Endress+Hauser SpectraSensors SS500e - Figure 1-7 Electronics Control Board (DC) for Single-Channel Systems (Ss500 E;Ss2000 E) with RS-232 C to RS-485 Converter

Introduction
Hardware Installation and Maintenance Manual 1
–11
Figure 1–7 Electronics control board (DC) for single-channel
systems (SS500e/SS2000e) with RS-232C to RS-485 converter
RS-232C TO RS-485
CONVERTER (OPTIONAL)
RELAY (NOT USED)
RELAY (NOT USED)
GENERAL FAULT
ALARM RELAY
ASSIGNABLE ALARM
RELAY
NC
NO
COMMON
FUSE
[F2]
DC POWER
SUPPLY
ASSEMBLY
REDUNDANT 4-20 mA CURRENT LOOP BOARD
4-20 mA CURRENT LOOP BOARD
LASER
TEMPERATURE
CONTROL
LASER
DRIVER
4-20 mA &
SERIAL SIGNAL
CONNECTIONS
BACKPLANE
BOARD
PROTECTIVE
GROUND