7.8. Communication
(1) (Modbus RTU)
Modbus (RTU) is optional feature our generator offers to our customer to monitor the unit
from BMS (Building Management System).
MODBUS communication can be set up to retrieve real time data. The nitrogen generator
MODBUS Communication settings are as follows:
- Protocol: RTU
- Slave ID: 1
- PLC Controller: Slave
- Bud rate: 119200
- Data Bits: 8
- Parity: none
- Stop Bits: 2
See MODBUS addressing table below:
(2) Analog output (4-20 OUT)
Another useful and optional feature of (FPS) Reliable System units an analog signal
output (4-20 mA) for current readings of different data points as follow:
(i) Ambient temperature “4-20 out dEGr.F”
(ii) Oxygen content (percent) “4-20 out p.CEnt”
(iii) Oxygen content (ppm) “4-20 out trACE”
(iv) Supply Pressure “4-20 out prEss”
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