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Catalog #: 1756-CFM
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ControlLogix Config Flowmeter Module
Catalog #: 1756-CFM
Best Selling
ControlLogix Config Flowmeter Module
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Technical Specifications
Electrical
Suitable for safety functions | No |
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Digital inputs configurable | Yes |
Digital outputs configurable | No |
Voltage type of supply voltage | DC |
Type of electric connection | Screw connection |
Total backplane power | 1.7 W |
Thermal dissipation | 20.4 BTU/h |
Current draw | 300 mA @ 5.1V, 16 mA @ 24V |
Module keying | Electronic, software configurable |
Outputs | 2 current sourcing |
Power dissipation, max | 6 W @ 60 °C (140 °F) |
Inputs | Two flowmeters (F) inputs used for all modes, Two gate inputs used in Totalizer mode for prover/store count, 4 (2 per channel) |
Isolation voltage | 250V (continuous), reinforced insulation type, I/O-to-backplane, 250V (continuous), basic insulation type, I/O group-to-group |
Wire category | 2 on signal ports, 1 on power ports |
Redundancy | No |
Short-circuit protection, outputs available | No |
High resolution, max | 100 kHz |
Frequency | Resolution: 0.0005 Hz |
Mechanical
Slot width | 1 |
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RTB keying | User-defined mechanical |
Shock | Operating: 30 G, Non operating: 50 G |
Vibration | 2 G @ 10...500 Hz |
Environmental
Surrounding air temperature, max | 60 °C |
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North American temperature code | T4 |
Emissions | IEC 61000-6-4 |
ESD immunity | 6 kV contact discharges, 8 kV air discharges |
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 |
EFT/B immunity | ±4 kV at 5 kHz on unshielded output and power ports, ±4 kV at 5 kHz on shielded input ports |
Operating temperature | 0 to 60 °C |
Surge transient immunity | ±1 kV line-line (DM) and ±2 kV line-earth (CM) on unshielded output and power ports, ±2 kV line-earth (CM) on shielded input ports |
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 |
Nonoperating temperature | -40 °C |
Output Specifications
On-state voltage drop, max | 0.6 Ω x current |
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Off-state leakage current, max | <300 µA @ 31.2V DC |
Reverse polarity protection | Outputs only |
Output switching time | <50 μs turn on, <300 μs turn off, Outputs triggered by Total, all other “turn-on” and “turn-off” times <1 ms |
Output control | Any number of outputs is assignable to any of two flowmeter channels each output can have 2 “turn-on” and “turn-off” preset values |
Output type | IEC 1 A 24V DC |
Output voltage source | Customer supplied |
Overload current | Electronic (<4 A) |
Surge current | 2 A @ 50 ms, repeatable every 2s |
Output current per point | 1 @ 10...31.2V DC, 20 mA @ 4.5...5.5V DC |
Output reverse polarity protection | Yes (if wired incorrectly, module outputs can be permanently disabled.) |
Output short circuit protection | Electronic (no indication of fault. remove overload and toggle output on/off to restore.) |
Output voltage range, nom | 5V operation: 4.5...5.5V DC for 3...20 mA load per point, 12/24V operation: 10...31.2V DC for 40 mA...1 A load per point |
Input Specifications
Input frequency, max | 100 kHz @ flowmeter inputs (overrange occurs at 100 kHz) |
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Gate input on-state current, min | 4 mA |
Gate input on-state current, nom | 15 mA |
Input sampling period | User selectable |
Count range, max | 2, 147, 483, 647 |
Flowmeter input impedance | 5 kΩ ±30% resistive |
Mechanical filter debouncing (Z0 & Z1 Inputs) | Software selectable |
Gate input voltage range | 5V operation: 4.5...5.5V DC, 12/24V operation: 10...26.4V DC |
Filtering (inputs F0 & F1) | Firmware selectable: high-speed 100 kHz or low-pass filter for frequencies <70 Hz |
Flowmeter input voltage | ±30V, selectable input thresholds of 50 mV, 1.3V and 4V: ±30V peak unterminated open circuit voltage, magnetic pickup, TTL compatible, input voltage >1.3V DC is Logic 1 and -0.7...1.3V DC is Logic 0, 12...24V DC powered preamp output, 4V DC threshold |
Construction
Totalizer fill and prover | Yes |
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Enclosure type | None (open-style) |
Documentation
RESOURCE | PUBLICATION NUMBER |
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Technical Data | 1756-TD002 |
Find more technical documentation for this product in the
Technical Documentation Center.
Documentation
TYPE | Technical Data |
---|---|
PUBLICATION NUMBER | 1756-TD002 |
Find more technical documentation for this product in the
Technical Documentation Center.
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