RMS 621 4 Electrical installation
Endress+Hauser 13
4 Electrical installation
4.1 Electrical connection overview
Fig. 6: Energy manager slot connections (base unit)
Terminal layout
Terminal (Pos.no.) Terminal layout Slot In- and output
82 24 V sensor supply 1 A top front (A I) Current/PFM/pulse input 1
81 Sensor supply ground 1
10 + 0/4 to 20 mA/PFM/pulse input 1
11 Signal ground for 0/4 to 20 mA/PFM/pulse input
83 24 V sensor supply 2 A top back (A II) Current/PFM/pulse input 2
81 Sensor supply ground 2
110 + 0/4 to 20 mA/PFM/pulse input 2
11 Signal ground for 0/4 to 20 mA/PFM/pulse input
1 + RTD supply 1 E top front (E I) RTD input 1
5+ RTD sensor 1
6 - RTD sensor 1
2 - RTD supply1
3 + RTD supply 2 E top back (E II) RTD input 2
7+ RTD sensor 2
8 - RTD sensor 2
4 - RTD supply 2
101 - RxTx 1 E bottom front (E III) RS485
102 + RxTx 1
103 - RxTx 2 RS485 (as option)
104 + RxTx 2
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