Fluidwell F Series Operation Manual page 34

Page 34
TERMINAL CONNECTORS
F100-series
TXD
RXD
DTR
+12V
Common ground
+ 3.2V 1M
low-pass
filter
Common ground
Supply *
Signal
Common ground
Common ground
Common ground
Common ground
Common ground
Main supply
Common ground
* Note power supply type PD: the supply voltage to the sensor is as connected to terminal 1 (internally linked).
Configuration example IIB/IIIC and IIC - F113-P-AP-IB-(CT)-OT-PD-XI
Modbus communication type CT: TTL
Please note: communciation type CT is
Status input type IB:
reset total
(17nF IS USED BY THE ANALOG
Ci is negligibly
OUTPUT SIGNAL TERMINAL 7+ 8)
small
Ci is negligibly
small
Ci = 17nF
Switch output type OT:
Ci is negligibly
passive transistor
small
Switch output type OT:
Ci is negligibly
passive transistor
small
Power supply type PD: 16-30V DC
(please note: PD and battery supply (type PB) is NOT allowed in IIC applications).
Fig. 15: Configuration example 2 Intrinsically Safe.
FW_F113-A_v0601_01_EN
HAZARDOUS AREA
not allowed in IIC applications.
TOTAL Co OF ALL CONNECTED
APPARATUS MAY NOT EXCEED
66nF MINUS 17nF
Flowmeter input type: A
(0)4-20mA
e.g. indicator
Analog output type AP:
passive 4-20mA
e.g. counter or alarm
123456
e.g. alarm or counter
SAFE AREA
I.S. Certified

Isolator
TTL to:
Uo = max. 30 V
e.g. PC
RS232
Io = max. 250 mA
RS422
TTL
Po = max. 0.85 W
For example:
MTL5051
* Note: Communication only allowed when configured as IIB/IIIC.
Power supply or
= max. 30 V
Uo
switch interface
= max. 100 mA
Io For example
123456
MTL5525
Po = max. 0.75 W
MTL5511
e.g. counter
Power supply or
= max. 30 V
Uo
switch interface
= max. 100 mA
Io For example
MTL5525
= max. 0.75 W
Po
MTL5511
e.g. alarm
= max. 30 V
Uo Power supply
= max. 100 mA
Io
For example
= max. 0.75 W
Po MTL5525
Note: above values are safety values.
Consult the technical specification for operational values.