Summary of Contents for CET PMC-T402
- Page 1 PMC-T402 Temperature & Iresidual Monitor User Manual Version: V1.0 November 09, 2017...
- Page 2 The information contained in this manual is believed to be accurate at the time of publication; however, CET assumes no responsibility for any errors which may appear here and reserves the right to make changes without notice. Please consult CET or your local representative for the latest product specifications.
- Page 3 CET Inc. DANGER Failure to observe the following instructions may result in severe injury or death and/or equipment damage. Installation, operation and maintenance of the device should only be performed by qualified, competent personnel that have the appropriate training and experience with high voltage and current devices. The device must be installed in accordance with all local and national electrical codes.
- Page 4 This warranty is on a return to factory for repair basis. CET does not accept liability for any damage caused by device malfunctions. CET accepts no responsibility for the suitability of the device to the application for which it was purchased.
-
Page 5: Table Of Contents
CET Inc. Table of Contents Chapter 1 Introduction ........................7 1.1 Overview..........................7 1.2 Features ..........................7 1.3 Getting more information ..................... 8 Chapter 2 Installation .......................... 9 2.1 Appearance ........................... 9 2.2 Dimensions ......................... 10 2.2.1 Main Unit ......................... 10 2.2.2 Terminal ........................ - Page 6 CET Inc. 5.6 Device Information......................30 Appendix A Technical Specifications ....................31 Appendix B Standards of Compliance ....................32 Appendix C Ordering Guide ....................... 33 Contact us ............................34...
-
Page 7: Chapter 1 Introduction
This chapter provides an overview of the PMC-T402 and summarizes many of its key features. 1.1 Overview The PMC-T402 is CET’s latest offer for the Temperature (RTD) and Residual Current monitoring for the Commercial and Industrial markets. Housed in a compact form factor measuring only 72(L)×72(H)×87.8(D)mm, the PMC-T402 can be used as a stand-alone device that offers real-time... -
Page 8: Getting More Information
CET Inc. 1xRS-485 port @ 9600bps, 8E1 Modbus RTU protocol 1.3 Getting more information Additional information is available from CET via the following sources: Visit www.cet-global.com Contact your local representative Contact CET directly via email at support@cet-global.com... -
Page 9: Chapter 2 Installation
Chapter 2 Installation Caution Installation of the PMC-T402 should only be performed by qualified, competent personnel that have the appropriate training and experience with high voltage and current devices. The monitor must be installed in accordance with all local and national electrical codes. -
Page 10: Dimensions
CET Inc. 2.2 Dimensions 2.2.1 Main Unit Figure 2-2 Main Unit Dimensions 2.2.2 Terminal Figure 2-3 Terminal Dimensions... -
Page 11: Residual Current Cts
CET Inc. Terminal Terminal Dimension (mm) Wire Size (mm Max. Torque DO & RS-485 4.5 kgf.cm/M2.5 2.5 x 2.8 (3.9 lb-in) 1.0mm - 2.5mm 6.0 kgf.cm/M3 Power Supply 6.0 x 6.0 (14AWG - 22AWG) (5.2 lb-in) Table 2-1 Terminal Dimensions 2.2.3 Residual Current CTs... -
Page 12: Pt100
2.2.4 PT100 Figure 2-8 PT100 Dimensions 2.3 Mounting The PMC-T402 should be installed in a dry environment with no dust and kept away from heat, radiation and electrical noise source. The PMC-T402 supports two installation modes: Panel mount and DIN-Rail mount. - Page 13 Before installation, please make sure that the DIN rail and the adapter are already in place. o Remove the installation clips from the PMC-T402 o Fit the PMC-T402 through the adapter as shown in Figure 2-10 o Re-install the installation clips and push the clips tightly against the adapter to secure the...
-
Page 14: Rs-485 Wiring
CET Inc. 2.4 RS-485 Wiring The PMC-T402 provides a standard RS-485 port that supports the Modbus RTU protocol. Up to 32 devices can be connected on a RS-485 bus. The overall length of the RS-485 cable connecting all devices should not exceed 1200m. -
Page 15: Rtd Input Wiring
3) Please ensure that the device power is OFF when connecting the Residual Current CT. 2.7 RTD Input Wiring The following figure illustrates the Temperature Input connections on the PMC-T402: Figure 2-14 Temperature Input Connections Notes: 1) The alarming feature of the Temperature measurement is disabled by default and can be enabled via the Front Panel or through communications. -
Page 16: Chapter 3 Front Panel
CET Inc. Chapter 3 Front Panel The PMC-T402 has a bright 2-line LED display and 4 buttons for both data display and setup configuration purposes. Figure 3-1 Front Panel Display 3.1 LED Indicator There are 17 LED indicators on the PMC-T402’s front panel as described below:... -
Page 17: Led Display
3.3.3 Default Display The PMC-T402 has a Default Display that shows the IR1 and IR2 parameters as shown below. The user can use the < /Diag.> and < /Mute>> buttons to scroll and display other parameters. Please refer... -
Page 18: Data Display
DO Status Table 3-4 PMC-T402 Data Display Pages 3.3.5 SOE Display The PMC-T402 can display Alarm/Fault events on its LED. The users can scroll the display screens by pressing < /Diag.> button. When there is an Alarm or a Fault event: ... -
Page 19: Setup Configuration
CET Inc. IRn/TCn Fault Events: Figure 3-4 IRn/TCn Fault Events 3.4 Setup Configuration 3.4.1 Making Setup Changes 1) Entering the Password: Press < /Enter> for three seconds to enter Setup Configuration mode, and the LED displays PROG. Press < /Diag.> to advance to the Password page. -
Page 20: Setup Menu
CET Inc. 3.4.2 Setup Menu Figure 3-5 Setup Menu... -
Page 21: Configuration
Table 3-5 Setup Parameters Notes: The PMC-T402 only supports the configuration of Unit ID for its Com port. The default settings for Baud Rate and Data Format are 9600 bps and 8E1, respectively and cannot be changed from the Front Panel. - Page 22 CET Inc. the error if the length of the wire exceeds 3m. When the measurements of the Residual Current or Temperature are less than the Residual Current or Temperature Threshold, the measurements will be displayed as 0.
-
Page 23: Chapter 4 Applications
4.1.1 Residual Current Monitoring The PMC-T402 supports up to four Residual Current Inputs and provides two Setpoint levels between 20 and 1000mA: Warning and Alarm. If the Residual Current measurements exceed the pre-set limits, the Residual Current Setpoint will become active. The monitoring of Residual Current provides an... -
Page 24: Temperature Alarm
1) The IRn Alarm or Warning must return to Normal first before a new Alarm or Warning would be generated. 4.1.2 Temperature Alarm The PMC-T402 supports up to four PT100 Temperature Inputs and provides two Setpoint levels between 45 and 140°C: Warning and Alarm. If the temperature measurements exceed the pre-set alarm limit, the Temperature Setpoint will become active. -
Page 25: Digital Output
Alarm, it may still be overridden for remote control operation. 4.3 SOE Log The PMC-T402 has a SOE Log that can store up to 64 events such as Power-On, Alarm, DO action and Setup changes …etc. in its non-volatile memory. Each event record includes an Event Classification, its relevant parameter values and a timestamp in ±1 ms resolution. -
Page 26: Chapter 5 Modbus Register Map
PMC-T402 to facilitate the development of 3 party communications driver for accessing information on the PMC-T402. For a complete Modbus Protocol Specification, please visit http://www.modbus.org. The PMC-T402 supports the following Modbus functions: 1) Read Holding Registers (Function Code 0x03) -
Page 27: Soe Log
CET Inc. 4) For the I Alarm Status register, the bit values of B0 to B3 represent the Alarm Status of IR1 residual to IR4, respectively, with “1” meaning Active and “0” meaning Inactive. 5) For the I Warning Status register, the bit values of B0 to B3 represent the Warning Status of residual IR1 to IR4, respectively, with “1”... -
Page 28: Device Setup
CET Inc. SOE Classification Event Sub- Event Value Description Classification Classification Reserved Reserved DO Operated/Released TC1 Alarm TC2 Alarm TC3 Alarm TC4 Alarm IR1 Alarm IR2 Alarm IR3 Alarm IR4 Alarm Triggered Reserved Value TC1 Warning TC2 Warning TC3 Warning... -
Page 29: Time
5.4 Time There is one set of Time registers supported by the PMC-T402 – Year / Month / Day / Hour / Minute / Second (Register # 60000 to 60002). All registers within a Time register set must be written in a single transaction. -
Page 30: Remote Control
Reset operation. The Open, Close or Reset will be “Disarmed” automatically if an “Execute” command is not received within 15 seconds after it has been “Armed”. If an “Execute” command is received without first having received an “Arm” command, the PMC-T402 ignores the “Execute” command and returns the 0x04 exception code. -
Page 31: Appendix A Technical Specifications
CET Inc. Appendix A Technical Specifications RTD Temperature Inputs (TC1, TC2, TC3, TC4) RTD Type 2-Wire PT100 (sensor not included) PT100 0-200°C Alarm Range 45-140°C Residual Current Inputs (IR1, IR2, IR3, IR4) Standard (In) 0.5mA Range 2-200% In Power Supply (L/+, N/-, GND) Standard 95-250VAC/DC, ±10%, 47-440Hz... -
Page 32: Appendix B Standards Of Compliance
CET Inc. Appendix B Standards of Compliance Safety Requirements EN 61010-1: 2010 CE LVD 2014 / 35 / EU EN 61010-2-030: 2010 Insulation IEC 60255-5-2000 Dielectric test 2kV @ 1 minute Insulation resistance >100MΩ Impulse voltage 5kV, 1.2/50µs Electromagnetic Compatibility... -
Page 33: Appendix C Ordering Guide
CET Inc. Appendix C Ordering Guide... -
Page 34: Contact Us
CET Inc. Contact us CET Inc. 8/F, Westside, Building 201, Terra Industrial & Tradepark, Che Gong Miao, Shenzhen, Guangdong, P.R.China 518040 Tel: +86.755.8341.5187 Fax: +86.755.8341.0291 Email: support@cet-global.com Web: www.cet-global.com...
Need help?
Do you have a question about the PMC-T402 and is the answer not in the manual?
Questions and answers