Table 7.-2
Application areas
NUMBER
CODE
NAME
DESCRIPTION
6
REF 542plus
Normal operation
A
REF 542plus DNV
Marine and offshore application
B
REF 542plus ATEX-1
Protection of motor in an explosive
area (Release 1.1)
D
REF 542plus ATEX-2
Protection of motor in an explosive
area (Release 2.0)
F
REF542plus ATEX-2.5
Protection of motor in an explosive
area (Release 2.5)
7 6
B
6 A 3 3 3 03 6 S Z 4 1
Table 7.-3
Mainboard versions
NUMBER
CODE
NAME
DESCRIPTION
B
751021/
802
Basic
Version with RJ 45 Ethernet port
S
751021/
803
Standard
Version basic with additional IRIG B
and CAN interface
F
751021/
801
Full
Version standard with additional
optical links
A
014629/
802
Basic
Version with RJ 45 Ethernet port
E
014629/
803
Standard
Version basic with additional IRIG B
and CAN interface
C
014629/
801
Full
Version standard with additional
optical links
7 6 B
6
A 3 3 3 03 6 S Z 4 1
Table 7.-4
Power supply versions
NUMBER
CODE
NAME
DESCRIPTION
1
750126/801 U
n
= 110 V DC
Operative range 70% to 120% of 110
V DC
2
750126/802 U
n
= 220 V DC
Operative range 70% to 120% of 220
V DC
3
750168/801 U
n
= 48 - 220 V DC
Operative range 80% of 48 V DC to
120% of 220 V DC
6
750168/802 U
n
= 48 - 220 V DC
Marine application with operative
range 80% of 48 V DC to 120% of 220
V DC
7 6 B 6
A
3 3 3 03 6 S Z 4 1
52
REF 542plus
REF 542plus
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
1MRS755859