EE600 with RS485 Interface
BACnet
Modbus
Factory settings
Selectable values
Factory settings
Selectable values
Baud rate
As ordered per type number
9600, 19200, 38400, 57600, 76800
As ordered per type number
9600, 19200, 38400
Data bits
8
8
8
8
Parity
None
None
Even
None, odd, even
Stop bits
1
1
1
1, 2
Address
43
0...127
43
1...247
BACnet Protocol
The bus termination shall be realized with 120 Ω resistor (slide switch on board).
1) Register number starts from 1 2) Protocol address starts from 0 3) 1xx is scale. E.g. for 1:100, reading of 2550 is equivalent to 25.5
Modbus Protocol
The EE600 PICS (Product Implementation Conformance Statement) is available on the website at
The recommended settings for multiple devices in a BACnet MS/TP network are 38400, 8, None, 1.
Address and Baud rate can be set via:
1. PCS10, Product Configuration Software and the USB configuration adapter cable HA011066.
2. BACnet protocol, see the PICS.
The recommended settings for multiple devices in a Modbus RTU network are 9600, 8, even, 1.
Address, Baud rate, parity and stop bits can be set via:
1. PCS10, Product Configuration Software and the USB configuration adapter cable HA011066.
2. Modbus protocol in the register 60001 (0x00) and 60002 (0x01).
See Application Note Modbus AN0103 (available on
).
The measured parameters are saved as a 32 bit floating point value and as 16 bit signed integer value, see the Modbus register map below.
Modbus Register Map
FLOAT32
Parameter
Unit
Register number
1)
[DEC]
Protocol Address
2)
[HEX]
Read register: function code 0x03 / 0x04
Differential pressure
mm H
2
O
1211
0x4BA
Differential pressure
mbar
1213
0x4BC
Differential pressure
Pa
1215
0x4BE
Differential pressure
kPa
1217
0x4C0
Differential pressure inch WC
1219
0x4C2
Air velocity
m/s
1041
0x410
Air velocity
ft/min
1043
0x412
Volume flow
m
3
/h
1055
0x41E
Volume flow
l/s
1057
0x420
Volume flow
m
3
/s
1059
0x422
Volume flow
ft
3
/min
1181
0x49C
Filter monitoring
%
1075
0x432
Level indicator
cm
1077
0x434
Level indicator
inch
1079
0x436
Communication Settings
INT16
Parameter
Unit
Scale
3)
Register number
1)
[DEC]
Protocol Address
2)
[HEX]
Read register: function code 0x03 / 0x04
Differential pressure
mm H
2
O
10
4106
0x1009
Differential pressure
mbar
100
4107
0x100A
Differential pressure
Pa
1
4108
0x100B
Differential pressure
kPa
1000
4109
0x100C
Differential pressure inch WC
100
4110
0x100D
Air velocity
m/s
100
4021
0xFB4
Air velocity
ft/min
1
4022
0xFB5
Volume flow
m
3
/h
1
4028
0xFBB
Volume flow
l/s
1
4029
0xFBC
Volume flow
m
3
/s
1000
4030
0xFBD
Volume flow
ft
3
/min
1
4091
0xFFA
Filter monitoring
%
10
4038
0xFC5
Level indicator
cm
10
4039
0xFC6
Level indicator
inch
10
4040
0xFC7
Push buttons for
span and zero point adjustment
Address switch
Status LED
USB configuration adapter
Display
Termination resistor 120 Ω slide switch: 1=ON, 0=OFF
Supply and
RS485 terminals
Address Setting
0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0
1
0
1
0
Address setting via Software
All DIP switches at position 0 → address has to be set via Software (via PCS10 Product Configuration Software
or via protocol BACnet / Modbus). Default address 43.
Example: Address is set via configuration software.
Address setting via Dip-Switch
Setting the DIP switches to any other address than 0, overrules the default address (43) or the address set via
Software.
Example: Address set to 3 (0000 0011 binary).
0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0
1
0
1
0
Electronics Board Layout
