07KP93 ABB AC31 Series Datasheet & Technical Manual

ABB 07KP93 GJR5253200R1161 AC31 Modbus RTU Communication Processor

ABB 07KP93 GJR5253200R1161 AC31 Modbus RTU Communication Processor

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ABB 07KP93 Advant Controller 31 Communication Processor Configured for serial data exchange in AC31 automation networks, the ABB 07KP93 (GJR5253200R1161...

SKU: 07KP93

Manufacturer: ABB
Product No.: 07KP93
Product Type: Communication Processors
Product Origin: USA
Payment:T/T, Western Union
Weight: 580g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

ABB 07KP93 Advant Controller 31 Communication Processor

Configured for serial data exchange in AC31 automation networks, the ABB 07KP93 (GJR5253200R1161 Communication Processor) provides direct physical and electrical execution of Modbus RTU Master/Slave protocol conversion.

Hardware Specifications

Parameter	Specification
Model	07KP93 (GJR5253200R1161)
Brand	ABB
Origin	Japan
Weight	0.58 kg
Dimensions	Standard 35 mm DIN rail form factor
Operating Temp	0 deg C to +55 deg C
Power Consumption	5 W
Interface Standards	RS-232 / RS-485 (Field configurable)
Communication Ports	2 x Serial (COM3, COM4)
Protocol Support	Modbus RTU

Backplane Bus Communication Velocity and Network Determinism

The 07KP93 manages protocol processing independently of the main PLC CPU, preventing communication overhead during high-frequency data polling. To maintain network determinism, the module uses dedicated serial buffers that handle asynchronous Modbus RTU frames, ensuring that timing constraints are met even when multiple slave devices are polled concurrently. The integration of high-speed serial interfaces allows for I/O density scaling within the AC31 architecture, enabling the aggregation of data from distributed field devices into the primary controller. Firmware stability is maintained through internal watchdog timers, which trigger a safe-state execution in the event of an interface bus hang or communication timeout.

Frequently Asked Questions

Q: Can the 07KP93 serial ports be configured for different interface standards simultaneously?

A: Yes, the two ports (COM3 and COM4) are independently field-configurable. You may set one to RS-232 for local programming or diagnostic access, while the other is set to RS-485 for long-distance Modbus RTU field communication.

Q: Does the 07KP93 support hot-swapping on the AC31 rack?

A: No, the 07KP93 is not designed for live insertion. The AC31 controller and the associated power supply must be de-energized before removing or installing the module to avoid damage to the backplane pins and communication interface circuits.

Field Installation Guidelines

Mount the module onto a 35 mm DIN rail, ensuring the locking clip is fully engaged to maintain structural stability under vibration.
Verify the supply voltage at the 24 VDC terminals before connection; ensure the wiring uses appropriate gauge and is shielded to mitigate electromagnetic interference.
If utilizing RS-485, ensure proper termination resistors (typically 120 ohms) are applied at both physical ends of the communication line to prevent signal reflection.
Confirm serial interface settings (baud rate, parity, stop bits) via the AC31 engineering software to match the connected slave devices.
Observe the front panel LED indicators: "RUN" should be illuminated steadily, while "COM" LEDs should flicker in proportion to active data traffic.

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