Endress+Hauser SS2100i-2 - Page 15

BA02191C SS2100 TDLAS H
2
S Gas Analyzer
Endress+Hauser 1-11
RELAY DRIVER AND
4-20 mA CONTROL
BOARD STACK
FUSES
(F2. F1)
TERMINAL BLOCK TB2,
OUTPUT SIGNALS
COMMON
NO
NC
ASSIGNABLE ALARM
GENERAL FAULT
ALARM
CUSTOMER
GROUND
POWER
SUPPLY
BACKPLANE
ARM9
CONTROL
BOARD
STACK
COMPONENT
GROUND
HYTEK
TEMPERATURE
CONTROLLER
TERMINAL
BLOCK (TB3),
INTERNAL
PRESSURE/
TEMPERATURE
ALARM/
SIGNAL
RELAYS
PROTECTIVE
GROUND
Figure 1–6 H
2
S analyzer electronics control board (AC)
showing signal terminal block and alarm relays
NOTE: Refer to “Spare Parts” on page A-12 for part numbers.