CI627A 3BSE017457R1 ABB Dedicated Profibus DP Communication Interface Module
Description:
The CI627A 3BSE017457R1 is a dedicated Profibus DP communication interface module for the ABB AC 800M controller system. It enables the AC 800M controller to exchange data with various on-site devices such as frequency converters, remote I/O stations, intelligent instruments, and valve positioners through the Profibus DP fieldbus.
The CI627A 3BSE017457R1 is directly inserted into the backplane slot of the AC 800M controller chassis and is powered by the backplane. No external power supply is required. Its operating temperature range is 0°C to 60°C, and the protection level is IP20. It should be installed in the control cabinet for use. The front panel is equipped with LED status indicators such as RUN and ERR, facilitating quick on-site determination of the module's operating status.
Other Module:
N/M | N/M |
2000729-001 | AO610 3BHT300008R1 |
IS220PTURH1A | IOC4T 200-560-000-113 |
IS420UCSCH1A | PM866AK01 3BSE076939R1 |
CMA123 3DDE300403 | 330180-50-00 |
Product advantages:
The CI627A is typically used as the master station, directly managing various Profibus slave station devices below. When it is necessary to integrate with third-party control systems such as Siemens S7 or Rockwell PLC, it can also be configured as a slave station, allowing other master stations to access the data of the ABB controller as if reading and writing local I/O.
The CI627A integrates an independent communication coprocessor internally. All Profibus protocol stacks are processed within the module, without occupying the resources of the main controller CPU, ensuring the overall response speed of the control system.
The CI627A also has reliable isolation and diagnostic capabilities. The backplane bus of the module is electrically isolated from the Profibus port with a voltage range of 500V to 2500V AC, effectively suppressing ground loops and common-mode interference, and is particularly suitable for cabinet environments with large power frequency converters. The module can also provide detailed network diagnostic information, helping engineers detect potential problems such as cable attenuation and missing terminal resistors before communication interruption.
Operating Instructions
Configuration setup: In the master station mode, the latest GSD file provided by the equipment manufacturer must be used. Older versions often lack diagnostic information. The slave station addresses should be consecutively numbered to avoid skipping numbers and to improve bus efficiency. During debugging, start with a low baud rate and gradually increase it to the designed rate once all slave stations are stable.
Cables and wiring: Purple Profibus dedicated cables must be used. Ordinary shielded cables will cause signal reflection. The terminal resistors can only be placed at the physical beginning and end of the bus, and intermediate nodes must not be enabled. If there are more than 32 sites, a repeater must be added. At a 12 Mbps rate, the recommended distance between adjacent sites is no more than 100 meters, and the signal line should be at least 200mm away from the power cable.
Fault troubleshooting: When communication is abnormal, first measure the DC voltage between A and B with a multimeter and confirm that the terminal resistors at both ends have been turned on. When some slave stations intermittently disconnect, check for loose connections or shield grounding issues first. When replacing modules, pay attention to verifying whether the new and old firmware versions are compatible. Version differences may cause the configuration to fail to recognize.
Our Other Products Include:
ABB: 07AI91 07AC91 07KT97 AI880A CI840A DI810 DO810 EI803F IMDSI02 PM152 PM861AK01 SD823 etc.
ICS: T8191 T8403 T8311 T8431 T8461 T8800 T8110B T8293 T8830 T8846 T8850 etc.
Allen-bradley: 1746-IB16 1746-N2 1746-NT4 1746-OB16 1746-OV16 1747-M11 1756-N2 1794-IB16 etc.
GE: IC660BBD120 IC670ALG630 IC670MDL241 IC670MDL740 IC693MDL645 IC697BEM731 IC660BBD020 etc.
Schneider: 140CHS11000 140DDI85300 140XTS00200 140NRP95400 416NHM30030A etc.
Yokogawa: AAI143-S00 AAI543-S00 AAM21-S2 VI702 AAM21-S2 ADV551-P00 ADV151-P00 PW482-10 etc.
Bently Nevada: 125720-01 125760-01 125840-01 128229-01 138708-01 146031-01 330180-50-00 etc.
EPRO: CON 041 PR6423/002-030 MMS6312 CON 021 PR6423/000-000 MMS6110 PR6423/000-030 etc.
Bachmann: CM202 DIO248 EM203 FM211 LM201 MX213 NT255 RS204 DO232 AIO288 etc.
Emerson: KJ3203X1-BA1 KJ3221X1-BA1 KJ3222X1-BA1 A6120 KJ2003X1-BA2 KJ4001X1-CA1 KJ4001X1-CJ1 KJ2201X1-HA1 etc.
And other products with mass inventory!!!
