Endress+Hauser RMM621 Bedienungsanleitung Seite 26

Wiring
Terminal Terminal assignment
(item no.)
10 + 0/4 to 20 mA/PFM/pulse input 1
11 Ground for 0/4 to 20 mA/PFM/pulse input
81 Sensor power supply ground 1
82 24 V sensor power supply 1
110 + 0/4 to 20 mA/PFM/pulse input 2
11 Ground for 0/4 to 20 mA/PFM/pulse input
81 Sensor power supply ground 2
83 24 V sensor power supply 2
Terminal Terminal assignment
(item no.)
101 - RxTx 1
102 + RxTx 1
103 - RxTx 2
104 + RxTx 2
131 + 0/4 to 20 mA/pulse output 1
132 - 0/4 to 20 mA/pulse output 1
133 + 0/4 to 20 mA/pulse output 2
134 - 0/4 to 20 mA/pulse output 2
52 Relay Common (COM)
53 Relay Normally Open (NO)
91 Sensor power supply ground
92 + 24 V sensor power supply
L/L+ L for AC
L+ for DC
N/L- N for AC
L- for DC
!
Note!
The inputs in the same slot are not galvanically isolated. There is a separation voltage of 500 V
between the aforementioned inputs and outputs in various slots. Terminals with the same sec-
ond digit are jumpered internally (Terminals 11 and 81).
26
Slot Input
E top, front (E Current/PFM/pulse input 1
I)
E top, rear (E Current/PFM/pulse input 2
II)
Slot Output - interface
E bottom, RS485
front (E III)
RS485 (optional)
E bottom, rear Current/pulse output 1
(E IV)
Current/pulse output 2
!
Ethernet, if the Ethernet option has
been ordered.
A bottom, Relay 1
front (A III)
Additional sensor power supply
A bottom, rear (A IV)
Power supply
Note!