Features:
- Four independent 4–20 mA inputs accept four-wire transmitters.
- HART v6.0 data travels with the analog process value.
- Channel diagnostics distinguish loop faults from module conditions.
Siemens 6ES7134-7TD50-0AB0 links four HART field transmitters to an ET 200iSP station.
Its converter turns each loop current into controller data while preserving HART access for device parameters.
Configured alarms and status LEDs expose wire-break and limit conditions during operation.
The Siemens 6ES7134-7TD50-0AB0 article is the four-input, four-wire HART version; two-wire transmitter versions use different order numbers.
Siemens 6ES7134-7TD50-0AB0 ET 200iSP 4-Channel HART Analog Input Module Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Four-Channel Input Organization
- Channel count: Four current inputs are processed independently.
- Signal path: Each four-wire transmitter supplies a 4–20 mA loop signal.
- Input loading: The module presents the documented 295 Ω input resistance.
- Wiring: Shielded field cable may extend to the documented 500 m limit.
Conversion and Filtering
- Converter: Sigma-Delta conversion produces a 12-bit value plus sign.
- Cycle: All four channels complete within the stated 120 ms maximum.
- Suppression: 50 Hz or 60 Hz rejection targets mains-related interference.
- Smoothing: None, low, medium, and high settings balance speed and stability.
HART Data Path
- Protocol: HART version 6.0 communication shares the analog loop.
- Device access: The controller can reach transmitter variables and parameters through the module.
- Analog value: The 4–20 mA process value remains available while HART messages are exchanged.
- Selection: The field transmitter and station configuration must use the four-wire HART arrangement.
Alarm and Fault Indication
- Wire break: A loop below the documented current threshold can raise a diagnostic.
- Limit alarm: Upper and lower limits can be parameterized per channel.
- Module state: Status LEDs separate channel activity from module diagnostics.
- Commissioning: Alarm enablement must match the controller diagnostic configuration.