 1 to 99. The module handles up to 128 bytes of input and output data. Network cycle times reach as low as 5 ms for 64 bytes.

Parameter	Specification
Product Type	CANopen fieldbus coupler
Supported Protocol	CANopen DS301, DSP402
Device Role	Slave
Baud Rates	10, 20, 50, 125, 250, 500, 800 kbps, 1 Mbps
Node Address Setting	Rotary switches (1‑99)
Input Data Buffer	128 bytes
Output Data Buffer	128 bytes
PDO Mapping	Up to 16 TxPDO, 16 RxPDO
Connection Type	9‑pin D‑sub male (CANopen compliant)
Dimensions (W x H x D)	165 mm x 90 mm x 182 mm
Weight	0.58 kg (1.28 lbs)
Backplane Current Draw	220 mA @ 5V DC
Power Dissipation	1.1 W max
Internal Energy Storage	47 µF capacitor for buffer retention
Isolation Voltage	1500 Vrms bus‑to‑backplane
LED Indicators	Power, run, bus, error, exchange (5 LEDs)
Termination Resistor	Built‑in, switchable
Operating Temperature	0°C to +55°C

Energy Storage and Data Buffering

Internal capacitors preserve data during short communication interruptions. The ABB 07 CS 61 stores up to 128 bytes of input and output data. This buffer prevents message loss during bus reconfiguration events. Consequently, field devices retain their last valid values temporarily.

Network Integration and Addressing

Set the node address using the two rotary switches on the front panel. The ABB 07 CS 61 accepts addresses from 1 to 99 only. The module automatically detects the network baud rate at power‑up. Enable the built‑in termination resistor at both network ends. Therefore, manual baud rate configuration becomes unnecessary.

Diagnostic Features and Status Monitoring

Five front panel LEDs simplify CANopen network troubleshooting. A green power LED confirms 5V backplane supply presence. A yellow run LED flashes during operational mode. A red error LED indicates a bus off or configuration fault. This clear visual feedback accelerates fault diagnosis significantly. The exchange LED shows data transfer activity.