Description
ABB CI627A Communication Interface Module Product Documentation
The
ABB CI627A is a high-performance
communication interface module designed for industrial automation systems, particularly in distributed control systems (DCS) and PLC networks. As part of ABB’s
AC500 series, this module integrates advanced protocol handling and robust connectivity to ensure seamless data exchange between control systems and peripheral devices. With its compact design and rugged construction, the
CI627A supports real-time monitoring, fault diagnostics, and flexible integration into complex industrial environments.
Parameter |
Specification |
Input Voltage |
24 VDC ±10% (control power) |
Communication Protocols |
Modbus RTU, Profibus DP, Ethernet/IP |
Control Functions |
Protocol conversion, data routing, redundancy management |
Response Time |
<100 ms (data transmission) |
Operating Temperature |
-25°C to +70°C (-13°F to 158°F) |
Enclosure Rating |
IP20 (front), IP54 (rear) |
Dimensions |
115 x 85 x 55 mm (4.5 x 3.3 x 2.2 in) |
Mounting |
DIN rail (35 mm) or panel |
Certifications |
CE, UL, IEC 61000-6-2 (EMC) |

CI627A
The CI627A excels in:
- Manufacturing: Machine-to-machine communication in automotive assembly lines.
- Energy: Grid stabilization in renewable energy plants (solar/wind).
- Process Industries: Integration of distributed control systems in chemical and pharmaceutical facilities.
Case Study:
A European cement plant upgraded its kiln control system with CI627A modules. The module’s multi-protocol support and real-time data exchange reduced production delays by 25%, saving $80,000 annually in operational costs.
Feature |
ABB CI627A |
Market Average |
Protocol Support |
3+ protocols |
1–2 protocols |
Response Time |
<100 ms |
150–200 ms |
Temperature Range |
-25°C to +70°C |
0°C to +60°C |
Lifecycle Cost |
$0.75/kFunction* |
$1.10/kFunction* |
(Based on 10-year lifecycle costs) |
|
|

CI627A
- Environment: Choose the CI627A for outdoor or high-temperature sites (e.g., steel mills, desert solar farms).
- Integration: Opt for models with Ethernet/IP for smart grid projects; select Modbus versions for legacy PLC systems.
- Scalability: Pair with ABB’s modular I/O units for projects requiring additional channels.
- Wiring: Use twisted-pair cables for signal connections to minimize noise; torque terminals to 1.5 N·m.
- Commissioning: Use ABB’s Control Builder M for quick setup; verify voltage/current polarity during initial testing.
- Safety: Power down the system before replacing modules; wear ESD-protective gear during handling.
- Firmware: Update annually via USB or Ethernet to access new features (e.g., enhanced security protocols).
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for
ABB CI627A and automation solutions. Visit
www.xydcontrol.com or contact us for technical support.
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