S311D-4 - Frequency / Digital Input Indicator-Totalizer
S311D is an universal display with frequency input (reed, npn, pnp,
NAMUR, photoelectric, Hall, 24 V input, TTL, variable reluctance.) that
allows to view the istantaneous value (engineering units), retransmit
it through an isolated analog output and, by the optional board, have
N.2 relay alarms and Modbus interface. Furthermore the unit allows to
totalize it into the internal memory. It is available with 4,6 or 8 digits and
an 7+4 digits (double line).
General Data:
- Power supply: 80-265 Vac (H version), 10-40 Vdc / 19-28 Vac (L version)
- Power transducers: Max 18 V, 25 mA
- Power consumption: Max 3 W
- Isolation: 1.500 Vac
- Communication interface: ModBUS RTU slave (optional board)
- Memory: EEPROM 10 years storage memory
Visualization and Measure:
- Display: LED, 4 digit
- Status indicators: 2 alarm leds (enabled threshold trips)
- Front Buttons: 3 navigation keys
- Display errors: Over range, fault sensor
Output data:
- Nr: 1
- Type: 0-10 V (min 1K), 0-20 / 4-20 mA (max 500 ohm)
- Resolution: 10.000 points
-
Optional board: Nr 2 SPDT 220 Vac (5A resistive, 2 A inductive) relay alarms
Nr 1 RS485 ModBUS RTU slave port
Nr 1 reset digital input
Input:
- Contact, npn, pnp, namur, photoelectric, variable reluctance, 24 V pulses, TTL