E+E EE660 Operating Manual
USERʼS GUIDE
V+
GND
AV
1
2
3
+
-
~
~
V/mA
EE660 - Low Air Velocity Sensor
SCOPE OF SUPPLY
• EE660 Low Air Velocity Sensor
• Cable gland (two pieces at output RS485 for daisy chain wiring)
• Mounting flange
• Mounting materials
• Protection cap
• Quick guide
• Two self-adhesive labels for configuration changes (see user guide at www.epluse.com/relabeling)
• Test report according to DIN EN10204 - 2.2
CAUTION
• Accurate measurement results are conditioned by the correct positioning of the sensing probe in the air stream. Best accuracy
is achieved in laminar flow.
• Observe the minimum inlet and outlet path length, see page 5.
• Avoid mechanical stress onto the probe and mainly onto the sensing head.
• Observe the humidity working range 5…95% RH, non-condensing.
• Avoid installation in corrosive environment, as this may lead to sensor destruction.
CONNECTING DIAGRAM
Analogue output
Power supply
24 V AC/DC ±20%
1 ... V+ = supply voltage
2 ... GND = ground
3 ... AV_U = voltage output air velocity
4 ... AV_I = current output air velocity
RS485 Interface
+
~
~
power supply
24 V AC/DC ±20 %
mA
RS485
V
GND
A (=D+)
B (=D-)
Remote probe
b ... brown
g ... green
y ... yellow
w ... white
s w y g b
s ... black
S2
S1
ON
S1: Response time t
ON: slow
OFF: fast
90
GND
AV_U
AV_I
V+
Address switch
Remote probe
S2: Termination resistor
bgyws
b ... brown
V+
1
2
3
4
g ... green
y.... yellow
w... white
s.... black
1
2
3
4
120 Ohm
ON/OFF
Supply and
RS485 interface
1
ANALOGUE SETTINGS
t90
HI
MED
LO
t90
LO
t90
HI
MED
LO
t90
HI
MED
LO
t90
HI
MED
LO
t90
HI
MED
LO
t90
LO
t90
HI
MED
LO
t90
HI
MED
LO
t90
LO
t90
HI
MED
LO
t90
LO
t90
HI
MED
LO
t90
t90
HI
MED
LO
t90
HI
MED
LO
0 0 0 0 0 0 0 0
0
1 1 0 1 0 0 0 0
0
For performing EE660 settings via EE-PCS Product Configuration Software (download from www.epluse.com/configurator) the
working range jumper must be on HI.
Selection of response time t
Selection of measuring range
Selection of response time t
HI
MED
Jumper t90
SLOW 4 sec.
(factory setting)
Selection of measuring range
HI
MED
Jumper HI
0...2 m/s
(factory setting)
(0...400 ft/min)
90
90
HI
MED
No jumper
FAST 1 sec.
HI
MED
Jumper MED
0...1.5 m/s (0...300 ft/min)
HI
MED
LO
No jumper
0...1 m/s (0...200 ft/min)
DIGITAL SETTINGS
Hardware
The bus termination shall be realized with the 120 Ohm resistor on board, slide switch S2.
Very important:
For proper function the power supply must be strong enough to ensure supply voltage within the specified range (see technical data)
at any time and at all devices in the bus. This is particularly relevant when using long and thin cables which can cause high voltage
drop; please note that a single EE660 requires peak current of 150 mA.
Address Setting
Address Switch
Address Switch
Address setting via EE-PCS Product Conguration Software:
All DIP switches at position 0 → address has to be set via PCS
Modbus (Slave device): factory setting EE660: 65 (permitted values: 1…247).
1
BACnet (Master device): factory setting EE660: 65 (permitted values: 0…127).
Example: Slave address is set via conguration software.
Address setting via DIP switch:
Modbus (Slave device): Setting the DIP switches to any other address than 0, overrules the slave
address set via configuration software (permitted values: 1…247).
1
BACnet (Master device): Setting the DIP switches to any other address than 0, overrules the slave
address set via configuration software.
BACnet Note: permitted values are 0…127.
The 8th bit of the DIP switches is ignored (ID 127 = 0111 111).
To set address 0 via DIP switches, the 8th bit shall be set to 1 (ID 0 = 1000 0000).
Example: Slave address set to 11 (= 0000 1011 binary).
2
BACnet Setup
Please see PICS (Product Implementation Conformance Statement) - available on www.epluse.com/EE660
Modbus Setup
FLOAT (read register):
Function code /
Register number1) [Dec]
31003 0x03EA Temperature [°C]
31005 0x03EC Temperature [°F]
31041 0x0410 Airow [m/s]
31043 0x0412 Airow [ft/min]
Register address
[HEX]
2)
Parameter
name
SHORT (read register)3):
Function code /
Register number1) [Dec]
34002 0x0FA1 Temperature* [°C]
34003 0x0FA2 Temperature** [°F]
34021 0x0FB4 Airow* [m/s]
34022 0x0FB5 Airow*** [ft/min]
* Values are stored with the scale 1:100 (e.g.: 2550 is equivalent to 25.5 °C)
** Values are stored with the scale 1:50 (e.g.: 2550 is equivalent to 51 °F)
*** Values are stored with the scale 1:1
Register address
[HEX]
2)
Parameter
name
INFO (read register):
Function code /
Register number1) [Dec]
30001 0x00 Serial number (as ASCII)
30009 0x08 Firmware version
1) Register number starts from 1
2) Register number starts from 0
3) For Modbus protocol setting please see Application Note Modbus (www.epluse.com)
Register address
[HEX]
2)
Parameter
name
INTEGER (write register):
Function code /
Register number
* If the ID is set via DIP-Switch the response will be NAK.
1)
60001 0x00 Slave-ID* (modbus address)
60002 0x01 Modbus protocol settings
[Dec]
Register address
[HEX]
2)
Parameter
name
MODBUS RTU EXAMPLE
Example of MODBUS RTU command for reading the temperature (oat value) T = 26,652524 °C from the register 0x03EA
Device EE660; slave ID 65
Reference document, chapter 6.3: http://www.modbus.org/docs/Modbus_Application_Protocol_V1_1b.pdf
Request [Hex]: 41 03 03 EA 00 02 EB 7B
Modbus ID
address
Request [Hex]: 41 03 03 EA 00 02 EB 7B
Response [Hex]: 41 03 04 38 5F 41 D5 0A E3
Function
code
Starting
address Hi
Starting
address Lo
No. of
register Hi
No. of
register Lo
CRC
3)
Modbus ID
address
Function
code
Byte count
Register 1
value Hi
Register 1
value Lo
Register 2
value Hi
Register 2
value Lo
CRC
Response [Hex]: 41 03 04 38 5F 41 D5 0A E3
For decoding of oat values (according IEEE754 format), please refer to AN0103, chapter 7 (page 6).
7.2 Modbus oating point format
E+E devices use the Modbus oating point format. The byte pairs 1, 2 and 3, 4 are inverted as follows:
MMMMMMMM MMMMMMMM SEEEEEEE EMMMMMMM
Byte 3 Byte 4 Byte 1 Byte 2
Example:
Response [Hex] Value in decimal
41 D5 38 5F 26.652524
Protocol setting:
Address, baudrate, parity and stop bits can be set via:
1. Product Congurator Software (available on www.epluse.com/EE660)
2. Modbus protocol (please see Application Note Modbus (available on www.epluse.com/EE660)
3
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