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
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