GE DigitalFlow GS868 Startup Manual page 55

4.2.5 Input/Output Specifications (cont.)
Analog Input Options (cont.):
a. Temp from –200° to +1,000°C
b. Pressure from 0–3000 psig
0 to 500 bar
c. Steam quality from 0.0 to 1.0
Analog Output Options:
All meters come with two isolated 0/4–20 mA current outputs (550  maximum load).
Optional selection of up to 3 additional output boards, each with four isolated 0/4–20 mA outputs (1000 
maximum load).
Totalizer/Frequency Output Options:
Select up to 3 Totalizer/Frequency Output Boards, each with four outputs per board, 10 kHz max.
All boards allow software-selectable functioning in two modes:
Totalizer Mode: one pulse per defined unit of parameter
(e.g., 1 pulse/SCF).
Frequency Mode: pulse frequency proportional to magnitude of parameter (e.g., 10 Hz = 1 gpm).
Alarm Options:
Select up to 2 boards of one of the following types:
Basic Relay Board with three general purpose Form-C relays.
Hermetic Relay Board with three hermetically sealed Form-C relays.
Maximum Relay Ratings:
120 VAC AC Voltage, 28 VDC DV Voltage, 5A AC/DC Current,
60 VA AC Power, 30 W DC Power (General Purpose) or
56 W DC Power (Hermetically Sealed)
DigitalFlow™ GS868 Startup Guide
Chapter 4. Specifications
45