5
2.5 Specifications
General data
Description
Comments
GENIbus visual diagnostics
LED2
Red/green status LED.
See section
4.2 LED2, internal communication
.
Communication Interface Unit (CIU 300)
Power supply
24-240 V AC/DC
Located in the CIU 300.
GENIbus connection type
RS-485
GENIbus wire configuration
Three-wire + screen
Conductors: A, B and Y.
BACnet
Data protocol
BACnet MS/TP
BACnet connector
Screw-type terminal
3 pins.
See section
3.2 CIM 300 BACnet module
.
BACnet connection type
RS-485
BACnet wire configuration
Two-wire + ground
Conductors: Plus, Minus and Ground.
See section
3.3 Connecting to the BACnet network
.
Maximum cable length [m]
1200
Equals 4000 ft
MAC address
0-127
Set via rotary switches SW6 and SW7.
See section
3.7 Selecting the BACnet MAC address
.
Line termination
On or Off
Set via DIP switches SW1 and SW2.
See section
3.8 Termination resistor
.
Supported transmission speeds [bits/s]
9600, 19200, 38400, 76800
Set via DIP switches SW4 and SW5.
See section
3.4 Setting the BACnet transmission
speed
.
Data bits
8
Fixed value.
Stop bits
1
Fixed value.
Parity
None
Fixed value.
BACnet visual diagnostics
LED1
Red/green status LED.
See section
4.1 LED1, BACnet MS/TP communication
.
Maximum number of BACnet devices
32
Using repeaters, this number can be increased.
Grundfos BACnet vendor ID
227
BACnet segmentation support
No
Character set support
ANSI X3.4
Base definition for the widely used character code
known as ASCII.
BACnet device profile
B-ASC
BACnet Application-Specific Controller.
BACnet MS/TP master
Yes
The CIM/CIU 300 is a BACnet MS/TP master device.
Manual slave address binding
No
