Connection
6.5 Connecting to the RS 485 bus
SENTRON PAC3100
48
Manual, 07/2009, A5E02385159B-01
(5) Three-phase measuring, four conductors, unbalanced load, with voltage transformers,
with three current transformers
Connection type 3P3W
/D
/E
/F
1Q
)
)
)
)
)
)
)
;
;
,/ ,/ ,/ ,/ ,/ ,/
/ 1
9
9
9
9
1
N
O
N
O
N
O
*
Fuses must be provided by the customer.
**
Connection of supply voltage
Figure 6-10 Connection type 3P3W, with voltage transformer, with three current transformers
See also
6.5
Connecting to the RS 485 bus
Procedure
Connect the SENTRON PAC3100 to the RS 485 bus via the integral interface. Please pay
attention here to the general topology of the two-wire line.
1.
Connect the RS 485 cables to the screw terminals of the terminal block.
2.
Connect the cable shield at one end with protective ground PE.
3.
Connect the signal Common with protective ground.
4.
Ensure a bus terminating resistance is set at the first and last communication node.
Summary of Contents for SENTRON PAC3100
Page 10: ...Table of contents SENTRON PAC3100 10 Manual 07 2009 A5E02385159B 01 ...
Page 38: ...Mounting 5 3 Deinstallation SENTRON PAC3100 38 Manual 07 2009 A5E02385159B 01 ...
Page 104: ...Service and maintenance 10 5 Disposal SENTRON PAC3100 104 Manual 07 2009 A5E02385159B 01 ...
Page 118: ...Dimensional drawings SENTRON PAC3100 118 Manual 07 2009 A5E02385159B 01 ...
Page 142: ...Appendix A 3 Correction sheet SENTRON PAC3100 142 Manual 07 2009 A5E02385159B 01 ...
Page 146: ...List of abbreviations C 1 Abbreviations SENTRON PAC3100 146 Manual 07 2009 A5E02385159B 01 ...
Page 148: ...Glossary SENTRON PAC3100 148 Manual 07 2009 A5E02385159B 01 ...
Page 152: ...Index SENTRON PAC3100 Manual 07 2009 A5E02385159B 01 152 ...