The 1756-IF6CIS from Allen-Bradley’s ControlLogix family is a high-isolation analog input module engineered for demanding process control and monitoring tasks. This 6-channel module delivers exceptional accuracy and noise immunity through per-channel galvanic isolation, making it ideal for applications where signal integrity is critical, such as chemical processing, power generation, and oil & gas. Each channel can be independently configured for voltage or current inputs, with full 16-bit resolution and software-selectable ranges. The module integrates seamlessly into any 1756 chassis, leveraging the ControlLogix backplane for deterministic data exchange with Logix5000 controllers. With built-in diagnostics and fault detection, the 1756-IF6CIS ensures reliable operation under extreme conditions, from 0°C to 60°C, and complies with global safety and EMC standards. This module is a robust choice for engineers requiring precision, isolation, and flexibility in their automation architecture.
| Parameter |
Specification |
| Product Type |
Isolated Analog Input Module |
| Series |
ControlLogix (1756) |
| Number of Channels |
6 (differential, isolated) |
| Input Ranges (Voltage) |
±10V, ±5V, 0-10V, 0-5V, 1-5V |
| Input Ranges (Current) |
0-20mA, 4-20mA |
| Resolution |
16 bits (including sign bit for bipolar ranges) |
| Isolation Voltage |
1000V DC per channel (channel-to-channel and channel-to-backplane) |
| Accuracy |
±0.1% of full scale at 25°C (typical) |
| Update Rate |
10 ms per channel (all channels scanned sequentially) |
| Input Impedance |
Voltage: >1 MΩ; Current: 250 Ω (internal shunt) |
| Common Mode Rejection Ratio (CMRR) |
>100 dB at 50/60 Hz |
| Diagnostics |
Open-circuit detection, under-range/over-range, module health status |
| Backplane Current |
5V Standard Models 750 mA; 24V Standard Models 0 mA (powered from chassis) |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Vibration Resistance |
5 g Standard Models 10-500 Hz (operational) |
| Shock Resistance |
30 g (11 ms half-sine) |
| Certifications |
CE, UL 508, CSA C22.2 No. 142, ATEX (Zone 2) optional |
| Mounting |
1756 chassis (any slot, hot-swappable) |
| Weight |
Approx. 0.45 kg (1.0 lb) |
| Dimensions (H x W x D) |
144 mm x 36 mm x 105 mm (5.67 in x 1.42 in x 4.13 in) |
| Compatible Controllers |
1756-L7x, L8x, L6x (Logix5000 family) |
| Wiring |
Removable terminal block (RTB), 20-pin |
| Special Features |
Per-channel isolation, software-configurable filters, real-time calibration |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22