Test Output - meibes Rossweiner heatsonic Manual Del Usuario

7. Expansion modules
• Passive, external power supply: 10...30 VDC
• Current loop 4 ... 20 mA whereby 4 mA = 0 value;
20 mA = programmed max. value
• Overload up to 20.5 mA, then fault current
• Errors are output with 3.5 mA or 22.6 mA (programmable)
• Output values: power, flow, temperatures
The module is connected to the meter electronics by a pre-fabricated ribbon cable. The separate plug on
the module slot 2 is necessary for the proper function of the analogue outputs.

7.7 Test output

The internally located test output is intended for testing laboratories. The manufacturer supplies two special cables::
1. Volume testing pulses
2. Energy testing pulses
Please refer to the inspection and testing manual for further specifications (pulse weighting, pulse duration/pause,
pulse frequency).
Ensure that the temperature sensors (measurement resistances) remain in contact without interruption
during energy verification.
43