Appendix A: Technical Data
31 (32)
A
Technical Data
General
Model name
Anybus Modbus to KNX Gateway
Order code
AB9901-nnnn (nnnn = number of datapoints)
Dimensions (L x W x H)
90 x 88 x 56 mm
Operating temperature
0 to +60 °C
Storage temperature
-40 to +85 °C
Humidity range
5 to 95 % non-condensing
Mechanical rating
IP20
Mounting
DIN rail or screw mount
Power supply
Must be NEC Class 2 or LPS and SELV rated
AC: 24 VAC ±10 %, max. 127 mA
DC: 9 to 36 VDC ±10 %, max. 140 mA
(Recommended: 24 VDC)
Terminal wiring
Use solid or stranded wires (twisted or with ferrule)
1 core: 0.5 to 2.5 mm
2
2 cores: 0.5 to 1.5 mm
2
3 cores: not permitted
Certifications
CE and RoHS compliant
See
for more information.
Communication
Interface
Ethernet
KNX TP1 (Port A)
EIA-485 (Port B)
Compliance
IEEE 802.3
-
Modbus V1.02
Protocols
Modbus TCP
(client)
KNX
Modbus RTU (master)
Data rate
10/100 Mbit/s
9.6 kbps
2.4, 4.8, 9.6, 19.2, 38.4, 57.6, 115.2 kbps
Physical layer
10BASE-T,
100BASE-TX
KNX TP1, two twisted pairs, overall shield and
sheath
29 VDC / 5 mA
EIA-485, 3-wire isolated
Maximum
cable length
100 m
-
2.4 to 57.6 kbps: 1200 m
115.2 kbps: 1000 m
Port connector
Shielded RJ-45
2-pin pluggable terminal block
3-pin pluggable terminal block
Isolation
1500 VDC
2500 VDC
1500 VDC (except from D-sub connector)
KNX
Order Code
AB9901 – 100
250
600
1200
3000
Maximum number of KNX Communication Objects
100
250
600
1200
3000
Maximum number of KNX Main Group Addresses
100
250
600
1200
3000
Maximum number of KNX Associations
200
500
1200
2400
6000
Supported Modbus slave device types
Modbus RTU (EIA485), Modbus TCP
Maximum number of Modbus Slave devices
Up to 255 devices per node (RTU and
TCP)
Up to 5 TCP connections
Modbus to KNX Gateway User Manual
SCM-1202-050 1.2 en-US
