LPGmass
Hauser
11
Safety Barrier Promass 100
Order code for "Output"
Maximum
Current consumption
Maximum
switch-on current
Option
M
: Modbus RS485, for use in intrinsically safe
areas
230 mA
10 A (< 0.8 ms)
Power supply failure
• Totalizers stop at the last value measured.
• Configuration is retained in the device memory.
• Error messages (incl. total operated hours) are stored.
Electrical connection
Connecting the transmitter
1
2
A
A0030221
A
Housing version: compact, aluminum coated
1
Cable entry for signal transmission
2
Cable entry for supply voltage
Terminal assignment→ 8
Connection examples
Modbus RS485
Modbus RS485 intrinsically safe
2
1
A
B
3
A
B
L+
L-
L- L+
A
B
5
6
7
4
8
A
B
L+
L-
A0028766
4
Connection example for Modbus RS485 intrinsically safe
1
Control system (e.g. PLC)
2
Cable shield, observe cable specifications
3
Safety Barrier Promass 100
4
Observe cable specifications
5
Non-hazardous area
6
Non-hazardous area and Zone 2/Div. 2
7
Intrinsically safe area
8
Transmitter
