Industrial Automation
ControlLogix 4 Point Analog Comb Module






| Input, current | Yes | 
| Input, voltage | Yes | 
| Input, resistor | No | 
| Input, resistance thermometer | No | 
| Input, thermocouple | No | 
| Input signal, configurable | Yes | 
| Output, current | No | 
| Output, voltage | No | 
| Output signal configurable | No | 
| Analogue inputs configurable | Yes | 
| Analogue outputs configurable | No | 
| Type of electric connection | Screw-/spring clamp connection | 
| Output range | ñ10V, 0â⬦20 mA | 
| Terminal block torque specifications | 1756-TBCH: 0.5 Nm (4.4 lb.in) | 
| Input conversion method | Successive approximation | 
| Module keying | Electronic, software configurable | 
| Offset drift | 50 õV/ðC, 1 õV/ðC | 
| Output conversion method | R-Ladder DAC, monotonicity with no missing codes | 
| Drive capability | Voltage: >2000 é, Current: 0...750 é | 
| Input range | ñ10V, 0...10V, 0...5V, 0...20 mA | 
| Data format | Integer mode (left justified, 2 s complement) IEEE 32-bit floating point | 
| Wire category | 2 - on signal ports | 
| Overvoltage protection | Voltage: 30V DC, input, Current: 8V AC/DC, input, Output: 24V DC | 
| Module error | Input: 0.2% of range, Voltage: 0.2% of range, output, Current: 0.3% of range, output | 
| Gain drift with temperature | Voltage: 25 ppm/ðC maximum, input, Current: 35 ppm/ðC maximum, input, Voltage: 25 ppm/ðC maximum, output, Current: 50 ppm/ðC maximum, output | 
| Voltage and current ratings | Backplane: 375 mA @ 5.1V DC, 100 mA @ 24V DC, Analog inputs: -10...+10V, 4...20 mA, Analog outputs: -10...+10V, 4...20 mA | 
| Module scan time | 300 õs minimum | 
| Thermal dissipation | Voltage: 14.66 BTU/hr, Current: 16.02 BTU/hr | 
| Current draw | 375 mA @ 5.1V, 100 mA @ 24V | 
| Power dissipation | Voltage: 4.3 W, Current: 4.7 W | 
| Resolution | Input: Approx 14 bits across ñ10.5V DC (21V total), ñ10.5V range: 1.3 mV/bit, 14 bit effective, 0...10.5V range: 1.3 mV/bit, 13 bit effective, 0...5.25V range: 1.3 mV/bit, 12 bit effective, Approx 12 bits across 21 mA, 0...21 mA range: 5.25 üA/bit, Output | 
| Wire size | Single wire connection (1756-TBCH): 0.33...2.1 mmò (22...14 AWG) solid or stranded shielded copper wire, rated at 105 ðC (221 ðF) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mmò (22...14 AWG) solid or | 
| Calibrated accuracy | Input: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 ðC (77 ðF), Output: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 ðC (77 ðF) | 
| Open circuit detection time | Input: Positive full-scale reading within 1 s, Output: Current output only (output must be set to >0.1 mA) | 
| Suitable for safety functions | No | 
| Update period for all channels (RPI), min | 1 ms | 
| Number, output | 2 high-speed voltage or current | 
| Number, input | 4 high-speed, submillisecond, differential | 
| Short circuit protection | Electronically current limited to 21 mA or less | 
| Output settling time | <2 ms to 95% of final value with resistive loads | 
| Surrounding air temperature, max | 60 ðC | 
| North American temperature code | T4A | 
| Power consumption | 4.3 W | 
| Emissions | IEC 61000-6-4 | 
| ESD immunity | 6 kV contact discharges, 8 kV air discharges | 
| EFT/B immunity | ñ2 kV at 5 kHz on shielded signal ports | 
| Relative humidity | 5...95% noncondensing | 
| Conducted RF immunity | 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports | 
| Surge transient immunity | ñ2 kV line-earth (CM) on shielded signal ports | 
| Operating temperature | 0 ðC | 
| Radiated RF immunity | 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2700...6 | 
| Nonoperating temperature | -40 ðC | 
| RTB keying | User-defined mechanical | 
| Vibration | 2 G @ 10...500 Hz | 
| Shock | Operating: 30 G, Non operating: 50 G | 
| Slot width | 1 | 
| Calibration interval | Input: 12 months, Output: 12 months | 
| ATEX temperature code | T4 | 
| IECEx temperature code | T4 | 
| Repeatability | ñ1 least significant bit (LSB) | 
| Input impedance | Voltage: >1 Mé, Current: 249 é | 
| Isolation voltage | 250V (continuous), Reinforced insulation type, inputs and outputs to backplane, No isolation between individual inputs or outputs | 
| Enclosure type rating | None (open-style) |