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PRO-16 Danaher

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The Danaher PRO-16 is part of the Thermal Controllers series and supports up to 32 controllers per bus. It features an input resolution greater than 14 bits and a program capacity of 16 by 16 segments. The controller offers front protection rated at IP65 and has a scan cycle of 100 ms.

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Product Description:

The PRO-16 is a temperature controller produced by Danaher within the Thermal Controllers series. Designed for panel mounting in automated machinery, it receives thermocouple, RTD, current, and voltage signals, processes them digitally, and energizes relays or solid-state outputs to keep process temperatures within user-defined limits. In heating, cooling, or mixed loops, the unit maintains stable conditions while its protected fascia allows installation on exposed operator stations.

A sealed keypad and display provide IP65 front protection, so washdown fluids and dust do not compromise operation. The analog section converts sensor levels with an input resolution above 14 bits, which reduces quantization error during closed-loop calculations, and the overall linear output error remains within 0.2% of span. Each measurement channel is scanned every 100 ms, providing responsive correction without excessive relay cycling. The electromechanical contacts are rated at 2 A at 250 V for pilot-duty valves or contactors. Thermocouple sources have an impedance of 1 MΩ and a cold-junction inaccuracy below 0.5 K, while RTD excitation current is limited to 1 µA or less. Lead resistance may reach 30 Ω before compensation is affected. Current and voltage input resistances of 49 Ω and 110 kΩ, respectively, accommodate typical transmitter outputs, and linear control signals can be forwarded through the isolated driver.

Up to 32 controllers may be addressed on a single serial bus, allowing multiple zones in ovens or environmental chambers to share one HMI. Recipe logic is stored in nonvolatile EEPROM with a capacity of 16 × 16 segments, allowing the controller to retain programmed sequences when power is removed. The controller executes time-temperature ramps whose shortest dwell or slope interval is 20 ms. For time-proportional actuation, the solid-state relay port supplies 10 V into a minimum load of 500 Ω, providing direct drive for compatible SSR modules. The serial connection reduces the number of separate communication links required in installations with multiple temperature zones.

Cold Junction Error
<0.5 K
Controllers Per Bus
32
Current Input Resistance
49 Ω
Front Protection
IP65
Input Resolution
>14 bit
Linear Output Error
≤0.2%
Memory Type
EEPROM
Minimum Pulse
20 ms
Program Capacity
16 x 16 Segments
Pt100 Lead Resistance
30 Ω Max
Relay Contact Rating
2 A @ 250 V
Scan Cycle
100 ms
Sensor Current
≤1 µA
Ssr Drive
10 V Into 500 Ω Min
Thermocouple Impedance
1 MΩ
Voltage Input Resistance
110 kΩ

Frequently Asked Questions about PRO-16:

Q: What is the front protection rating of the Danaher PRO-16 controller?

A: The PRO-16 thermal controller features front protection rated at IP65 for dust and low-pressure water resistance.

Q: How many controllers per bus can be managed with the PRO-16?

A: The PRO-16 supports up to 32 controllers per bus, allowing for large multi-unit system integration.

Q: What is the input resolution specification for the PRO-16 thermal controller?

A: The input resolution on the PRO-16 is greater than 14 bits, offering fine-grained measurement accuracy.

Q: What is the relay contact rating of the PRO-16 model?

A: This controller provides a relay contact rating of 2 A at 250 V for output switching.

Q: What is the program capacity of the Danaher PRO-16 controller?

A: The PRO-16 offers a program capacity of 16 x 16 segments, providing extensive programmability for complex temperature sequences.


Internal Product Review

  • ‘‘The PRO-16 is a thermal controller with IP65 front protection and 16 x 16 segment program capacity. From a control standpoint, >14-bit input resolution and ≤0.2% linear output error support accurate process regulation. A 100 ms scan cycle makes the unit a strong choice for responsive thermal management.’’

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