Technical specifications
Table 24. Mechanics
|
Type |
Value |
|---|---|
|
Protection class |
IP20 |
|
Dimensions |
90 x 65 x 36 mm |
|
Weight |
85 g |
|
Connection M-Bus |
Spring terminal |
|
Cable M-Bus |
Solid wire 0.6-0.8 Ø mm, e.g. EKKX 2x2x0.5 |
|
Mounting |
DIN mounted |
|
Connection I/O |
Screw terminal. Use 0.5 Nm tightening torque |
|
Cable I/O |
Wire 0.75-2.5 mm2, e.g. MK450/750V 1 mm2 |
Table 25. Electrical characteristics
|
Type |
Value |
|---|---|
|
Power consumption |
1.5 mA M-Bus 1T |
|
Installation category (OVC) |
CAT II (extend protection with external transient protection if higher OVC) |
|
Output relay current (max) |
8 A |
|
Output relay voltage (max) |
240 VAC |
|
Input loop max resistance |
1 kΩ |
|
Input type |
Normally open |
|
Input minimum open/close time for pulse detection |
20 ms |
Table 26. Environmental specifications
|
Type |
Value |
|---|---|
|
Operating temperature range |
-30 to +55 °C |
|
Storage temperature range |
-40 °C to +85 °C |
|
Pollution |
Degree 2 |
|
Operating altitude |
0-2000 m |
Table 27. M-Bus
|
Type |
Value |
|---|---|
|
M-Bus standard |
EN 13757 |
|
M-Bus baud rate |
300, 2400 Bit/s |
|
M-Bus commands |
SND_UD, SND_NKE, REQ_UD2 |
|
Addressing modes |
Secondary, primary |
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