Fresenius Medical Care 4008 E Technical Manual page 384

Fig.: Block diagram P.C.B. LP 633
analog
ADC's
HDF_ON
PWR_WD V102
V104
P_V102 CSS_REED
SPARE
P_VEN SPARE
SPARE
BPR_VEN SPARE
BPR_ART
VEN_BPR_SET
ART_BPR_SET
LD_SERIAL
Uref
U_ACCU
P_V104
24V_EM
P_ART
BLL_DIM
BLL/BLL_OLD
COND_SIGNAL
Uref
SPARE
TEMP_DIAL2
COND_SIGNAL2
BIBAG_TEMP
BIBAG_COND
SPARE
U_BATT_SW
Uref
Microprocessor Interface
Fresenius Medical Care 4008 4/09.03 (TM)
digital
BUFFER's
COND_V84
MF
FL_SWITCH_+5V
5V/12V
MF ABG_ALARM
REED_RINSE
PSW_V102
PSW_V104
SW_ON_OFF
SHUNT_OUTP
SHUNT_INP
LEV_SIGNAL
BPSB_ART
BPUS_ART
BPSB_VEN
BPUS_VEN
HEP_ALARM
BIB_LEVEL
EXT_ALARM
SERVICE_MODE
LEVEL DOWN
ACKN_CONC
BIBAG_PSW
CPU 1
8.13.2 Circuit diagram and component layout diagram
P.C.B. LP 633 Input board
LDA1
OD_OUT
CI
ABG_BYP
ABG_ON
V43
V26
V24B
V24
UF_P1
LDA2
SUB_W_P
SPARE
REED_BIC
BIBAG
BIBAG_C
PWR_OFF
HEP_ON
SPARE
PWR_FAIL
SHUNT
SERV_EN
SN
ADKS
LEVEL UP
ADS_SN
ACKN_BIC
8-87 8-88
Fresenius Medical Care 4008 4/09.03 (TM)
P.C.B. LP 633
Component layout diagram