Endress+Hauser nivotester FTL 370 Sicherheitshinweise Seite 8

en XA 049F-B
Monorack
Ta ≤ 60°C (Individual mounting)
Ta ≤ 50°C (Row mounting)
FTL37x
EX
U
O
Channel 1
Approved sensor
Zone 0
Zone 20
EX
Channel 1
Approved sensor 1
U
O
Channel 2
Approved sensor 2
Zone 0
Zone 20
2
FTL37x
EX Racksyst card
FTL 370
d2
d4
I
O
z18
d18
b20
z22
d22
b24
z26
d26
b28
d32
z32
EX
Racksyst card
FTL 372
d2
d4
z2
z4
I
O
z18
d18
b20
z22
d22
b24
z26
d26
b28
d32
z32
19" Racksyst
Installed in
Channel 1
+
–
External unit
shown as example
Relay 1
Relay 2
Alarm relay
DC power supply (external)
L+
20 V...30 V
L–
Installed in
Channel 1
+
–
Channel 2
+
–
External unit
shown as example
Relay 1
Relay 2
Alarm relay
DC power supply (external)
L+
20 V...30 V
L–
Nivotester
NT
Monorack II
d2
d4
z18
d18
b20
z22
d22
≤
Ta 70°C
b24
z26
d26
b28
AC DC
L1 L–
N L+
PE (PE)
Monorack II
d2
d4
z2
z4
z18
d18
b20
z22
d22
b24
≤
Ta 70°C
z26
d26
b28
AC DC
L1 L–
N L+
PE (PE)
Endress+Hauser