Prothermo NMT532
Electrical connection
Hauser
33
6.1.2
NMS5 (Ex d [ia]) intrinsically safe connection
The intrinsically safe NMT532 must be connected to the intrinsically safe local HART
terminal on NMS5.
NRF
-
5
L
N
G
L
N
G
1
ARS
2
ARS
ARS
3
a
4
5
6
7
8
9
+
-
+
-
+
-
b
c
d
+
-
+
-
+
-
10
11
12
13
14
15
d
d
d
16
17
18
19
20
21
COM
HOIST
STOP
+
-
e
f
+
-
+
-
22
23
24
25
26
g
h
i
A0038529
25
NMS5 terminal
a
Power supply AC 85: 264 V50/60 Hz or DC20: 62 V AC20: 55 V
b
Non-intrinsically safe HART communication: NRF, etc.
c
Digital output Modbus, RS485 serial pulse or HART
d
Alarm contact point
e
Operation contact point input
f
4 to 20 mA channel 1
g
4 to 20 mA channel 2
h
Intrinsically safe HART
i
From NMT532 Ex ia
Do not connect NMT532 local HART communication cable to terminals 4 and 5 on
NMS5/NMS7. These terminals are designed to connect to Ex d local HART
communication.
6.1.3
NMS8x/NMR8x/NRF81 (Ex d [ia]) intrinsically safe
connection
To connect an intrinsically safe NMT532, E1 and E2 are used to connect with NMS8x,
NMR8x and NRF81.
Содержание Prothermo NMT532
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