Table of Contents
Advertisement
Quick Links
PCE Americas Inc.
PCE Instruments UK Ltd.
711 Commerce Way
Unit 11
Suite 8
Southpoint Business Park
Jupiter
Ensign way
FL-33458
Hampshire / Southampton
USA
United Kingdom, SO31 4RF
From outside US: +1
From outside UK: +44
Tel: (561) 320-9162
Tel: (0) 2380 98703 0
Fax: (561) 320-9176
Fax: (0) 2380 98703 9
info@pce-americas.com
info@industrial-needs.com
www.pce-instruments.com/english
www.pce-instruments.com
Hygrometer
PCE-HT 420
INSTRUCTION MANUAL
Advertisement
Table of Contents
Related Manuals for PCE Health and Fitness PCE-HT 420
Summary of Contents for PCE Health and Fitness PCE-HT 420
- Page 1 Hampshire / Southampton United Kingdom, SO31 4RF From outside US: +1 From outside UK: +44 Tel: (561) 320-9162 Tel: (0) 2380 98703 0 Fax: (561) 320-9176 Fax: (0) 2380 98703 9 info@pce-americas.com info@industrial-needs.com www.pce-instruments.com/english www.pce-instruments.com Hygrometer PCE-HT 420 INSTRUCTION MANUAL...
-
Page 2: Table Of Contents
PCE-HT 420 (User's manual) Table of Contents 1. Application ............................3 2. The set of the monitor ........................4 3. Basic requirements, operational safety ..................... 4 4. Assembly ............................5 4.1. Installation ............................. 5 4.2. External connections diagram ....................... 5 5. -
Page 3: Application
The monitor is powered via Ethernet - PoE (Power Over Ethernet) or standard DC jack. Features of PCE-HT 420 monitor: ●measurement, display and archiving of ambient temperature, relative humidity, dew point and absolute humidity, ●signaling when set alarm values are exceeded... -
Page 4: The Set Of The Monitor
All quantities and configuration parameters are available through the embedded Web server, if the parameter is not visible, set it in the tab Settings-> registers on the website. Fig.1. View of PCE-HT 420 monitor: 2. The set of the monitor ●PCE-HT 420 monitor 1 pc. -
Page 5: Assembly
It should be located near the device, easily accessible to the operator, and suitably marked. 4. Assembly 4.1. Installation PCE-HT 420 monitor is mounted on a wall using a screw connection. The monitor housing consists of an upper and a lower part. Fig.2 Location of mounting holes 4.2. -
Page 6: Operation
PCE-HT 420 (User's manual) Fig.3 View of the upper part of PCE-HT 420 monitor 5. Operation After wiring, mounting and powering the monitor is ready to work with factory settings. The monitor can be programmed with the built-in web server. -
Page 7: Functions Of The Button
PCE-HT 420 (User's manual) address in the network, if the device has been connected to Ethernet network - the address can be static or obtained from DHCP server. Fig. 4 Startup messages of PCE-HT 420 monitor 5.2. Functions of the button device contains... -
Page 8: Connection Of The Device - Configuration
PCE-HT 420 (User's manual) 255.255.255.0), another request restoring factory parameters will enable the DHCP server service - the network parameters will be obtained dynamically from the server; - displaying the current IP address of the monitor – after a short press of the button –... - Page 9 DHCP client enabled - automatic acquisition of IP address), open a web browser and in the browser address field type the IP address displayed by PCE-HT 420. This will display the login screen to log the web server that will allow further configuration - sign up to the administrator account, p.
- Page 10 5.6.2 (the same subnet mask and any IP address from the pool 192.168.1.X except for the address 192.168.1.19 assigned by default to PCE-HT 420). After the connection, open your web browser and type the default IP address 192.168.1.19. in the address field of the browser.
-
Page 11: Functions Of The Monitor
◦dew point. 5.5. Description of PCE-HT 420 monitor reading field PCE-HT 420 is equipped with a backlit LCD display consisting of two lines of 16 characters each. The top line of the display is used for the presentation of measured values - temperature and relative humidity and to display status pictographs of the file system internal memory. - Page 12 PCE-HT 420 (User's manual) Fig. 5 Description of the monitor reading field Tables 1, 2 show the symbols displayed on the LCD, and their meanings. Table1 Symbol Display mode Meaning constant file system internal memory installed and ready for operation...
-
Page 13: Ethernet 10/100-Base-T
- upper overrun of the range of the displayed value ● 5.6. Ethernet 10/100-BASE-T PCE-HT 420 monitors are equipped with Ethernet interface for the connection (using RJ45 slot) to a local or global network (LAN or WAN) and the use of network services implemented in the monitors: Web server, FTP server, Modbus Slave TCP/IP, SMTP client. -
Page 14: Connection Of 10/100 Base-T Interface
LED ● connected to the Ethernet network 100 Base-T, does not light up when PCE-HT 420 is not connected to the network or is connected to 10-Base-T network. green LED - Tx/Rx flickers when the monitor sends and receives ●... - Page 15 3) acc. to the following standard: ●EIA/TIA 568A for both connectors at the so-called simple connection of PCE-HT 420 to the network hub or switch, ●EIA/TIA 568A for the first connector and EIA/TIA 568B for the second connector at the so-called patch cord connection (crossover) used, among others, when connecting PCE-HT 420 to a computer.
-
Page 16: Ethernet Interface Default Parameters
PCE-HT 420 (User's manual) white-orange white-green EPWR+ blue blue EPWR+ white-blue white-blue orange green EPWR- white-brown white-brown EPWR- brown brown 5.6.2. Ethernet interface default parameters Table 4 Name Default value DHCP Enabled or disabled (cycled when default parameters restoration is forced) IP Address 192.168.1.19... -
Page 17: Web Server
PCE-HT 420 (User's manual) Fig.7 View of the window to change the parameters of the Ethernet interface 5.6.3 Web Server Monitor PCE-HT 420 provides its own Web server that allows remote monitoring measured values remote configuration and readout of the monitor status. With the web page the user can: ●obtain device information (serial number, execution code,... - Page 18 PCE-HT 420 (User's manual) ●select the language for the Web page, ●perform configuration Access to the Web server is achieved by entering the monitor IP address in the web browser, e.g .: http://192.168.1.19 (where 192.168.1.19 is set at the monitor). The standard port for web server is port "80".
-
Page 19: General View
PCE-HT 420 (User's manual) 5.6.3.1 General view Fig.8 General view of the main website The function of each tile of the website: 1)The view of measurements and after clicking on the tile graphs with trends are displayed. 2)Ethernet interface settings. - Page 20 PCE-HT 420 (User's manual) to which we can assign our own name and display it as a separate tile on the website. Defined records can be archived and they control the alarms. 7)Email configuration. 8)Logging off, return to the login page.
-
Page 21: Selection Of Web Server User
PCE-HT 420 (User's manual) 5.6.3.2. Selection of Web server user The monitor has two user accounts for the Web server secured by individual passwords: user: ”admin”, password: ”admin” - access to configuration and ● the preview of parameters user: ”user”, password: ”pass”... - Page 22 PCE-HT 420 (User's manual) user. user tries save settings into the monitor, a message is returned on the status of such operation. For mobile applications there is a user notification system built-in the web browser. Fig.12 View of the message window informing that parameters have been correctly recorded in the device Fig.13 View of the message window informing about incorrect...
-
Page 23: Access To The Archive File Through The Web Server
PCE-HT 420 (User's manual) 5.6.3.4. Access to the archive file through the web server PCE-HT 420 allows for access to archive files through the file manager implemented on the web server that allows the user to retrieve and delete individual files. To start the archive file manager, click on the tile Archive, and then click the button Browse arch. - Page 24 PCE-HT 420 (User's manual) operate in one of six modes. Fig. 17 shows the operation of alarm in the following modes: n-on, n-off, on, off. The other two modes: h- on and h-off mean respectively, always On and always Off. These modes are designed for manual simulation of alarm states.
-
Page 25: Ftp Server
Note: If the user selects the audible alarm for alarm number 1 (2), the same option should not be selected for alarm 2 (1). 5.6.4 FTP Server FTP file sharing protocol is implemented in PCE-HT 420 monitors. The monitor acts as a server, allowing clients to access the internal memory of the meter file system. -
Page 26: Selection Of Ftp User
PCE-HT 420 (User's manual) as FTP client. To transfer files using FTP the following ports are normally used: "1025" - data port and "21" - command port. If necessary, the user can change the port used by the FTP. Please... -
Page 27: E-Mail Service
5.6.5 E-mail service PCE-HT 420 monitors have been equipped with a function to send email messages using SMTP. To send a message a user must provide authentication data to SMTP proxy server. - Page 28 •The name of the device from which the information was sent. PCE-HT 420 monitor has a memory buffer allowing for storage of maximum 20 e-mail messages. If an e-mail cannot be sent on a regular basis, for example, due to lack of connection they are queued up one after the other until their number exceeds When the limit is exceeded, the subsequent messages will be lost.
- Page 29 PCE-HT 420 (User's manual) 7)The period of sending regular messages Fig. 19 View of e-mail configuration window The correct SMTP server port must be configured at "Ethernet" tile in "SMTP” tab. For unencrypted connections usually ports 25 or 587 are used.
-
Page 30: Modbus Tcp/Ip
PCE-HT 420 (User's manual) 5.6.6 Modbus TCP/IP PCE-HT 420 monitors allow access to internal registers via Ethernet and Modbus TCP/IP Slave. Modbus protocol functions and structure of the records are described in points 5.5.6.1 – 5.5.6.3. In order to set up a connection it is necessary to set a unique IP address for the monitor and to set the connection parameters listed in Table 5. -
Page 31: Description Of Implemented Functions
●17 (11 h) - identification of slave device. 5.6.6.2. Map of registers In PCE-HT 420 monitor the data is placed in 16- and 32-bit registers. Process variables and parameters of the monitor are located in the address space of registers in a manner dependent on the type of the variable. - Page 32 B1 B0 – the oldest byte is sent first. 16-Bit registers representing 32-bit values in two subsequent registers are doubled in another address area with the following bytes order: B1 B0 B3 B2 (Tab. 6). The map of PCE-HT 420 registers is presented below. Note: given...
-
Page 33: Read-Only Registers
PCE-HT 420 (User's manual) 5.6.6.3. Read-only registers. Table 7 Value is Value is Name Unit name placed in placed in 32-bit successive registers. 16-bit registers. These registers contain the same data as 32-bit registers of 7500 range. 7000/6000 7500 C Measured temperature... -
Page 34: Firmware Upgrade
PCE-HT 420 (User's manual) time YYYY 7048/6048 7524 Date - year Current date - year MMDD 7050/6050 7525 Month, day Current date - month, day 7052/6052 7526 Reserved 7054/6054 7527 the amount of file system memory available space (kB), value ”-1”... -
Page 35: Archiving Measured Values
After the memory is full, the oldest data is overwritten. The internal archive can be read, copied and deleted. PCE-HT 420 monitors have file system internal memory of the size of 8GB (memory size of the file system can be increased on request... -
Page 36: File System Internal Memory
Ar_L - Lower threshold of archiving Ar_H - Upper threshold of archiving 5.8.3. File system internal memory PCE-HT 420 monitors are equipped with file system internal memory. FAT and FAT32 file systems are supported. During operation the monitor creates file directories containing historical data. -
Page 37: Structure Of Archive Files
PCE-HT 420 (User's manual) Apart from the ARCH directory, in which the archived data is placed, SYSTEM directory is also created on the card where the following files are located: start.txt - date and time of the file system internal memory installation (when the monitor is restarted after power failure) - manual.pdf - current user’s manual... -
Page 38: Additional Accessories
PCE-HT 420 (User's manual) separated from each other by a tab character. View a sample archive file with archiving of further 12 user’s displayed values is shown in Fig. 25. Fig. 25 Sample data file Subsequent fields included in a row describing the record have the following meanings: date –... - Page 39 PCE-HT 420 (User's manual) Table 8 No. Accessory Appearance Ordering code Technical data 6 VDC 20-072-00-00094 Voltage: 6 V d.c. ± 5% power Maximum power: 6W* supply unit Input voltage: 90...253 V a.c. Operating temperature: 0...40 Dimensions: 63.6 x 29.5 x 45.6 mm* Conductor length: 1.4 m ±...
-
Page 40: Technical Data
PCE-HT 420 (User's manual) 7. Technical data Basic parameters: –measuring range of relative humidity (RH) 0...95 % without condensation –intrinsic error of humidity processing ±3% of the range for RH = 10...90% ±5% in the remaining range –hysteresis humidity measurement ±... - Page 41 PCE-HT 420 (User's manual) –time of initial warm-up 15 minutes –degree of protection provided by housing IP 20 – mounting on a wall – weight <0.3 kg (120 x 80 x 25) mm –dimensions –operating position: with sensor directed to...
-
Page 42: Ordering Code
* - Monitor of PCE-HT 420 1XXXXX version require external supply voltage of 6 V d.c. Monitors of PCE-HT 420 2XXXXX version can be supplied both from Ethernet interface through PoE (Power over Ethernet), and from external power supply 6 V d.c.
Need help?
Do you have a question about the PCE-HT 420 and is the answer not in the manual?
Questions and answers