Endress+Hauser SpectraSensors SS500e - Figure 1-9 Electronics Control Board (DC) for Dual-Channel Systems (Ss3000 E) with RS-232 C to RS-485 Converter

Introduction
Hardware Installation and Maintenance Manual 1
–13
Figure 1–9 Electronics control board (DC) for dual-channel
systems (SS3000e) with RS-232C to RS-485 converter
RS-232C TO RS-485 CONVERTER
(OPTIONAL)
ASSIGNABLE
ALARM RELAY [CH. B]
GENERAL FAULT ALARM
RELAY [CH. A]
ASSIGNABLE ALARM RELAY
[CH. A]
NC
NO
COMMON
FUSE
[F2]
AC POWER
SUPPLY
4-20 mA CURRENT LOOP BOARD
[CH. B]
4-20 mA CURRENT LOOP BOARD
[CH. A]
LASER TEMP.
CONTROL
BOARD
[CH. A]
BACKPLANE
BOARD
LASER
DRIVER
BOARD
4-20 mA &
SERIAL
SIGNAL
CONNECTIONS
[CH. A & CH. B]
GENERAL FAULT
ALARM RELAY [CH. B]
LASER TEMP.
CONTROL
BOARD
[CH. B]
LASER
DRIVER
BOARD
[CH. B]
PROTECTIVE
GROUND
CHAN B
CHAN A