Product Name:I/O Base Controller
Brand Name: SIEMENS
Model Number:549-214
Country of Origin:GERMANY
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
SIEMENS |
Model Number: |
549-214 |
Country of Origin: |
GERMANY |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Manufacturer |
Siemens Building Technologies, Inc. (formerly Texas Instruments) |
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Model Number |
549-214 |
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Product Type |
Analog Point Expansion Module (APX) / Analog I/O Expansion Module |
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Product Series / Family |
APOGEE® Automation System; SIMATIC 505; Point Expansion Module (PXM) |
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Number of Inputs / Outputs |
4 Analog Inputs (4AI) + 4 Analog Outputs (4AO) (Mixed analog I/O hybrid module) |
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Analog Input Signal Ranges |
0–10V DC, ±10V DC, 0–20mA, 4–20mA, 1K RTD (user-selectable per channel) |
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Analog Output Signal Ranges |
0–10V DC, 0–20mA, 4–20mA (user-selectable per channel) |
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Signal Conversion |
12-bit A/D resolution; Analog Output uses 12-bit D/A (12-bit DAC) |
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Accuracy (25 °C) |
±0.1% of full scale (typical) |
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A/D Conversion Method |
Successive approximation |
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Channel Update Time |
0.39 seconds for four input channels |
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Output Load |
Voltage output: min. 5 kΩ; Current output: max. 500 Ω |
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Communication Networks |
MEC Point Expansion Bus or P1 Field Level Network (FLN) (RS-485) |
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Communication Speed |
4800 bps to 38.4 kbps (configurable) |
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Power Supply |
24 V AC (±20%; 19.2–26.4 V AC, 50/60 Hz), or 24 V DC sensor power output (400 mA max) |
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Power Consumption |
17 VA @ 24 V AC (typical) |
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Internal Power Consumption (from backplane) |
5V DC (depends on backplane supply) |
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Operating Temperature |
0°C to +49°C (+32°F to +120°F) |
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Storage Temperature |
-40°C to +70°C |
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Relative Humidity |
5% to 93% RH, non-condensing |
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Enclosure |
NEMA 1 enclosure |
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Front Panel IP Rating |
IP20 (typical for indoor controllers) |
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Dimensions (W x H x D) |
9.5" x 6" x 3.75" (241 mm x 152 mm x 95 mm) |
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Weight (approx.) |
1.32 lbs / 0.6 kg |
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Mounting |
Building wall or structural member (indoor mounting) |
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Agency Listings |
UL 864 (UUKL, UDTZ, QVAX), UL 916 (PAZX), ULC-C100 (UUKL7), CE (European Directives), FCC |
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Certifications |
CE, FCC, Australian EMC Framework, European EMC and Low Voltage Directives (LVD) |
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Status Indication |
LEDs for input/output status, power, and communication |
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Installation Location |
SIMATIC 505 (TI505/TIU305) local chassis I/O slot (505-TIU305 rack) |
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Programming Software |
Texas Instruments TISOFT |
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RoHS Status |
Not available (legacy product) |
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Lifecycle Status |
Discontinued (End of Product Lifecycle); no direct replacement product announced |
The Siemens 549-214 is an Analog Point Expansion Module (APX) designed for the APOGEE® Automation System and SIMATIC 505 (Texas Instruments TI505) platform. This Siemens 549-214 APX provides 4 universal analog inputs and 4 analog outputs with user-selectable 0‑10V, 4‑20mA or RTD signal ranges.The Siemens 549-214 supports both voltage and current signals at 12‑bit resolution and ±0.1% accuracy. With LED status indicators and flexible FLN bus connectivity, the 549-214 enhances system I/O capacity while keeping field wiring close to sensors and actuators.
Factory automation lines
Building automation systems (HVAC)
Process monitoring and control
Legacy system upgrades
Small to medium I/O expansion
Mixed 4AI/4AO hybrid module design
Universal analog input (volt/current/RTD) [7†L9-L11]
Analog output (volt/current)
User-selectable signal ranges per channel [7†L10-L11]
12-bit resolution and ±0.1% accuracy
LEDs for status indication
Removable terminal blocks for easy wiring
Optional Hand-Off-Auto (HOA) switches per point
MEC Expansion Bus or P1 FLN communication [1†L6-L9]
Wall‑mountable NEMA 1 enclosure
Expands analog I/O points for MEC or FLN‑based field panels
Acquires voltage/current/RTD sensor signals
Converts analog inputs to digital data for the controller
Receives digital commands and converts them to analog outputs
Provides manual override via optional HOA switches
Sends status and alarms through the FLN network to supervisory controllers
Monitors LEDs for quick diagnostics
Q1: What is the Siemens 549-214 used for?
A1: The Siemens 549-214 is an analog point expansion module for the APOGEE® system, adding 4 analog inputs and 4 analog outputs to a field panel via the MEC expansion bus or P1 FLN.
Q2: What signal types does the 549-214 support?
A2: The Siemens 549-214 supports 0‑10V, ±10V, 0‑20mA, 4‑20mA and 1K RTD for inputs; outputs support 0‑10V, 0‑20mA and 4‑20mA.
Q3: Is the 549-214 still available from Siemens?
A3: Siemens has discontinued the 549-214; availability is limited to remaining stocks and third‑party suppliers for legacy system maintenance.
Q4: What is the power requirement of the 549-214?
A4: The 549-214 requires 24 V AC (19.2–26.4 V, 50/60 Hz) and typically consumes 17 VA.
Q5: Does the 549-214 include Hand-Off-Auto switches?
A5: The 549-214 (with HOA) version includes Hand-Off-Auto switches for manual output control; a non‑HOA version is also available.
Inguiry Now: [email protected]
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