Electrical; Power Supply; Power Usage; Operating Mode - GE DigitalFlow GS868 Startup Manual

Chapter 4. Specifications

4.2 Electrical

The electrical specifications for the Model GS868 flowmeter are divided into the following categories:

4.2.1 Power Supply

Input Options: 110 to 120 VAC, 50/60 Hz with 1.0 A Slo-Blo Fuse
220 to 240 VAC, 50/60 Hz with 0.5 A Slo-Blo Fuse
12 to 28 VDC with 3.0 A Slo-Blo Fuse

4.2.2 Power Usage

20 W maximum

4.2.3 Operating Mode

Transit-time flow measurement for gas transducers.

4.2.4 European Compliance

This unit complies with EMC Directive 2004/108/EC and 2006/95/EC Low Voltage Directive (Installation Category II,
Pollution Degree 2), and PED 97/23/EC for DN<25.

4.2.5 Input/Output Specifications

Keypad: 39-key membrane keypad with tactile feedback
Display: Both single- and dual-channel models have a software-configurable 64 x 128-pixel LCD graphic
display, divided into two display areas (panes)
Digital Interfaces:
•
Standard: RS232
•
Optional: RS485 (multiuser)
•
Optional: MODBUS protocol
•
Optional: Ethernet TCP/IP
•
Optional MODBUS TCP/IP (Ethernet)
Analog Input Options:
Select up to 2 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). Inputs of the following types may be used:
44 DigitalFlow™ GS868 Startup Guide