DSE Model 5220 Automatic Mains Failure & Instrumentation System Operators Manual
30 057-012 5220 OPERATING MANUAL ISSUE 5.1 18/06/2007 AM
9.1.4 PLUG “D” 4 WAY (OPTIONAL)
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
23 RS485 port Common 0.5mm
Use only 120Ω RS485 approved cable
24 RS485 port B 0.5mm
Use only 120Ω RS485 approved cable
25 RS485 port A 0.5mm
Use only 120Ω RS485 approved cable
26 Not connected -
9.1.5 PLUG “E” 8 WAY
PIN
No
DESCRIPTION CABLE SIZE NOTES
27 Mains loading relay 1.0mm Connect to mains contactor coil
28 Mains loading relay 1.0mm Connect to mains contactor feed supply
29 Generator loading relay 1.0mm Connect to generator contactor coil
30 Generator loading relay 1.0mm Connect to generator contactor feed supply
31 Mains (utility) L1 voltage
monitoring input
1.0mm Connect to mains L1 (AC)
(Recommend 2A fuse)
32 Mains (utility) L2 voltage
monitoring input
1.0mm Connect to mains L2 (AC)
(Recommend 2A fuse)
33 Mains (utility) L3 voltage
monitoring input
1.0mm Connect to mains L3 (AC)
(Recommend 2A fuse)
34 Mains (utility)Neutral input 1.0mm Connect to mains Neutral (AC)
9.1.6 PLUG “F” 4 WAY
PIN
No
DESCRIPTION CABLE SIZE NOTES
35 Generator L1 voltage
monitoring input
1.0mm Connect to generator L1 output (AC)
(Recommend 2A fuse)
36 Generator L2 voltage
monitoring input
1.0mm Connect to generator L2 output (AC)
(Recommend 2A fuse)
37 Generator L3 voltage
monitoring input
1.0mm Connect to generator L3 output (AC)
(Recommend 2A fuse)
38 Generator Neutral input 1.0mm Connect to generator Neutral terminal (AC)
9.1.7 PLUG “G” 5 WAY
PIN No DESCRIPTION CABLE SIZE NOTES
39 CT Secondary for L1 2.5mm Connect to secondary of L1 monitoring CT
40 CT Secondary for L2 2.5mm Connect to secondary of L2 monitoring CT
41 CT Secondary for L3 2.5mm Connect to secondary of L3 monitoring CT
42 CT secondary common 2.5mm Connect to secondary of all monitoring CT’s
43 Not connected -
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