Endress+Hauser Proservo NMS5 Operating Instruction page 45

Proservo NMS5
L
Power supply
1
AC 85 to 264V 50/60Hz
L
ARS
or
DC 20 to 62V
N
2
AC 20 to 55V
G
ARS
G
3
N
ARS
+
4
Local HART to NRF
-
5
6
7
8
Alarm contact
9
A
Alarm Contact
B
Normally the combination of WM550 and analog 4 to 20mA is prohibited.
Contact Endress+Hauser representatives if needed.
NOTICE
・ Terminals 4 & 5 and 24 & 25 for HART devices are inter - connected on Explosion proof (Ex d) certified version.
・ Terminals 24 & 25 (and 24, 25 & 26 for spot temp.) will be intrinsically safe (i.s.) device connection
only when intrinsically safe certified version is selected.
Figure 40: Wiring sample 2
Endress+Hauser
6.2.2 Whessoe Matic 550
10
Alarm contact
11
12
Alarm contact
13
14
Alarm contact
15
COM
16
HOIST (CTR1)
17
HOIST (CTR2)
18
19
+
20
WM550
Channel 1
-
21
+
22
WM550
-
Channel 2
23
+
24
A
Ex d Local HART
-
(See NOTICE.)
25
B
26
b
Operation
contact
input
NOTICE
Power supply
A
Ex d local (slave) HART
B
terminals: 4 &5
C
Ex d local (slave) HART, or
Pt100 3 wire spot RTD (see NOTICE.)
C
terminals: 24 & 25
Whessoe Matic (WM)output:
terminals 20 & 21, 22 & 23
WM550 is the current loop redundant data
transmission protocol.
D
Since these 4 terminals are occupied
D
by WM550 terminal connection,
4 to 20mA output and status 1 input function are
no longer available.
A
B
b
Cable entry descriptions
6 Wiring
45