Honeywell UDC2500 1/4 DIN Universal Digital Controller
The UDC2500 Universal Digital Controller is a new, low-priced addition to Honeywell’s Controller family. This controller introduces new features in the popular low priced ¼ DIN size while retaining all the reliability, cost effectiveness, simplicity, and popular HMI of Honeywell’s UDC 2300. The UDC2500 monitors and controls temperatures and other variables in applications such as:
• furnaces and ovens
• environmental chambers
• packaging machinery
• plastic processing machines
• 1 Universal Input + 1 high level input
• 0.25% Accuracy
• Fast scanning rate (166ms)
• Up to 5 Analog or Digital Output Types
• 2 Digital Inputs
• Ethernet and Modbus communication
• Infrared PC & Pocket PC configuration
• NEMA4X and IP66 front face protection
• Multilanguage prompts
• ¼ DIN Size
• Jumper free configuration
• Easily Field Upgradable
• Downward compatibility with existing UDC2300 applications
• Limit model
• The standard features include Accutune III™ and the popular single display, automatic mode model. A Dual Display model with Automatic/Manual control modes is optional. A Limit Control model is also available.
• The UDC2500 provides a ¼ DIN sized alternative for many applications. Its features include: Universal AC power supply, optional S422/485 Modbus® RTU or Ethernet 10Base-T TCP/IP communication protocols, input/output isolation, Isolated Auxiliary Current output.
• When these are combined with the Accutune III™ tuning with fuzzy logic overshoot suppression, the result is price/performance leadership.
• Configuration can be done with a PC through communication or with a Pocket PC, using the embedded infra red communication port. No need to get access to the back of the controller to download or upload a brand new configuration!
• For the many thousands of satisfied UDC2300 users, the UDC2500 is downward-compatible with most existing UDC2300 applications.
| CE Conformity (Europe) | This product is in conformity with the protection requirements of the following European Council Directives: 73/23/EEC, the Low Voltage Directive, and 89/336/EEC, the EMC Directive. Conformity of this product with any other "CE Mark" Directive(s) shall not be assumed. | ||
| EMC Classification | Group 1, Class A, ISM Equipment (EN 55011, emissions), Industrial Equipment (EN61326, immunity) | ||
| Method of EMC Assessment | Technical File (TF) | ||
| Declaration of Conformity | 51453655 | ||
| Approval Body Ratings | UL Listed (Standard): UL61010C-1 (UL File# E201698) CSA Certified (Optional): CSA1010-1 FM Approval for Limit Controller Model (Optional): Class Number 3545 |
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| Analog Inputs (One or Two) (See Table 1 for Input Actuations) |
Accuracy: • ± 0.25% of full scale typical (± 1 digit for display) • Can be field calibrated to ± 0.05% of full scale typical • 16-bit resolution typical Sampling Rate: Both inputs are sampled six times per second Temperature Stability: ± 0.01% of Full Scale span / °C change—typical Input Impedance: • 4-20 Milliampere Input: 250 ohms • 0-10 Volt Input: 200K ohms • All Other: 10 megohms Maximum Lead Wire Resistance: • Thermocouples: 50 ohms/leg • 100 ohm, 200 ohm and 500 ohm RTD: 100 ohms/leg • 100 ohm Low RTD: 10 ohms/leg |
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| Analog Input Signal Failure Operation |
Burnout Selections: Upscale, Downscale, Failsafe or None Thermocouple Health: Good, Failing, Failure Imminent or Failed Failsafe Output Level: Configurable 0-100% of Output range |
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| Stray Rejection | Common Mode AC (50 or 60 Hz): 120 dB (with maximum source impedance of 100 ohms) or ±1 LSB (least significant bit) whichever is greater with line voltage applied. DC: 120 dB (with maximum source impedance of 100 ohms) or a ±1 LSB whichever is greater with 120 Vdc applied. DC (to 1 KHz): 80 dB (with maximum source of impedance of 100 ohms) or ±1 LSB whichever is greater with 50 Vac applied. Normal Mode AC (50 or 60 Hz): 60 dB (with 100% span peak-to-peak maximum) |
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| Digital Inputs (Two) (Optional) | +30 Vdc source for external dry contacts or isolated solid state contacts. Digital Inputs are isolated from line power, earth ground, analog inputs and all outputs except for the Second Current Output. On contact closure the controller will respond according to how each digital input is configured. Opening the contact causes a return to previous state. The second Digital Input is mutually exclusive with the Second Current Output. |
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| Digital Displays | Vacuum fluorescent, alphanumeric A four-character upper display dedicated to the process variable (4 digits). Alternate information displayed during configuration mode. A six-character lower display primarily shows key selected operating parameters (4 digits). Alternate information displayed during configuration mode. |
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| Indicators | Alarm Relay Status (ALM 1 or 2) Control Mode (A or MAN) Temperature Units (F or C) Local Setpoint 1 Active (L) Remote Setpoint or Local Setpoint 2 Active (R) Control Relay Status (OUT 1 or 2) |
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| Modes of Operation | Manual Automatic with Local Setpoint Automatic with Remote Setpoint |
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| Mounting | Panel-mounted, 4.5-inch (114 mm) depth | ||
| Table 1 | Table 2 | Table 3 | Table 4 | Table 5 | Table 6 | Table 7 | Table 8 | Table 9 | Table 10 | Table 11 | Table 12 |
| XXXXXX | X | X | X | X | X | X | X | XX | X | X | X |
| Table 1 | KEY NUMBER - UDC2500 Single Loop Controller |
| DC2500 | Digital Controller for use with 90 to 264Vac Power |
| DC2501 | Digital Controller for use with 24Vac/dc Power |
| Table 2 | Specify Control Output and/or Alarms-Output #1 |
| 0 | None(Can be used as an indicator only) |
| C | Current Output (4 to 20ma, 0 to 20 ma) |
| E | Electro Mechanical Relay (5 Amp Form C) |
| A | Solid State Relay (1 Amp) |
| T | Open Collector transistor output |
| R | Dual 2 Amp Relays (Both are Form A) (Heat/Cool Applications) |
| Table 3 | Specify Control Output and/or Alarms-Output #2 |
| 0 | No Additional outputs or Alarms |
| B | One Alarm Relay Only |
| E | E-M Relay (5 Amp Form C) Plus Alarm 1 (5 Amp Form C Relay) |
| A | Solid State Relay (1 Amp) Plus Alarm 1 (5 Amp Form C Relay) |
| T | Open Collector Plus Alarm 1 (5 Amp Form C Relay) |
| Table 4 | Communications |
| 0 | None |
| 1 | Auxiliary Output/Digital Inputs (1 Aux and 1 DI or 2 DI) |
| 2 | RS-485 Modbus Plus Auxiliary Output/Digital Inputs |
| 3 | 10 Base-T Ethernet (Modbus RTU) Plus Auxiliary Output/Digital Inputs |
| Table 5 | Software Selections |
| 0 | Standard Functions,Single Display |
| A | Dual Display with Auto/Manual |
| B | Set Point Programming (12 Segments) Dual Display, Auto/Manual |
| L | Limit Controller (Includes Dual Display Option) |
| Table 6 | Reserved |
| 0 | No selection |
| Table 7 | Infrared interface |
| 0 | None |
| R | Infrared Interface Included (Can be used with a Pocket PC) |
| Table 8 | Input 1 |
| 1 | TC, RTD, mV, 0-5V, 1-5V |
| 2 | TC, RTD, mV, 0-5V, 1-5V, 0-20mA, 4-20mA |
| 3 | TC, RTD, mV, 0-5V, 1-5V, 0-20mA, 4-20mA, 0-10V |
| Table 9 | Input 2 |
| 00 | None |
| 10 | 0-5V, 1-5V, 0-20mA, 4-20mA |
| Table 10 | Tags |
| 0 | None |
| T | Stainless Steel Customer ID Tag - 3 lines w/22 characters/line |
| Table 11 | Approvals |
| 0 | CE, UL and CSA (Standard) |
| 1 | CE, UL, CSA and FM |
| 2 | CE Only |
| Table 12 | Future Options |
| 0 | None |
| 0 | None |
| 0 | None |







