or by any means, electronic or mechanical (including photocopying), nor may its
contents be modified, translated, adapted, sold or disclosed to a third party without prior
written permission of the copyright holder. Translated manuals and translated portions
of multilingual documents are based on the original English versions. In ambiguous
cases, the English versions are applicable, not the translations.
The contents of this manual are subject to change without prior notice.
Local rules and regulations may vary and they shall take precedence over the
information contained in this manual. Vaisala makes no representations on this
manual’s compliance with the local rules and regulations applicable at any given time,
and hereby disclaims any and all responsibilities related thereto.
This manual does not create any legally binding obligations for Vaisala towards
customers or end users. All legally binding obligations and agreements are included
exclusively in the applicable supply contract or the General Conditions of Sale and
General Conditions of Service of Vaisala.
January 2013. Previous version. Updated
description of SMODE command.
Manual Code
Manual Name
M211059EN
HMP60 and HMP110 Series Multilingual Quick
Guide
M211106EN
Loop Power Converter Quick Reference Guide
M211080EN
Mounting Flange for Humidity Probes
Quick Reference Guide
Version Information
Table 1 Manual Revisions
added. Updated instructions for switching the probe
to serial mode from analog or Modbus mode.
Relative humidity factory calibration uncertainty
specification updated. Added information about
using HMP110 with an MI70 indicator when in
analog mode. Added instructions for entering
calibration information with the CDATE and CTEXT
software version 2.0.7.
Added new probe type HMP110D. Updated
technical specification, updated options and
accessories. Added AERR and RHLIMIT serial line
commands, removed the ADJD command. Added
adjustment instructions for MI70 indicator. Added a
WARNING
Related Manuals
Table 2 Related Manuals
Documentation Conventions
Throughout the manual, important safety considerations are highlighted
as follows:
Warning alerts you to a serious hazard. If you do not read and follow
instructions very carefully at this point, there is a risk of injury or even
death.
Chapter 1 _________________________________________________________ General Information
Caution warns you of a potential hazard. If you do not read and follow
instructions carefully at this point, the product could be damaged or
important data could be lost.
Note highlights important
Do not modify the unit. Improper modification can damage the product
or lead
Before you connect
recommended to power off the device.
CAUTION
NOTE
Safety
The product delivered to you has been tested for safety and approved as
shipped from the factory. Note the following precautions:
CAUTION
to malfunction.
NOTE
ESD Protection
Electrostatic Discharge (ESD) can cause immediate or latent damage to
electronic circuits. Vaisala products are adequately protected against
ESD for their intended use. It is possible to damage the product,
however, by delivering electrostatic discharges when touching,
removing, or inserting any objects inside the equipment housing.
information on using the product.
an HMP60 or HMP110 series probe to a device, it is
To make sure you are not delivering high static voltages yourself:
- Handle ESD sensitive components on a properly grounded and
protected ESD workbench.
- When an ESD workbench is not available, ground yourself to the
equipment chassis with a wrist strap and a resistive connection cord.
- If you are unable to take either of the above precautions, touch a
conductive part of the equipment chassis with your other hand before
touching ESD sensitive components.
- Always hold component boards by the edges and avoid touching the
component contacts.
HMP60 and HMP110 series probes are in conformity with the provisions
of the following EU directive(s):
ROHS Directive
EMC Directive
The electromagnetic compatibility of HMP60, HMP110, HMP110D and
HMP110T and HMP110REF has been tested according to the following
product family standards:
- EN 61326-1: Electrical equipment for measurement, control and
laboratory use - EMC requirements – for use in industrial locations.
- EN 55022 Class B: Information technology equipment - Radio
disturbance characteristics - Limits and methods of measurement.
The electromagnetic compatibility of HMP63 and HMP113 has been
tested according to the following product family standards:
- EN 61326-1: Electrical equipment for measurement, control and
laboratory use - EMC requirements – Basic immunity test
requirements.
- EN 55022 Class B: Information technology equipment - Radio
disturbance characteristics - Limits and methods of measurement.
Chapter 1 _________________________________________________________ General Information
Trademarks
Vaisala INTERCAP® and Vaisala HUMICAP® are registered
trademarks of Vaisala Oyj.
Windows® is a registered trademark of Microsoft Corporation in the
United States and/or other countries.
License Agreement
All rights to any software are held by Vaisala or third parties. The
customer is allowed to use the software only to the extent that is provided
by the applicable supply contract or Software License Agreement.
Warranty
Visit our Internet pages for more information and our standard warranty
terms and conditions: www.vaisala.com/warranty.
Please observe that any such warranty may not be valid in case of
damage due to normal wear and tear, exceptional operating conditions,
negligent handling or installation, or unauthorized modifications. Please
see the applicable supply contract or Conditions of Sale for details of the
warranty for each product.
This chapter introduces the features and options of the HMP60 and
HMP110 series probes.
Introduction to HMP60 and HMP110 Series
Vaisala Humidity and Temperature Probes HMP60 and HMP110 Series
are simple and cost-effective humidity transmitters suitable for various
volume applications:
- Integration into other manufacturers’ equipment.
- Incubators.
- Glove boxes.
- Greenhouses.
- Fermentation chambers.
- Data loggers.
- Hand-held meters.
HMP60 series probes use the interchangeable Vaisala INTERCAP®
sensor. No recalibration is required after sensor replacement.
HMP110 series probes use the Vaisala HUMICAP® 180R sensor for
increased accuracy. HMP110 series probes require calibration after
sensor replacement. This can be done on the serial line using the optional
Vaisala USB cable.
Table 3 Parameters Measured by HMP60 and HMP110 Series
HUMICAP® 180R sensor. Lightweight probe with
higher accuracy and faster thermal response time.
Not for permanent outdoor use. Two analo g output
channels.
Used with the Vaisala HM40 hand-held meter (requires
For order codes, see section Options and Accessories on page 72.
Probe Mounting Clamp
The optional mounting clamp makes it easy to install the probe on the
wall of the measurement environment. The probe can be detached for
calibration simply by loosening the lower screw.
1001-138
Figure 4 Probe Mounting Clamp in Use
The probe mounting clamp is delivered in two parts that must be
connected when it is used:
1. Align the slots on the clamp parts as shown in Figure 5 below.
The probe mounting flange is a silicone flange that can be used to hold
the probe in a through-wall installation. The flange is a general purpose
mounting accessory for Ø 12mm probes, and comes with a sealing plug
for coaxial cables that is not needed when the flange is used with HMP60
and HMP110 series probes.
0911-109
Figure 8 Probe Mounting Flange
Plastic Locking Bushing for HMP63 and
HMP113
HMP63 and HMP113 can be connected to compatible Vaisala
instruments using a plastic locking bushing that is placed over the probe.
The bushing has a M15x1 thread. It is compatible with the HMT120 and
HMT130 transmitters, and the HM40 hand-held meter.
The following explanations refer to Figure 10 above:
1 = Tension screw
Distance L can be adjusted and locked in place with the tension screw.
Duct Installation Kit for HMP60, HMP110,
HMP110D and HMP110T
The duct installation kit includes a plastic pipe with a flange (Vaisala
order code: 215619). To install the probe with the duct installation kit,
drill a hole to the duct wall, assemble the probe to the duct installation
kit, slide the probe head through the hole, and attach the flange to the
duct wall with four screws. See page 22 for details.
1301-002
Figure 10 Probe Installation with the Duct Installation Kit
The loop power converter is an open frame module that converts one
0 ... 2.5 VDC voltage output to a 4 ... 20 mA current output. To use the
loop power converter module, the probe:
- must be in the analog output mode
- the desired quantity is on channel 1
- channel 1 must be scaled to 0 ... 2.5 V
Wiring instructions are provided in section Wiring with the Loop Power
Connection cables have a straight, threaded female M8 connector on one
end and open wires on the other end. Also other compatible M8 series
cables can be used.
1210-063
Figure 12 Cable with Threaded Connector
The USB Serial Interface Cable has a straight, threaded female M8
connector on one end, and a USB Type A male plug on the other. The
USB cable is intended for maintenance purposes only, not for permanent
installation.
Mounting the HMP60, HMP110, HM P110D and
HMP110T Probes
HMP60, HMP110, HMP110D and HMP110T are designed to be
mounted from the M12 thread on the probe body or from the smooth part
of the probe body. For a convenient installation, use the optional
installation accessories:
- Use the plastic mounting nuts to hold the probe in a through-wall
installation.
- Use the probe mounting clamp to hold the probe on a wall.
- Use the probe mounting flange to hold the probe in a through-wall
installation.
NOTE
Avoid placing the probe in a place where condensation can run onto the
sensor.
Probe Assembly with Duct Installation Kit
0505-177
Figure 18 Assembly of the Probe with Duct Installation Kit
To use the loop power converter module with a HMP60 or HMP110
series probe, make sure that:
- The probe is in the analog output mode
- The desired quantity must be on channel 1
- Channel 1 is scaled to 0 ... 2.5 V
The loop power converter cannot be used with HMP110D.
When using the loop power converter module, power the module with
8 ... 28 VDC. The operating voltage for the probe (5 VDC) is delivered
by the module.
For more information, see the Loop Power Converter Quick Reference
Guide.
1210-031
Figure 22 Wiring with the Loop Power Converter Module
The operating voltage for the HMP60 and HMP110 series probes must be
in the following range:
Table 6 Operating Voltage Ranges
Current consumption is 1 mA on average, which makes the probes well
suited for running on battery power. The maximum peak consumption is
5 mA.
Recommendations
- Continuous use over high operating voltage may cause heating.
To conserve power and minimize the warming of the probe, use the
lowest operating voltage in the allowed range.
- Using low impedance loads on the signal outputs increase the current
consuption by up to 0.5 mA. High impedance loads are recommended
to minimize warming of the probe.
- Frequent interrogation of the probe using the RS-485 interface will
also increase current consumption from the average value. More
frequent interrogation than once per second is not recommended.
Before you connect a
recommended to power off the device.
In analog probes,
only.
CHAPTER 4
OPERATION
This chapter contains information that is needed to operate the HMP60
and HMP110 series probes.
Getting Started
NOTE
When the probe is connected to a power supply, there is a delay as the
probe starts up and the analog output stabilizes. The delay depends on the
output type, and on the operating voltage that is supplied to the probe:
- Probes with analog output:
- 4 s at operating voltage 13.5 ... 16.5 VDC
- 2 s at other valid operating voltages
- Probes with digital output: 1 s
n HMP60 or HMP110 series probe to a device, it is
Serial Line Communication
NOTE
serial line communication is intended for service use
HMP60 and HMP110 series probes support two-wire RS-485
communication. The RS-485 interface is non-isolated and offers a
maximum communications rate of 57600 bits/s.
There is no internal termination for the RS-485 on the probe. Use of
termination resistors is not recommended. If the resistors are used, the
possible increase in current consumption should be taken into account.
The connection to the serial interface is via the 4-pin connector on the
probe; see connector pinout on page 22.
For temporary use of the serial interface (for example, calibration), you
can use the optional USB cable (Vaisala order code: 219690). Before you
can use the USB cable, you must install the provided USB driver on your
PC, see Installing the Driver for the USB Cable on page 30.
NOTE
The Vaisala USB cable is not designed for permanent installation.
When using the USB cable, no separate power unit is needed. The probe
is powered through the USB port.
For permanent interfacing to a host system, use a shielded cable with a
threaded connector. See list of available cables in section Options and
Accessories on page 72.
The probe does not echo typed characters back to the terminal screen. To
see the commands you type, you need to enable the "local echo" setting
in your terminal program.
A new command cannot be received while the probe is sending data out.
Wait until the instrument has completed its response before entering the
next command.
Table 7 Default Serial Communication Settings
You can change the serial settings and operate in RUN, STOP, POLL
and MODBUS modes.
After power-up the probe (in STOP mode) outputs the software version
and the command prompt.
- In RUN mode, a measurement output starts immediately after powerup.
- In POLL mode, the probe does not output anything after power-up. It
must be accessed with an addressed command.
- In MODBUS mode, the probe does not output anything after powerup: serial line commands are not in use and the probe must be used
with the Modbus protocol. For instructions on returning to serial
mode, see Accessing Serial Line Command Interface (RS-485 Mode)
from Analog or Modbus Mode on page 34.
For a description of the modes and the SMODE command that is used to
change the mode, see section Set Serial Interfa ce M ode on page 41.
Installing the Driver for the USB Cable
Before taking the USB cable into use, you must install the provided USB
driver on your PC. When installing the driver, you must acknowledge
any security prompts that may appear.
1. Check that the USB cable is not connected. Disconnect the cable if
you have already connected it.
2. Insert the media that came with the cable, or download the latest
driver from www.vaisala.com/software.
3. Execute the USB driver installation program (setup.exe), and
accept the installation defaults. The installation of the driver may
take several minutes.
4. After the driver has been installed, connect the USB cable to a USB
port on your PC. Windows will detect the new device, and use the
driver automatically.
5. The installation has reserved a COM port for the cable. Verify the
port number, and the status of the cable, using the Vaisala USB Instrument Finder program that has been installed in the
Windows Start menu. The reserved ports are also visible in the
Ports section of the Windows Device Manager.
Remember to use the correct port in the settings of your terminal
program. Windows will recognize each individual cable as a different
device, and reserve a new COM port.
There is no reason to uninstall the driver for normal use. However, if you
wish to remove the driver files and all Vaisala USB cable devices, you
can do so by uninstalling the entry for Vaisala USB Instrument Driver
from the Programs and Features menu in the Windows Control Panel.
In Windows XP and earlier Windows versions the menu is called Add or Remove Programs.
The steps below describe how to connect to digital probes using the
PuTTY terminal application for Windows (available for download at
http://www.vaisala.com/software) and the USB serial interface.
If you have an analog probe, you can still connect to the serial line by
following the instructions in section Accessing Serial Line Command
Interface (RS-485 Mode) from Analog or Modbus Mode on page 34.
1. Connect the USB serial interface cable between your PC and the
probe.
2. Start the PuTTY application.
3. Select the Serial settings category, and check that the correct COM
port is selected in the Serial line to connect to field.
You can check which port the USB cable is using with the Vaisala USB Instrument Finder program that has been installed in the
Windows Start menu.
4. Check that the other serial settings are correct for your connection,
and change if necessary. Refer to Table 7 on page 30 for the default
serial line settings of the probe.
5. Click the Open button to open the connection window and start
using the serial line.
If PuTTY is unable to open the serial port you selected, it will show
you an error message instead. If this happens, restart PuTTY and
check the settings.
6. You may need to adjust the Local echo setting in the Terminal
category to see what you are typing on the serial line. To access the
configuration screen while a session is running, click the right
mouse button over the session window, and select Change Settings... from the pop-up menu.
If the probe is in Modbus mode, to access the serial port command interface,
follow the instructions in
Accessing Serial Line Command
Interface (RS-485 Mode) from Analog or
Modbus Mode
Follow the steps below to connect to the serial line when the probe is in
analog or Modbus mode, or if you have entered incorrect communication
settings, for example, with Modbus configuration registers and the
settings need to be restored using the serial interface. You must use the
Vaisala USB cable (Vaisala order code: 219690) in this case.
1. Connect the USB cable to the PC and install the driver, if
necessary. Do not connect the cable to the probe yet.
2. Open the terminal program and open a connection to the
corresponding COM port using the default settings 19200, 8, N, 1,
no flow control.
3. Select the Serial settings category, and check that the correct COM
port is selected in the Serial line to connect to field.
You can check which port the USB cable is using with the Vaisala USB Instrument Finder program that has been installed in the
Windows Start menu.
NOTE
4. Click the Open button to open the connection window and start
using the serial line.
5. Keep the Enter key pressed down and connect the other end of the
USB cable to the probe. This will cause the probe to start in RS485 mode, using the default serial settings. You can now use the
probe with the terminal program (for information on available
serial commands, see List of Serial Commands on page 36).
6. To prevent the analog or Modbus mode from being restored on the
next power-up, select a different serial mode with the smode
command (see Set Serial Interface Mode on page 41).
7. To switch back to analog mode or Modbus mode from the serial
mode, use the smode analog command or the smode modbus
command to select analog or Modbus mode. Reset or power cycle
the probe to restart in the selected mode..
The probe cannot be used with the MI70 hand-held indicator when the
probe is in analog mode. To use the probe with MI70, enable the serial
mode as instructed above.
Default value (when Modbus is
enabled at the factory)
Device address
240
Bit rate
19200
Number of data bits
8
Parity
N
Number of stop bits
2
Response delay
0
Communication mode
MODBUS
Serial Command
Description
SMODE MODBUS
Enable Modbus communication protocol
SERI b p 8 s
Change baud rate and parity
Bit rates less than 9600 b/s are not supported with Modbus.
ADDR a
Set Modbus address: a = new address (1…247)**
SDELAY d
Add extra Modbus response delay***
d = new delay in units of 1/250 seconds (0…255)
The instrument must be switched off and on before the
setting change
Modbus Communication
The Modbus variant used in HMP60 and HMP110 series probes is
Modbus RTU. For a list of the available Modbus registers, see Appendix
A, Modbus Reference on page 73. The default communication settings
used when Modbus is enabled at the factory (chosen when ordering) are
listed in Table 8 below.
Table 8 Default Modbus Communication Settings
The communication settings can be changed with either serial line
commands (see Table 9 below) or with the related Modbus configuration
registers (see Table 17 on page 74).
NOTE
If the device is already in Modbus mode, open the serial line interface as
instructed in Accessing Serial Line Command Interface (RS-485 Mode)
from Analog or Modbus Mode on page 34.
Table 9 Configuration Commands for Modbus RTU
b = baud rate (9600, 19200, 38400, 57600)
p = parity (E, N, or O)
8 = number of data bits must be 8
s = number of stop bits (2 if parity is N, 1 otherwise*)
* Modbus specification defines that two stop bits must be used if p arity is N.
** Addresses 248 … 255 are not supported by the Modbus standard but work with
HMP 60 and HMP110 series. Address 0 cannot be used on Modbus.
*** Extra response delay can be used, for example, to avoid problems caused by
direction-switchi ng delays in bus converters.
All commands can be issued either in uppercase or lowercase. In the
command examples, the keyboard input by the user is in bold type.
The notation <cr> refers to pressing the carriage return (Enter) key on
your computer keyboard. Press Esc to clear the command buffer before
starting to enter commands.
Table 10 List of Serial Commands (software version 2.0.7)
Close the temporary connection (Back to
POLL mode)
OPEN [0 ... 255]
Open a temporary connection to a POLL
mode device
SERI [baud p d s]
User Port settings (Default: 19200 N 8 1)
baud: 300 ... 57600
SMODE
VDIGI/ANALOG]
Set the serial interface mode
Table 11 Additional Commands for Probes with RS-485 Output
[STOP/RUN/POLL/MODBUS/
Device Information and Status
View D evice Informatio n
The ? command outputs a listing of device information.
?<cr>
Example (output from HMP63):
?
HMP63 / 1.0.4
Serial number : H3640004
Batch number : T0001109
Sensor number : H0000322
Sensor model : Intercap
Order code : A12A0A2B0
Cal. date : 20120907
Cal. info : VAISALA/HEL
Time : 00:21:05
Serial mode : ANALOG
Baud P D S : 19200 N 8 1
Output interval: 1 S
Serial delay : 30
Analog delay : 10 S
Address : 0
Filter : 1.000
Ch1 output : 0 ... 1 V
Ch2 output : 0 ... 1 V
Ch1 RH lo : 0.00 %RH
Ch1 RH hi : 100.00 %RH
Ch2 T lo : -40.00 'C
Ch2 T hi : 60.00 'C
If the probe is in poll mode, but a connection has not been opened using
the OPEN command, issue the ?? command. For a description of the
serial interface modes, see section Set Serial Line Settings on page 40.
cdate 20151125
Cal. date : 20151125
ctext Calibrated in Room 1
Cal. info : Calibrated in Room 1
View Order Code
Use the CODE command to view the order code that has been stored in
the probe. This command is useful if you need to order a new probe with
the same options.
Outputting the results continues in intervals issued with the command
INTV. You can stop the output by entering the S command.
Stop Measurement Output
Use the S command or press the Esc key to stop the continuous
measurement output.
S<cr>
Output the Measurement Message On ce
Use the SEND command to output the measurement values once. If the
probe is in POLL mode and the line is not open for commands, specify
the address of the probe to receive the measurement message.
SEND [aaa]<cr>
Example (probe in STOP mode, no address needed):
send
T= 22.7 'C RH= 20.0 %RH Td= -1.5 'C
Example (probe in POLL mode, with address 10):
send 10
T= 22.8 'C RH= 20.1 %RH Td= -1.3 'C
Configuring Serial Line Operation
Set Serial Line Settings
Use the SERI command to show or set the serial line settings. The new
settings will be taken into use when the probe is reset or powered up.
Operation mode of the serial interface. See Table 12 below.
Mode
Description
STOP
Probe outputs onl y when a command is issued. Any command
can be used.
RUN
Probe automatically outputs measurement messages on the
the output.
POLL
Probe outputs only when a command is issued. Probes
on page 52.
MODBUS
Measurement outputs must be read from the transmitter using the
on page 73.
VDIGI
Special serial interface mode that is only used for interoperability
mode is set at Vaisala for probes that are ordered for such use.
ANALOG
No serial line, analog outputs active. For instructions on how to
Modbus Mode on page 34.
Example (shows default settings):
seri
Baud P D S : 19200 N 8 1
Set Serial Interf ace Mode
Use the SMODE command to set the operation mode of the serial
interface. The new mode is applied when probe is reset.
SMODE [xxx]<cr>
Table 12 Serial Interface Modes
serial line. Only command S or the Esc key can be used to stop
communicate one at a time when the specific address is called on
the serial line, which is useful when more than one probe is
connected to one serial bus. Any command can be used after the
line has been opened using the OPEN command.
See descriptions of the commands ADDR on page 43
Modbus protocol. For more information on Modbus, see Modbus
Communication on page 35 and Appendix A, Modbus Reference
with Vaisala devices such as HMT120, HMT130, and HM40. This
enter the serial line when in analog mode, see section Accessing
Serial Line Command Interface (RS-485 Mode) from Analog or
In the RUN mode, the probe may send the measurement data message
right as you are typing the S command to stop the sending. Therefore,
you may need to repeat the S command. This must be noted especially
when designing computer programs to access the probe.
Set Output Interval
Use the INTV command to show or set the output interval of the serial
line measurement messages (applies when R command or RUN mode is
used). The shortest output interval is one second. This command has no
effect on the operation of the analog output.
INTV [n xxx]<cr>
Example:
intv 1 s
Value : 1
Unit : S
Set Measurement Filtering
Use the FILT command to view or set the speed at which the latest
measurement result is integrated into the humidity and temperature
readings. The command affects both analog output and serial line output.
Range 0 ... 255. Value corresponds to four
milliseconds (for example, 5 = 0.020 second
minimum answer delay)
Set Probe Address
Use the ADDR command to view or set the probe address. To operate in
the POLL mode, the probe must have an address. If multiple probes share
the same serial line, each probe must have a different address.
For a description of the serial interface modes, see section Set Serial Line
Settings on page 40.
ADDR [nn]<cr>
Example:
addr
Address : 0
Set Serial Interf ace Delay
Use the SDELAY command to view or set the serial interface answer
minimum delay.
Use the CRH command to perform a one-point or two-point correction to
the capacitance measurement of the probe. This command changes the
offset and/or gain of the humidity measurement, depending on the
calibration and reference:
- one-point calibration with a single < 50 %RH reference will adjust the
offset of the capacitance measurement
- one-point calibration with a single > 50 %RH reference will adjust the
gain of the capacitance measurement
- two-point calibration will adjust both offset and gain. The first point
requires a < 50 %RH humidity reference, the second point must be
> 50 %RH. There must also be at least 30 percentage point difference
between the references.
CRH [reference]<cr>
This command is not available on the HMP110T.
When performing a one-point calibration, you need to place the probe in
the reference humidity and wait for 20 – 40 minutes for the humidity to
stabilize. To apply the adjustment, enter the CRH command with the
reference %RH as a parameter.
Example: one-point calibration with NaCl reference (75 %RH):
crh 75
OK
Giving the command without parameters starts the two-point calibration.
Remember to allow the humidity to stabilize for 20 - 40 minutes after
changing the reference.
Example: two-point calibration with LiCl (11 %RH) and NaCL
(75 %RH) references:
crh
RH : 11.2684 1. ref ? 11
Press any key when ready ...
RH : 75.0612 2. ref ? 75
OK
Use the CRHCLR command to clear the adjustment of RH measurement
that has been done using the CRH command. This command is not
available on the HMP110T.
CRHCLR<cr>
Example:
crhclr
OK
Calibrate Temp er at ure Measurement
Use the CT command to perform a one-point or two-point temperature
(T) calibration. One-point calibration adjusts the offset for the
measurement, two-point calibration adjusts offset and gain.
CT [reference]<cr>
When performing a one-point calibration, you need to place the probe in
a single temperature reference and wait for 20 – 40 minutes for the
temperature to stabilize. To apply the adjustment, enter the CT command
with the reference temperature as a parameter.
Example: one-point calibration
ct 23.5
OK
Giving the command without parameters starts the two-point calibration.
Remember to allow the temperature to stabilize for 20 - 40 minutes after
changing the reference. The first reference point must be smaller than the
second point, and the difference between the reference points must be
more than 30 ºC. To update the measured value while the command is
running, press enter without inputting a value.
Example: two-point calibration
ct
T : 22.03 Ref1 ? 22
Press any key when ready ...
T : 55.12 Ref2 ? 55
OK
Example (show current output parameters and scaling):
asel ?
Ch1 RH lo : 0.00 %RH ?
Ch1 RH hi : 100.00 %RH ?
Ch2 T lo : -20.00 'C ?
Ch2 T hi : 80.00 'C ?
Example (change channel 1 to output dewpoint temperature, adjust
scaling to -40 ... 60 °C for channel 1 and to -20 ... 80 °C for channel 2):
asel td t -40 60 -20 80
Ch1 Td lo : -40.00 'C
Ch1 Td hi : 60.00 'C
Ch2 T lo : -20.00 'C
Ch2 T hi : 80.00 'C
Example (change channel 1 to output temperature and channel 2 to
output relative humidity, adjust scaling for channel 1 to -40 ... 60 °C
when prompted):
asel t rh
Ch1 T lo : -20.00 'C ? -40
Ch1 T hi : 80.00 'C ? 60
Ch2 RH lo : 0.00 %RH ?
Ch2 RH hi : 100.00 %RH ?
Error level of the analog output for channel 1. The available
range depends on the output
command).
ch2
=
Error level of the analog output for channel 2. The available
range depends on the output
command).
Set Analog Output Error Indication Level
If the device is malfunctioning, the analog output is set to a specified
level. This overrides the normal measurement output of the channel. The
default error level is 0 V, or another value predefined by the customer
when ordering the device. You can set the level using the AERR
command. This command is not available on the HMP110D.
AERR[ch1 ch2] <cr>
mode (check with AMODE
mode (check with AMODE
NOTE
Example (show present output modes):
amode
Ch1 output : 0 ... 1 V
Ch2 output : 0 ... 1 V
Example (check present analog output error level):
aerr
Ch1 error out: 0.000V ?
Ch2 error out: 0.000V ?
Example (set analog output error level to 1 V on both channels):
aerr 1 1
Ch1 error out: 1.000V ?
Ch2 error out: 1.000V ?
The error output value is displayed only when there are minor electrical
faults such as humidity sensor damage. When there is a severe device
malfunction, the error output value is not necessarily shown.
Maximum reading of the RH parameter. The possible values
are 100.0 … 120.0. The default value is 100.0.
Extend Analog Output Range
Use the AOVER command to allow the analog output channels to
exceed their specified range by 10%. The scaling of the quantity remains
as before; the extra range is used for additional measurement range in the
wet end. This command is not available on the HMP110D.
AOVER [ON/OFF]<cr>
The following example illustrates how the analog output is affected.
Channel 1 outputs Td with voltage output 0 … 5 V (-40 °C … +60 °C).
After giving the AOVER ON command, the range is 0 … 5.5 V
(-40 °C … +70 °C). Note that the +60 °C T
point is still at 5 V.
d
Example:
aover on
AOVER : ON
Extend Maximum RH Reading
With digital output, use the RHLIMIT command to set the maximum
RH reading from 100% (default) up to 120%.
With analog output, the RHLIMIT command allows you to extend the
high limit of the analog output scaling up to 120%. This command does
not change the scaling automatically. To change the scaling, use the
ASEL command (see Set Analog Output Parameters and Scaling on page
Use the FRESTORE command to restore the factory settings to the
probe. All user settings, including the user-performed calibration
corrections, will be lost. The probe will revert back to the factory
calibrated settings.
This chapter provides information that is needed in basic maintenance of
the HMP60 and HMP110 series probes.
Periodic Maintenance
The humidity measurement accuracy of the HMP60 and HMP110 series
probes should be calibrated yearly. When calibration indicates that
accuracy is not within specification:
- HMP60 and HMP63: change the INTERCAP® sensor.
- HMP110 and HMP113: adjust the measurement yourself, or have it
adjusted at a Vaisala Service Center.
Light cleaning of the probe, and replacement of the filter should be done
only when necessary.
Cleaning
The probe body can be wiped clean with a soft, lint-free cloth moistened
with mild detergent. Do not use solvents or compressed air.
Note that wiping the membrane filter or stainless steel sintered filter may
block its pores and/or deposit residue on the filter. If the filter is heavily
contaminated, replace it.
Changing the Filter
The filter on the probe should be replaced when it is damaged or dirty.
1. Turn the filter counter-clockwise to loosen it.
2. Remove the filter from the probe. Be careful not to touch the
sensors with the filter. Without the filter in place, the sensors are
easily damaged – han dl e th e probe carefully.
3. Install a new filter on the probe, and tighten it so it is finger-tight.
Make sure the filter sits straight and meets the threads properly.
The probe cannot be used with the MI70 hand
probe is in analog mode. To use the probe with MI70, enable the serial
mode as instructed in
485 Mode) from Analog or Modbus Mode
analog mode, use the
Interface Mode
New filters can be ordered from Vaisala. For available filters, see section
Filter Options on page 13. The order codes of the filters are listed in
section Options and Accessories on page 72.
Calibration Procedure
To calibrate your probe, you need a known stable humidity or
temperature reference, and a way to read the output of the probe (analog
output, serial output, or the MI70 indicator). As a humidity reference
you can use, for example, the Vaisala Humidity Calibrator HMK15.
NOTE
-held indicator when the
Accessing Serial Line Command Interface (RS-
on page 34. To return to
smode analog serial line command (see Set Serial
on page 41).
Refer to chapter Technical Data on page 67 for accuracy specifications of
the probes.
1. Connect the power/signal cable or MI70 connection cable to the
probe, but do not power it up yet.
2. Remove the filter from the probe and place the probe in the
reference environment. For example, you can use a NaCl salt
chamber (75 %RH) as the humidity reference.
3. Wait for 20 – 40 minutes for the reading to stabilize.
4. Power up the probe and wait for one minute.
5. Check the measurement reading, and compare it with the reading
Adjustment Procedure Using Serial Line
(HMP110, HMP110D and HMP113)
NOTE
If you are adjusting a probe that is in the analog output mode, see section
Accessing Serial Line Command Interface (RS-485 Mode) from Analog
or Modbus Mode on page 34 for instructions on how to start the probe in
RS-485 mode.
One-Point Adjustment of RH
Measurement (HMP110, HMP110D and
HMP113)
To perform a one-point adjustment to the capacitance measurement of
the HMP110, HMP110D or HMP113 using serial line, you need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- One humidity reference. One-point adjustment with a single
< 50 %RH reference will adjust the offset parameter of the
measurement. One-point adjustment with a single > 50 %RH
reference will adjust the gain parameter of the measurement.
The procedure below uses the HMK15 Humidity Calibrator. LiCl salt
(11 %RH) is used as the reference point.
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the LiCl
salt chamber of the humidity calibrator (11 %RH).
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the humidity to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
the current user adjustment parameters.
l
8. Use the ERRS command to see that no errors are active:
errs
9. Give the CRH command, with the %RH value of the reference as a
parameter (in this case 11 for LiCl):
crh 11
OK
10. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of RH calibration (returning the
RH measurement of the probe to the factory calibrated state), see
section Clear Adjustment of RH Measurement on page 46.
Two-Point Adjustment of RH
Measurement (HMP110, HMP110D and
HMP113)
To perform a two-point adjustment to the capacitance measurement of
the HMP110, HMP110D or HMP113 using serial line you need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- Two humidity references. The first point requires a < 50 %RH
humidity reference, the second point must be > 50 %RH. There must
also be at least 30 %RH difference between the references.
The procedure below uses the HMK15 Humidity Calibrator. LiCl salt
(11 %RH) is used as the first reference point, NaCl (75 %RH) as the
second.
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the LiCl
salt chamber of the humidity calibrator (11 %RH).
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the humidity to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
the current user adjustment parameters.
l
8. Use the ERRS command to see that no errors are active:
errs
9. Use the SEND command to verify the currently measured RH
value:
send
T= 22.9 'C RH= 11.1 %RH Td= -8.0 'C
10. Give the CRH command with the RH value of the humidity
reference as a parameter:
crh 11
OK
11. After entering the correction, unplug the USB cable from the probe.
Insert the probe in the NaCl salt chamber (75 %RH) and wait for
20 – 40 minutes for humidity and temperature to stabilize.
12. Connect the USB cable to the probe and use the SEND command
to see the currently measured value.
13. Give the CRH command with the RH value of the humidity
reference as a parameter:
crh 75
OK
14. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of RH calibration (returning the
RH measurement of the probe to the factory calibrated state), see
section Clear Adjustment of RH Measurement on page 46.
One-Point Adjustment of T Measurement
(HMP110, HMP110D, HMP113, and
HMP110T)
To perform a one-point adjustment to the temperature measurement of
the HMP110, HMP110D, HMP113, or HMP110T using serial line you
need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- One known and stable temperature reference.
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the
temperature reference.
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the temperature to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
8. Use the ERRS command to see that no errors are active:
errs
9. Give the CT command, with the temperature value of the reference
as a parameter:
ct 23.5
OK
10. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of T calibration (returning the T
measurement of the probe to the factory calibrated state), see
section Clear Adjustment of T Measurement on page 47.
Adjustment Procedure Using MI70 Indicator
(HMP110, HMP110D and HMP113)
NOTE
NOTE
The probe cannot be used with the MI70 hand-held indicator when the
probe is in analog mode. To use the probe with MI70, enable the serial
mode as instructed in Accessing Serial Line Command Interface (RS485 Mode) from Analog or Modbus Mode on page 34. To return to
analog mode, use the smode analog serial line command (see Set Serial
Interface Mode on page 41).
One-Point Adjustment of RH
Measurement (HMP110, HMP110D an d
HMP113)
If you want to perform a two-point adjustment instead of a one-point
adjustment, use the serial line. See Two-Point Adjustment of RH
Measurement (HMP110, HMP110D and HMP113) on page 57.
To perform a one-point adjustment to the capacitance measurement of
the HMP110, HMP110D or HMP113 using the MI70 indicator, you
need:
- One humidity reference. One-point adjustment with a single
< 50 %RH reference will adjust the offset parameter of the
measurement. One-point adjustment with a single > 50 %RH
reference will adjust the gain parameter of the measurement.
The procedure below uses the HMK15 Humidity Calibrator. LiCl salt (11
%RH) is used as the reference point.
1. Connect the probe to Port I of the MI70 indicator.
2. Turn on the MI70 indicator.
3. Start the adjustment sequence from Main menu > Functions >
Adjustments.
4. MI70 notifies you that automatic power off is disabled during
adjustment mode, press OK to acknowledge.
5. Select the RH parameter when prompted.
6. Now the adjustment mode is on, press ADJUST to select the
adjustment method.
7. Select 1-point adjustment, press SELECT. Press OK to continue.
8. Insert the probe in the LiCl salt chamber of the humidity calibrator
(11 %RH).
You can follow the stabilization from the GRAPH display. Press
READY when the reading is stabilized.
9. Give the reference humidity value by using the arrow buttons.
Press OK.
10. Confirm the adjustment, press YES (by pressing NO you return to
adjustment mode display and no changes are made).
11. Adjustment has been carried out. Press BACK to exit the
adjustment mode, and press EXIT to return to the basic display.
One-Point Adjustment of Temperature
Measurement
Temperature adjustment can be done if there is reason to believe that the
adjustment is changed. In a 1-point adjustment, make sure the reference
condition represents the measuring environment.
To perform a one-point adjustment to the temperature measurement of
the HMP110, HMP110D or HMP113 using the MI70 indicator, you
need:
1. Connect the probe to Port I of the MI70 indicator.
2. Turn on the MI70 indicator.
3. Start the adjustment sequence from Main menu > Functions > Adjustments.
4. MI70 notifies you that automatic power off is disabled during
adjustment mode, press OK to acknowledge.
5. Select the T parameter when prompted.
6. Now the adjustment mode is on, press ADJUST to select the
adjustment method.
7. Select 1-point adjustment, press SELECT.
8. Set the probe to a reference temperature. You can follow the
stabilization from the GRAPH display. Press READY when the
reading is stabilized in the reference.
9. Give the reference temperature value by using the arrow buttons.
Press OK.
10. Confirm the adjustment, press YES (by pressing NO you return to
adjustment mode display and no changes are made).
11. Calibration is carried out. Press BACK to exit the adjustment mode
and EXIT to return to the basic display.
This procedure restores the humidity measurement accuracy of the probe.
No adjustment after the sensor change is needed.
To perform this procedure, you need a new INTERCAP® sensor. It is
also recommended that you replace the filter with a new one. For order
codes, see section Options and Accessories on page 72.
1. Remove the filter from the probe by turning it counter-clockwise.
2. There are two sensors under the filter, the INTERCAP® sensor and
a temperature sensor. Identify the INTERCAP® sensor – do not
touch the temperature sensor.
1210-035
Figure 24 INTERCAP® Sensor
3. Pull out the old INTERCAP® sensor and insert a new one. Refer to
Figure 25 below. Handle the new sensor by the plastic frame.
DO NOT TOUCH THE SENSOR PLATE.
Replacing the humidity sensor of the HMP110
is n
not seem to be within specification, it is likely that the accuracy can be
restored by performing
Adjustment of RH Measurement
on page
Changing the HUM ICAP® 180R Sensor
(HMP110, HMP110D and HMP 113)
NOTE
, HMP110D and HMP113
ot necessary in normal operation. If the accuracy of the probe does
the adjustment procedure. See section Two-Point
(HMP110, HMP110D and HMP113)
57.
Follow this procedure to replace the humidity sensor of the HMP110,
HMP110D and HMP113 in case it has been damaged, or normal
adjustment is not sufficient to restore the measurement accuracy.
Calibration and adjustment of the humidity measurement is required after
the sensor change.
To perform this procedure, you need a new HUMICAP® 180R sensor. It
is also recommended that you replace the filter with a new one. For
order codes, see section Options and Accessories on page 72.
1. Remove the filter from the probe by turning it counter-clockwise.
2. There are two sensors under the filter, the HUMICAP® sensor and
a temperature sensor. Identify the HUMICAP® sensor – do not
touch the temperature sensor.
1210-035
Figure 26 HUMICAP® 180R Sensor
3. Pull out the old HUMICAP® 180R sensor and insert a new one.
Refer to Figure 25 on page 63. Handle the new sensor by the plastic
frame. DO NOT TOUCH THE SENSOR PLATE.
4. Perform a two-point adjustment of the RH measurement as
instructed in section Two-Point Adjustment of RH Measurement
(HMP110, HMP110D and HMP113) on page 57.
This chapter describes common problems, their probable causes and
remedies, and contact information for technical support.
Analog Output Error Notification
If the device is unable to measure due to an error, the analog output will
be set to an error level. The default error level is 0 V, or another value
predefined by the customer when ordering the device.
You can change the analog output error level using the AERR command,
see section Set Analog Output Error Indication Level on page 50.
Solving Typical Problems
You can check the error message via the serial interface by using the
ERRS command. If you are unable to remove the errors, contact Vaisala
technical support. See section Technical Support on page 66.
Table 13 Troubleshooting Table
any of the following errors
active:
- T meas error
appears to be wrong.
and check.
- Check the supply voltage of the probe.
- Check the output mode of the probe using serial
line.
sensor.
- Use the L command to check the currently
applied calibration correction.
Chapter 7 _____________________________________________________________ Technical Data
CHAPTER 7
TECHNICAL DATA
This chapter provides the technical data of the HMP60 and HMP110
series probes.
Specifications
Performance (HMP60 and HMP63)
Relative Humidity
Measurement range 0 ... 100 %RH
Typical accuracy
temperature range +0 ... +40 °C
0 ... 90 %RH ±3 %RH
90 ... 100 %RH ±5 %RH
temperature range -40 ... 0 °C
and +40 ... +60 °C
0 ... 90 %RH ±5 %RH
90 ... 100 %RH ±7 %RH
Humidity sensor Vaisala INTERCAP®
Temperature
Measurement range -40 ... +60 °C
Accuracy over temperature range
+10 ... +30 °C ±0.5 °C
-40 ... +60 °C ±0.6 °C
Dewpoint
Measurement range -40 ... +60 °C
Typical accuracy
temperature range 0 ... +40 °C
when dewpoint depression* < 15 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +60 °C when
dewpoint depression* < 10 °C ±3 °C
*dewpoint depression = ambient temperature - dewpoint
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
temperature range +0 ... +40 °C
0 ... 90 %RH ±1.5 %RH
90 ... 100 %RH ±2.5 %RH
temperature range -40 ... 0 °C
and +40 ... +80 °C
0 ... 90 %RH ±3.0 %RH
90 ... 100 %RH ±4.0 %RH
Factory calibration uncertainty (+20 °C) 0 … 90%RH ±1.1 %RH
90 … 100%RH ±1.8 %RH
Humidity sensor Vaisala HUMICAP® 180R
Stability ±2 %RH over 2 years
Response time (t90)
with plastic grid filter approx. 17 s
with membrane filter approx. 20 s
with stainless steel sintered filter approx. 60 s
Temperature
Measurement range -40 ... +80 °C
Accuracy over te mperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Dewpoint
Measurement range -40 ... +80 °C
Accuracy (incl. non-linearity,
hysteresis and repeatability)
temperature range 0 ... +40 °C
when dewpoint depression < 15 °C ±1 °C
when dewpoint depression 15 ... 25 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +80 °C when
dewpoint depression < 15 °C ±2 °C
Chapter 7 _____________________________________________________________ Technical Data
Performance (HMP113)
Relative Humidity
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
temperature range +0 ... +40 °C
0 ... 90 %RH ±1.5 %RH
90 ... 100 %RH ±2.5 %RH
temperature range -40 ... 0 °C
and +40 ... +60 °C
0 ... 90 %RH ±3.0 %RH
90 ... 100 %RH ±4.0 %RH
Factory calibration uncertainty (+20 °C) ±1.5 %RH
Humidity sensor Vaisala HUMICAP® 180R
Stability ±2 %RH over 2 years
Temperature
Measurement range -40 ... +60 °C
Accuracy over temperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +60 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Cl ass F0.1 IEC 60751
Dewpoint
Measurement range -40 ... +60 °C
Accuracy (incl. non-linearity,
hysteresis and repeatability)
temperature range 0 ... +40 °C
when dewpoint depression < 15 °C ±1 °C
when dewpoint depression 15 ... 25 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +60 °C when
dewpoint depression < 15 °C ±2 °C
Performance (HMP110T)
Temperature
Measurement range -40 ... +80 °C
Accuracy over temperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Operating temperature range
HMP60 -40 ... +60 °C
HMP63 -40 ... +60 °C
HMP110 -40 ... +80 °C
HMP113 -40 ... +60 °C
HMP110D -40 ... +80 °C
HMP110T -40 ... +80 °C
Operating humidity range 0 ... 100 %RH, non-condensing
Electromagnetic compatibility
HMP60, HMP110, HMP110D
and HMP110T EN 61326-1: Electrical equipment for
measurement, control and laboratory use EMC requirements – for use in industrial
locations.
EN 55022 Class B: Information technology
equipment - Radio disturbance characteristics
- Limits and methods of measureme nt.
HMP63 and HMP113 EN 61326-1: Electrical equipment for
measurement, control and laboratory use EMC requirements – Basic immunity test
requirements.
EN 55022 Class B: Information technology
equipment - Radio disturbance characteristics
- Limits and methods of measureme nt.
Inputs and Outputs
Operating vo lta ge
with 0...1 V / 2.5 V or RS-485 5 ... 28 V
with 0...5 V / 1 ... 5 V 8 ... 28 V
Current consumption
typical average 1 mA
max peak 5 mA
Start-up time
probes with a nalog output 4 s at operating voltage 13.5 ... 16.5 VDC
2 s at other valid op e ra ting vo l tage s
probes with digital output 1 s
Outputs
HMP60, HMP63, HMP110,
HMP113 and HMP110T
analog output c hannels 2
analog output t ypes 0 ... 1 VDC / 2.5 VDC / 5VDC, 1 ... 5 VDC
with loop power converter 4 ... 20 mA (separate module, compatible
with humidity accuracy only)
digital output (for service use) RS-485 two-wire half-duplex
HMP110D
digital output RS-485 two-wire half-duplex
Chapter 7 _____________________________________________________________ Technical Data
External loads
0 ... 1 R
0 ... 2.5 / 0 ... 5 / 1 ... 5 V R
min 10 kΩ
L
min 50 kΩ
L
Mechanics (HMP60, HMP110, HMP110D
and HMP110T)
Materials
body Stainless steel (AISI 316)
grid filter Chrome coated ABS plastic
cable Polyurethane or FEP
Housing classificati on IP65
Body thread M12x1 / 10 mm
Cable connector 4-pin M8 (IEC 60947-5-2)
Cable lengths 0.3 and 3 m
Weight
probe 17 g
probe with 0.3 m cable 28 g
Mechanics (HMP63 and HMP113)
Materials
body PC/ABS blend
grid filter PC (glass reinforced)
cable Polyurethane of FEP
Housing classificati on IP54
Cable connector 4-pin M8 (IEC 60947-5-2)
Cable lengths 0.3 and 3 m
Weight
probe 9 g
probe with 0.3 m cable 20 g
Appendix A _________________________________________________________ Modbus Reference
Function
(decimal)
Function Code
Function Name
Notes
3
03
Read Holding Registers
See Table 17 on page 74
for available registers.
16
10
Write Multiple Registers
See Table 17 on page 74
for available registers.
43 14
2B 0E
Read Device Identification
See Table 18 on page 76
identification objects.
After power
APPENDIX A
MODBUS REFERENCE
This appendix describes the Modbus protocol implementation of the
HMP60/HMP110 series probes. For information on Modbus
communication and instructions on accessing Modbus mode and
configuring the communication settings, see Modbus Communication on
page 35.
- Supported Modbus functions are described in Table 16 below.
- Supported measurement and configuration registers are described in
Table 17 on page 74.
- Device identification objects are described in Table 18 on page 76.
- Communication test registers are described in Table 19 on page 76.
Supported Modbus Functions
Table 16 below lists the function codes supported in the
HMP60/HMP110 series Modbus RTU implementation.
Appendix A _________________________________________________________ Modbus Reference
PDU address
Actual address bytes used in a Modbus Protocol Data unit.
LSW
Least significant word (bits 15 … 0).
MSW
Most significant word (bits 31 … 16).
16-bit integer
Numeric value in range -32768 … +32767.
32-bit bit field
32 individual values, each 0 or 1.
32-bit integer
Numeric value in range -2147483648...+2147483647.
32-bit float
Floating point number encoded in IEEE 754 "binary32" format.
N-byte string
Text up to N-1 characters with 0-byte(s) at the end.
read-only
Register value cannot be changed with Modb us functions.
read/write
Register value can be changed with Modbus functions.
write-only
Register value can be written but is always read as zero.
If incompatible settings/protocol are selected and the probe is then
restarted, it might no longer be possible to commu
using Modbus. If needed, you can override invalid communication
settings configured in Modbus mode by switching to the serial line mode
as instructed in
Mode) from Analog or Modbus Mode
settings with serial line commands.
Modbus RTU requires 8 data bits and is supported only at bit rates 9600 b/s and above.
Modbus RTU specification recommends N82, E81, or O81 only.
A complete 32-bit value (two Modbus registers) must be read and written in a single Modbus
transaction.
A “quiet NaN” value is returned for unavailable floating-point values (e.g. in case of
measurement error). Several registers may be read in one transaction, even if there are gaps in
the register map. Registers not listed contain typically value NaN or 0.