Emerson 3414 用户手册
Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual
Section 3: Electrical installation
3-9000-759 Rev D
June 2014
Analog output settings
63
3.6.3
Analog output settings
The Daniel 3410 Series Ultrasonic Gas Flow Meter provides two 4-20 mA analog output signals
that are software configurable for either sink or source current (
that are software configurable for either sink or source current (
DMC - 005324).
Full HART® functionality is provided so that any commercially available HART® transmitter
which meets the specifications of the HART® Communications Foundation can be connected to
the Daniel® Liquid Ultrasonic Flow Meter.
which meets the specifications of the HART® Communications Foundation can be connected to
the Daniel® Liquid Ultrasonic Flow Meter.
•
Analog Output1 (AO1) is user-configurable as a 4-20mA output and has HART
capabilities.
capabilities.
•
Analog Output 2 (AO2) is user-configurable as a conventional 4-20 mA output.
3.6.4
Digital Input
The Daniel 3410 Series Gas Ultrasonic Flow Meter provides one digital input that can be used as
a general purpose input. The digital input must be configured via the Daniel MeterLink
a general purpose input. The digital input must be configured via the Daniel MeterLink
Tools|Edit/Compare Configuration
screen.
3.6.5
DHCP server switch settings
The meter can be configured to act as a DHCP server. The DHCP server is enabled/disabled via
CPU Module DHCP switch as follows:
CPU Module DHCP switch as follows:
Table 3-6 DHCP server switch settings
CPU Module switch
DHCP server
disabled
disabled
DHCP server
enabled
enabled
OFF
ON
DHCP
Switch 2