Temperature control

Product catalog summary

Document Overview

This technical document appears to relate to a control system involving steam heating, cooling water, and PID sensor components. The content includes references to electrical connections or signals indicated by symbols such as '+', '-', 'NO' (Normally Open), 'NC' (Normally Closed), and 'COM' (Common), which are typical in relay or switch configurations.

Main Sections and Key Points

1. Electrical Connections and Signal Designations

Symbols '+' and '-' likely represent positive and negative terminals or power supply lines.
'NO' and 'NC' denote relay or switch contact states: Normally Open and Normally Closed respectively.
'COM' stands for the common terminal in relay or switch circuits.

2. System Components

Steam Heating: Indicates a subsystem or component responsible for heating using steam.
Cooling Water: Refers to the cooling subsystem using water.
PID Sensor: Suggests the presence of a Proportional-Integral-Derivative controller sensor used for precise control of temperature or other process variables.

Summary and Interpretation

The document outlines the basic electrical and control elements involved in a thermal management system that uses steam heating and cooling water circuits. The PID sensor is likely used to regulate temperature by controlling these subsystems through relay contacts identified by NO, NC, and COM terminals. The '+' and '-' symbols indicate power or signal polarity connections.

Critical Information:

Understanding the relay contact configurations (NO, NC, COM) is essential for correct wiring and control logic.
The PID sensor integration suggests automated feedback control for maintaining desired temperature levels.
Proper identification of positive and negative terminals ensures safe and effective electrical connections.

No detailed procedural steps, standards, or numerical parameters are provided in the excerpt.

Catalog excerpts

Via Tevere 15, 10098 Cascine Vica Rivoli (TO) www, ghisalba. com - vendite. italia(g), ghisalba. com

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Many Sizes Available: all panel sizes comply with International standards. Quality Assurance: ■ All temperature controllers adopt Isolated switching power supply. ■ 100-240VAC input power supply, applicable in all the countries in the world. ■ CE, ULand C-Tick certified Supports Various Sensors: ■ Built-in various sensor input modes: Thermocouple, platinum RTD or linear voltage/current. Various Output Modes: ■ Relay, voltage pulse, linear voltage, and current Relay Voltage pulse Linear current Linear voltage Stable Control: ■ Built-in PID control function, with accurate auto-tuning (AT). ■ PID...

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Temperature Controllers Standard Type □TA is designed for practical applications, offering 3 most frequently adopted output types in the market. DTA is built in with many user-friendly functions and handy transmission structure, ensuring fast and stable data transmission. _ Optional functions: RS-485 communication interface Electrical Specification Power supply Voltage range Power consumption Input temperature Display scale Control methods Relay: 250VAC, 5A, SPDT (DTA4848: SPST) Output types Voltage pulse: 14VDC, Max. output current: 40mA Current: DC 4 - 20mA (Load resistance: < 600n) Sampling...

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Temperature Controllers Modular Type □TC features modular and wire-saving structure, able to monitor many temperature points by parallel and modular extension. The user is able to set up the suitable output method according to the actual demand. The built-in password protection prevents inadequate operation or malicious damages from staff. DTC series is built-in with RS-485 communication interface (Modbus ASCII/RTU, 2,400 ~ 38,400bps). The programmable PID control function allows DTC to set up 64 sets of temperature and control time. DTC also supports 3 levels of password protection, synchronous...

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L 7 Multi-Channel Modular Type DTE series is a multi-channel modular type temperature controller. DTE10T supports 8 thermocouple and DTE1 OP 6 platinum RTD inputs. DTE series is installed on DIN rail, and each channel operates independently. DTE series offers many optional output modules (relay, voltage pulse, current and linear current). The built-in RS-485 2-wire communication allows The programmable PID control function allows DTE to set up 64 sets of temperature and control time. Maximum 7 DTC2000 controllers are extendable to DTE, and DTE supports the same synchronous communication protocol...

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Temperature Controllers Ordering Information Communication (Optional) fflCT (Optional) DTA: Delta A series temperature controller : Relay, SPST (4848: SPST), 250VAC, 5A Sfflfflffl Panel Size (WxH) Optional Function DTB : Delta B series temperature controller ; Relay, SPDT (4824/4848: SPST), 250VAC, 5A : Without CT, without EVENT input : With CT, without EVENT input : Without CT, with EVENT input : Valve control *DTB48Z4 has no optional function and no extra alarm output. Output 2 can be set to alarm output. *DTB4848 has only 1 optional alarm output. Output 2 can be set to the 2" alarm output....

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