Installation location
Control cabinet
indoor use
Amount of process data (INTERBUS input/output data max.)
Number of local bus devices that can be connected
max. 63 (observe current consumption)
Number of devices with parameter channel
Programming languages supported
Supply voltage range
19.2 V DC ... 30 V DC
19.2 V DC ... 30 V DC (including all tolerances, including ripple)
Typical current consumption
≤ 170 mA (at nominal voltage without local bus device)
Current carrying capacity
Supply voltage
24 V DC
24 V DC (via Inline connector)
7.5 V DC ±5 %
Current draw
max. 1.5 A
typ. 170 mA (without connected I/O terminal blocks)
Power supply
max. 0.5 A DC
max. 2 A DC
max. 8 A DC (sum of UM + US)
Connection method
microSD slot
RJ45 jack, shielded
Spring-cage connection
USB type A, socket
Conductor cross-section, rigid
Conductor cross-section, flexible
Conductor cross-section AWG
Supported protocols
BACnet MS/TP (only at COM1 and COM2)
BACnet/IP
CSV
DALI
DALI-2
EnOcean
KNX IP
LDAP
LON IP
M-Bus
Modbus/RTU
Modbus/TCP
MP-Bus
MQTT
oBIX
OPC UA
Simple OpenADR
SMI
SMS
SNMP
Bus system
microSD
Mini-USB
RJ45
RS-485
USB type A
Ambient temperature (operation)
-25 °C ... 55 °C (observe derating)
Ambient temperature (storage/transport)
Permissible humidity (operation)
0 % ... 75 % (according to DIN EN 61131-2)
Permissible humidity (storage/transport)
0 % ... 75 % (according to DIN EN 61131-2)
Air pressure (operation)
70 kPa ... 106 kPa (up to 3000 m above sea level)
Air pressure (storage/transport)
70 hPa ... 106 kPa (up to 3000 m above sea level)
Resistance to gases that may endanger the functions, in acc. with DIN 40046-36, DIN 40046-37
Sulfur dioxide (SO2) 10 ±0.3 ppm (test duration: 10 days), hydrogen sulfide (H2S) 1 ±0.3 ppm (test duration: 4 days), both at 25°C and with 75% humidity