DSE Model 5320 Automatic Mains Failure & Instrumentation System Operators Manual
44 Part No. 057-014 5320 OPERATING MANUAL ISSUE 5.1 18/06/2007 ADM
8.2.3 PLUG “C” 3 WAY
PIN
No
DESCRIPTION
20
CAN port Common. Do not connect this terminal to earth. Use only screened 120Ω cable approved
specifically for use in CAN applications.
21
CAN port H. Use only screened 120Ω cable approved specifically for use in CAN applications.
22
CAN port L. Use only screened 120Ω cable approved specifically for use in CAN applications.
NOTE: - Screened 120Ω impedance cable specified for use with CAN must be used.
DSE stock and supply Belden cable 9841 which is a high quality 120Ω impedance cable suitable for CAN
use (DSE part number 016-030)
8.2.4 PLUG “D” 4 WAY
PIN
No
DESCRIPTION
23 RS485 port Common
24
RS485 port B. Use only screened 120Ω cable approved specifically for use in RS485 applications.
25
RS485 port A. Use only screened 120Ω cable approved specifically for use in RS485 applications.
26 Not used. Do not connect to this terminal.
NOTE: - Screened 120Ω impedance cable specified for use with RS485 must be used.
DSE stock and supply Belden cable 9841 which is a high quality 120Ω impedance cable suitable for
RS485 use (DSE part number 016-030)
8.2.5 PLUG “E” 8 WAY
PIN No DESCRIPTION
27 Mains loading relay, normally closed. Volts free contact to terminal 28.
28 Mains loading relay, normally closed. Volts free contact to terminal 27.
29 Generator loading relay, normally open. Volts free contact to terminal 30.
30 Generator loading relay, normally open. Volts free contact to terminal 29.
31 Mains L1 voltage monitoring input. Connect to mains L1 supply
32 Mains L2 voltage monitoring input. Connect to mains L2 supply. If using single phase AC system
do not connect to this terminal.
33 Mains L3 voltage monitoring input. Connect to mains L3 supply. If using single phase or two
phase AC system do not connect to this terminal.
34 Mains Neutral input. Connect to mains N supply. If using 3phase 3wire AC system, do not
connect to this terminal.
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