UDC3500 universal digital controller specification …

1 51-52-03-40. March 2007. Page 1 of 16. UDC3500 . universal digital controller specification Overview New Power and Flexibility The UDC3500 universal digital controller packs new powerful features in the popular 1/4 DIN size. Unmatched application power includes: Infrared (IR) Configuration interface, three universal analog inputs, two loops of control and two Math Algorithms. When these are combined with the Accutune III tuning with fuzzy logic overshoot suppression, the result is price/performance leadership. Application flexibility is assured by the universal analog inputs, universal AC. power supply, four digital inputs, a maximum of seven analog and digital outputs, Infrared, RS422/485 Modbus RTU or Ethernet 10 Base-T TCP/IP. Modbus communication protocols, simple configuration plus total field upgrade capability for any optional Figure 1 - UDC3500 universal digital controller feature. Features Analog Inputs Analog Inputs (continued).

2 3 universal Analog Inputs (can be The UDC3500 has up to three All actuations and characterizations configured to operate as 1 universal analog inputs with a typical are keyboard configurable. A separate universal and 4 High Level Inputs) accuracy of of full-scale input Cold Junction compensator is Accuracy and a typical resolution of 16 bits. provided for each thermocouple type Fast scanning rate (166ms) These can easily be configured to analog input, thus maximizing operate as 2 universal and 2 High accuracy. Upscale, downscale or Up to 3 Analog Outputs Level or as 1 universal and 4 High failsafe sensor break protection is Up to 5 digital Outputs Level inputs. All analog inputs are keyboard configurable. Square Root 4 digital Inputs sampled six times per second (every Extraction, Ratio/Bias and a Math Functions 166 milliseconds). The first, or Process configurable digital filter of 0 to 120. Ethernet or RS-485 communication Variable input, can be one of various seconds for signal damping are Cascade or 2 Loops of control thermocouple, RTD, Radiamatic or available for each input.

3 Infrared PC & Pocket PC linear actuations as shown in Table 1. Linear actuations have thermocouple, See Table 1 for other details. configuration RTD and Radiamatic transmitter Healthwatch Maintenance Tool Math Functions (Option). characterization capability as a NEMA4X and IP66 front face standard feature. Linear actuations Algorithms Two pre-configured protection also have square root capability. algorithms are available for easy Multilanguage prompts implementation. The following The optional second and third inputs are selections are available: DIN Size isolated from each other and all other Easily Field Upgradeable circuits and accept the same actuations Feedforward Summer Uses any Bright, dual displays with multi- as input one. These optional inputs can input, followed by a Ratio/Bias language prompts (in English, each be split into two high level inputs. calculation, summed directly with the French, German, Spanish, or The fourth input is enabled by first computed PID output value to provide Italian) make the operator interface configuring Input 2 as a 20 mA or 5 Vdc a resultant output to the final control easy to read, understand, and input type (High Level Analog Input element (standard feature).)

4 Operate. Simple keystrokes let you HLAI). Input 4 is then available as a Feedforward Multiplier Uses any set operating parameters that meet high level input. The fifth input is input, multiplied by the calculated PID. your process control needs. enabled by first configuring Input 3 as a output to provide a resultant output, 20 mA or 5 Vdc type (HLAI). Input 5 is which is sent to the final control then available as a high level input. element (standard feature). Honeywell Process Solutions, 512 Virginia Drive, Fort Washington, PA 19034. Printed in Copyright 2007 Honeywell 51-52-03-40. Page 2. Math Functions (Option) continued Outputs and Control Outputs and Control (continued). Weighted Average Averages any two Output Types The UDC3500 may Output Algorithms, continued inputs to derive the PV or SP (standard have as many as seven analog and feature). digital outputs made up of two or more of Relay/Current Duplex the following types: (Relay=Cool) A variation of Summer/Subtractor Will add or Duplex with Current active for 50 to subtract up to three inputs with the result Current Outputs (4-20 or 0-20 mA) 100% output and Relay active for 0.

5 Used as the derived PV or SP. Electromechanical Relays (5 amps) to 50% output. Multiplier/Divider Uses the analog Solid State Relay (1 amp). inputs to calculate a derived PV or SP. Dual Electromechanical Relays (2 Control Algorithms Depending on Available with or without Square Root. amps) the output algorithms specified, the Input High/Low Select Specifies the Open Collector Output (20 mA) controller can be configured for the PV or SP as the higher or lower of the Output Algorithms The UDC3500 is following control algorithms: two inputs. available with one or more of the On-Off following output algorithms: 8 Segment Characterizers Two 8- PID-A. segment characterizers are available Time Proportional provides On-Off PID-B. that can be applied to any Analog or Time Proportional (Relay) output. PD with Manual Reset Input, to Loop 1 Output or to Loop 2. Output. These can be linked together Current Proportional supplies Three Position Step Control (TPSC).

6 To produce a single 16-segment proportional direct current output for The TPSC algorithm is a form of motor characterizer. those final control elements that control that does not require a feedback require a 4-20mA signal. Output can Polynomial Curve Characterizer A slidewire linked to the motor shaft. be easily configured via the fifth order polynomial equation can be Similar to Position Proportional control, keyboard for 0-20mA operation used on any one of the analog inputs. TPSC uses two relays to control an without recalibration. Totalizer Calculates and displays the electric motor; one to drive the motor total flow volume as measured by one of Position Proportional positions a upscale and the other to drive the motor the analog inputs or as derived by either reversible motor with a feedback slidewire in proportion to the output downscale. TPSC is an automatic back- Math algorithm. Displayed value is eight up mode to Position Proportional digits with a configurable scaling factor.

7 Of the control algorithm. Requires the Dual Relay Output option and Control if the feedback slidewire signal The totalizer value may be reset. the Third Analog Input. Not available should fail. TPSC requires the Dual Combinational Inputs Inputs can on Loop 2. Relay Output Option. TPSC is not be combined for use with Relative available on Loop 2. Humidity, % Oxygen, Carbon Current Proportional Duplex . Potential, Dewpoint or Math Similar to current proportional but Dual Loop Internal Cascade Algorithms. This controller can accept provides a second set of tuning (Optional) Two independent loops or carbon probes from Cambridge, parameters and a split range current internally cascaded loops in one device. Marathon Monitors, Corning, , output or a second current output Includes Output Override Algorithm. Barber Coleman, MacDhui, Bricesco via one of the optional current or Furnace Controls. See Table 1 for outputs, for the heat and cool zones.

8 Five Control Modes The following other details. control modes are available: Time Proportional Duplex 1. Manual (one or two loops). Logic Gates Five Logic Gates Depending on which control configurable as OR, NOR, AND, NAND, 2. Automatic with Local Setpoint algorithm you select, this duplex XOR, XNOR, or COMPARATOR. Each output algorithm can provide On-Off (one or two loops). Gate has two inputs and one output. Duplex, Time Proportional Duplex, 3. Automatic with Remote Setpoint Logic Gates may be linked together to or Three Position Step Control (one or two loops). perform more complex functions. (TPSC). The Time Proportional 4. Manual Cascade Duplex output algorithm provides 5. Automatic Cascade two independent PID tuning sets Communications and two time proportional outputs;. An infrared communication link is one for heat zone above 50%. standard on the UDC3500 , which allows output, and one for cool zone below a non-intrusive configuration of the 50% output.

9 Requires the Dual instrument via Honeywell Process Relay Output option. Instrument Explorer ( ) software. Current/Relay Duplex RS-422/485 Modbus RTU or Ethernet (Relay=Heat) A variation of TCP/IP Modbus communications links Duplex with Current active for 0 to are available as options. These allow 50% output and Relay active 50 to communications between the UDC3500 100% output. and a host computer or PLC. The Second Current Output option is mutually exclusive with the Ethernet Communications option. 51-52-03-40. Page 3. digital Inputs (Option) Miscellaneous Features (continued) Miscellaneous Features (continued). Four isolated digital inputs are provided Transmitter Power This option Setpoint Rate Lets you define a for remote dry contact closure to select provides up to 30 volts dc to power a 2- ramp rate to be applied to any local one of the following actions: wire transmitter (requires the use of setpoint change.)

10 A separate upscale or Manual control mode Output #2 open collector output selection downscale rate is configurable. A single or one of the current outputs). setpoint ramp is also available as an Local Setpoint 1. Four Local and one Remote Setpoints alternative. Local Setpoint 2. Each loop can be configured to provide Output Rate Limiter A maximum Local Setpoint 3 four Local Setpoints and one Remote Local Setpoint 4 output rate may be configured for both Setpoint, which can be automatically or the upscale and the downscale output Remote Setpoint manually selectable either via the directions. Direct controller action keyboard or by digital Input. Data Security Five levels of Hold SP Ramp/Program universal Switching Power Operates keyboard security protect tuning, Run - SP Ramp/Program on any line voltage from 90 to 264 Vac configuration, and calibration data, ReRun - SP Ramp/Program 50/60 Hz without jumpers.