Endress+Hauser RMM621 Instrucciones De Operación página 26

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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!

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