DigitalFlow™ GC868 Startup Guide (1 and 2-Channel)
4-2
Chapter 4. Specifications
4.2.5 Hazardous
(Classified)
Location
Compliance
CENELEC:
II 2 G EEx d IIC T6
ISSeP03ATEX 113
North America:
Class I, Div 2, Group ABCD
Type 4X
CSA: LR44204
FM: 3013516
4.2.6 Input/Output
Specifications
Keypad:
39-key membrane keypad with tactile feedback
Display:
Two independent software-configurable 64 x 128-pixel LCD
graphic displays, with backlights.
Printer/Terminal Communications:
One RS232 port for printer, terminal, PC, SCADA, etc.
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 (1,000
maximum load).
Analog Input Options:
Select up to 3 boards of one of the following types:
1.
Transmitter Input Board
with two isolated 0/4-20 mA inputs and 24-V loop
power.
2.
RTD Input Board
with two isolated 3-wire RTD inputs;
Span –148° to 662°F (–100° to 350°C).
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 SCF).
Alarm Options:
Select up to 2 boards 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)
