0NEPSI Zone 1, Zone 21 Proline Promag 53
14 Endress+Hauser
Terminal assignment and
connection data for signal
circuits (non-intrinsically
safe circuits)
!
Note!
The following tables contain values/specifications, which are dependent on the type code (type of measuring
device). Please compare the following type code to the one shown on the nameplate of your measuring device.
A graphic representation of the electrical connections can be found on Page 11.
Terminal assignment
Transmitter
Terminal no. (inputs/outputs)
20 (+) 21 (–) 22 (+) 23 (–) 24 (+) 25 (–) 26 (+) 27 (–)
Non-convertible communication boards (fixed assignment)
53***-*…*A – – Pulse/frequency output
Current output
HART
53***-*…*B Relay output 2 Relay output 1 Pulse/frequency output
Current output
HART
53***-*…*J – –
External termination PROFIBUS DP *
+5 V DGND B A
53***-*…*K – – –
FOUNDATION
Fieldbus
FF + FF –
53***-*…*Q – – Status input
Modbus RS485 *
BA
Convertible communication boards
53***-*…*C Relay output 2 Relay output 1 Pulse/frequency output
Current output
HART
53***-*…*D Status input Relay output Pulse/frequency output
Current output
HART
53***-*…*L Status input Relay output 2 Relay output 1
Current output
HART
53***-*…*M Status input Pulse/frequency output Pulse/frequency output
Current output
HART
53***-*…*N Current output Pulse/frequency output Status input
Modbus RS485 *
BA
53***-*…*P Current output Pulse/frequency output Status input
PROFIBUS DP *
BA
53***-*…*V Relay output 2 Relay output 1 Status input
PROFIBUS DP *
BA
53***-*…*2 Relay output Current output Pulse/frequency output
Current output
HART
53***- *…*4 Current input Relay output Pulse/frequency output
Current output
HART
53***-*…*5 Status input Current input Pulse/frequency output
Current output
HART
53***-*…*7 Relay output 2 Relay output 1 Status input
Modbus RS485 *
BA
Safety-related and functional values of signal circuits
Page 15
* PROFIBUS DP, Modbus RS485:
– terminal 26 (+) B (RxD/TxD-P)
– terminal 27 (–) A (RxD/TxD-N)
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