YOKOGAWA 16137-188 Process Control Module



YOKOGAWA 16137-188 Process Control Module

Product Overview

YOKOGAWA 16137-188 is a high-precision digital process control module developed by Yokogawa Electric in Japan specifically for the field of industrial automation. Its core positioning is precise measurement and closed-loop control of process parameters, and it is widely applicable to the integration requirements of various industrial automation systems. This module relies on Yokogawa Electric's profound technical accumulation in the field of industrial control, using high stability components and precision signal processing circuits. It can continuously output reliable measurement data and control instructions in complex industrial environments, providing core guarantees for the stability, efficiency, and safety of the production process. Its design philosophy takes into account measurement accuracy, functional adaptability, and system compatibility, and can quickly integrate into existing automation architectures such as DCS (distributed control system) and PLC (programmable logic controller), effectively reducing the cycle and cost of system upgrades and renovations.

Core technical parameters

The technical parameters of this module have undergone strict industrial level verification to ensure performance stability under full working conditions. The specific parameters are as follows:

2.1 Basic specifications

Brand and Model: YOKOGAWA (Yokogawa Electric) 16137-188

-Module type: high-precision analog measurement and control module

-Power parameters: The power supply voltage is 24V DC (direct current), with a wide voltage compatibility range of ± 10% and a power consumption of ≤ 13W. It supports reverse connection protection design to avoid module damage caused by wiring errors

Protection level: IP65 protection (with optional sealing gasket installed), completely dust-proof and can prevent spray water from entering, effectively resisting the erosion of dust, water vapor and other pollutants in industrial sites

Appearance and Installation: Adopting a panel installation design, the standard size is 48mm × 48mm, and the panel opening size is 45+0.6mm × 45+0.6mm, suitable for installation panels with a maximum thickness of 8mm; For indoor installation only, it needs to be installed inside the electrical cabinet to protect the rear shell, terminals, and wiring

2.2 Measurement of Performance Parameters

-Measurement accuracy: ± 0.02% full scale (F.S.), industry-leading error control accuracy within the full measurement range, ensuring the accuracy of process parameter measurement; Reading error ≤ ± 0.1%, further improving data reliability

Input range: Supports multiple types of input signals, including thermocouple (mV level signal), Pt100/Pt1000 thermistor signal, 4-20mA current signal, etc; It can provide 12VDC (20mA) power supply for two-wire transmitters, and terminal 4 can be programmed to be configured as 0-12V SSR drive output or transmitter power supply terminal

Response characteristics: The damping time constant can be adjusted in 9 gears ranging from 0.2 to 64 seconds, with a default damping time of 2 seconds; The sum of the time constants of the amplifier component and the diaphragm sealing component determines the overall response speed and is suitable for process scenarios with different dynamic characteristics

-Resolution: 16 bit A/D conversion accuracy, able to accurately distinguish small parameter changes, providing data support for fine control

2.3 Environmental adaptability parameters

Working temperature range: 0 ℃ to 50 ℃, suitable for conventional industrial indoor environments; Equipped with cold end automatic compensation function, the compensation range is from 0 ℃ to 55 ℃, and the compensation accuracy reaches 0.05 ℃/℃, ensuring the accuracy of temperature measurement

Storage temperature range: -20 ℃ to 60 ℃, convenient for regular storage and long-distance transportation, no special temperature control measures required

Humidity adaptation range: 20% RH to 90% RH (non condensing), suitable for most industrial indoor humidity environments, avoiding equipment failures caused by condensation

-Anti interference performance: With EMC (Electromagnetic Compatibility) industrial certification, the ability to resist electromagnetic radiation (EMI) and electromagnetic conduction (EMS) meets the IEC 61000 standard, and can resist electromagnetic interference generated by industrial field frequency converters, motors, and other equipment

2.4 Communication Parameters

-Supporting Protocol: Standard Modbus RTU communication protocol, using RS-485 bus interface, data transmission rate can be flexibly configured between 9600bps and 115200bps

-Communication distance: Maximum communication distance of 1200 meters (shielded twisted pair), supports multiple module cascading, and can connect up to 32 slave devices

-Data format: configurable 8-bit/7-bit data bits, 1-bit/2-digit stop bits, supports odd parity, even parity, or no parity, suitable for communication needs of different systems

Applicable industries and typical application scenarios

Based on its high-precision measurement, flexible signal adaptability, and reliable explosion-proof performance, YOKOGAWA 16137-188 process control module is widely used in key process links in multiple industrial fields. Typical application scenarios are as follows:

4.1 Petrochemical Industry

Suitable for processes such as crude oil extraction, refining, and chemical reactions, used to measure and control key parameters such as reactor temperature, pipeline pressure, medium flow rate, and tank liquid level. In high-temperature, high-pressure, and highly corrosive working environments, the module can stably output accurate data, providing reliable support for process optimization and safety interlocking, avoiding safety accidents and product quality issues caused by parameter loss of control.

4.2 Metallurgical Industry

Applied in scenarios such as furnace temperature control, furnace pressure monitoring, and cooling water flow regulation in steel and non-ferrous metal smelting processes. The module can work continuously in environments with high temperature radiation and dense dust, accurately capturing dynamic changes in furnace temperature, ensuring stable smelting temperature through closed-loop control, and improving the purity and performance of metal materials.

4.3 Power industry

Suitable for key processes such as steam drum water level monitoring, steam pressure control, and temperature regulation of generator cooling systems in thermal power, hydropower, nuclear power and other power plants. Its high reliability and fast response performance can ensure the stable operation of power station equipment, avoiding equipment damage or power supply interruption caused by parameter fluctuations.

4.4 Pharmaceutical and Food Industry

In scenarios where high precision is required for process parameters such as pharmaceutical reactions and food processing (such as brewing and dairy production), it is used to control parameters such as reaction temperature, material ratio, and fermentation tank pressure. The high-precision measurement capability of the module ensures consistency in product quality, while its design that complies with industrial hygiene standards avoids contamination of materials.

4.5 Water Treatment and Environmental Protection Industry

Applied to water quality parameter monitoring (such as dissolved oxygen, pH value), water supply system pressure regulation, sewage flow control and other scenarios in sewage treatment plants. In humid and corrosive gas environments, the IP67 protection performance of the module can effectively resist environmental erosion, ensure the continuity and reliability of monitoring data, and provide data support for environmental emission standards.

Installation and maintenance precautions

5.1 Installation specifications

The installation environment must meet the requirements of product working temperature, humidity, and protection. It is only suitable for indoor installation and needs to be installed inside the electrical cabinet to protect the rear wiring and terminals; Avoid installing modules near direct sunlight, vibration impact, or strong electromagnetic interference sources such as frequency converters and high-power motors; If it is necessary to approach the interference source, shielding measures must be taken (such as installing metal shielding covers, using shielded cables), and the input line must not be laid in parallel with the power line.

When using panel installation, it is necessary to ensure that the thickness of the installation panel does not exceed 8mm, and the installation is firm without looseness; Adequate heat dissipation and operation space should be reserved around the module to avoid poor heat dissipation or inconvenient operation caused by dense installation.

-Before wiring, it is necessary to disconnect the power supply and strictly follow the requirements of the product wiring manual to ensure accurate connections of the positive and negative poles of the power supply, input signal lines, and communication lines; The wiring terminals should be tightened in place to avoid signal distortion or equipment failure caused by poor contact.

It is recommended to use shielded twisted pair cables for communication or signal input lines, with the shielding layer grounded at one end to reduce electromagnetic interference; External components (such as Zener safety barriers) connected between sensors and input terminals should pay attention to the balance of line resistance to avoid measurement errors caused by excessive line resistance or leakage current.

5.2 Maintenance points

-Daily inspection: Regularly check the status of the module's indicator lights (normal power supply, normal communication, no faults), observe whether the module casing is damaged or corroded, and whether the wiring terminals are loose or overheating; At the same time, the stability of the measurement data is monitored through the upper system, and if there are any abnormal fluctuations in the data, the cause is promptly investigated.

-Regular cleaning: According to the dust content in the on-site environment, regularly clean the module housing and heat dissipation gaps. When cleaning, disconnect the power supply, use a dry brush or compressed air to remove dust, and avoid using damp cloths or corrosive cleaning agents.

-Calibration and maintenance: It is recommended to perform accuracy calibration on the module once a year, using calibration instruments that meet the standards and following the steps in the product calibration manual; After calibration is completed, record the calibration data to ensure that the module measurement accuracy meets the requirements.

-Fault handling: When a module generates a fault alarm, first check the fault code through the upper system and combine it with the product fault diagnosis manual to investigate the cause of the fault; Common faults include abnormal power supply, wiring errors, communication interruptions, sensor failures, etc. When troubleshooting, you can first check the power supply voltage and wiring connections, and then check the communication link and sensor status; If on-site resolution is not possible, please contact the official after-sales or professional technical personnel of Yokogawa Electric in a timely manner.

Storage and spare parts management: Spare modules should be stored in a dry, ventilated, and non corrosive gas environment, with a temperature range controlled between -20 ℃ and 60 ℃, avoiding direct sunlight and mechanical collisions; Keep the original packaging during storage to prevent damage.