
2.6
Technical data: Silometer FMC 671 Z/676 Z transmitter
Construction
•
Design:
19", 7 HP, plug-in card
•
Front panel:
black synthetic with blue field inlay, grip and markings,
Protection: IP 20 (DIN 40050)
•
Dimensions:
see diagram
•
Weight:
approx. 0.3 kg
•
Operating temperature:
–0°C...+70°C
•
Storage temperature:
–20°C...+85°C
Electrical connection
•
Multipoint plug:
conforming to DIN 41612, Part 3, Type F (28-pole)
- FMC 671 Z/676 Z with coding pins in positions 1 and 22
•
Power supply:
24 V DC (–4V
…
+6V); residual ripple <600 mA, 100 Hz
•
Supply current:
approx. 90 mA, max. 125 mA, integrated fine-wire fuse
•
Signal inputs:
Electrically isolated from the rest of the circuitry
Protection [EEx ia] IIC or IIB
•
Probes, Channel 1:
Capitance probes with EC 37 Z or EC 47 Z electronic insert
Deltapilot S DB
…
with FEB 17 (P) electronic insert
Channel 2:
Capacitance probes with EC 17 Z or EC 16 Z electronic insert
Liquiphant DL 17 Z or Soliphant DM 90
…
92 Z.
•
Electromagnetic
Interference Emission to EN 61326; Electrical Equipment Class A
compatibility:
Interference Immunity to EN 61326
Outputs
•
Analogue output:
0...20 mA/4...20 mA selectable, R
L
max. 500
Ω
0...10 V/2...10 V selectable, R
L
min. 10 k
Ω
•
Relays:
Two independent relays each with a potential-free
change-over contact; freely selectable switching range
and hysteresis
Third relay for fault indication
Max. switching capacity: 2.5 A, 250 V AC, 300 VA
at cos
ϕ
> 0.7
or 100 V DC, 90 W
•
Fail-safe circuit
Minimum or maximum, switchable
Indication and
configuration
•
FMC 671 Z/676 Z:
LCD and 6 buttons on front panel (FMC 671 Z only).
6 LEDs for function control, also configurable via
Commulog handheld terminal or ZA 672/ZA 67
…
•
FMC 676 Z:
6 LEDs for function control, also configurable via
Commulog handheld terminal or ZA 672/ZA 67
…
interface
Certificates
•
Silometer
TÜV 0 ATEX 1640
FMC 671 Z/676 Z:
PTB No. Ex-88.B.2048 X
BA063E22
Fig. 2.11
Silometer FMC 671 Z/676 Z
plug-in card
Silometer FMC 671 Z/676 Z
Chapter 2: Installation
18
Содержание silometer FMC 671 Z
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