Bullhorn SDT16 Family, Руководство по установке и настройке, Страница: 88 / 110

SDT16 Family Installation and Configuration Guide
78 Chapter 3. Configuration
6.
Select either
1
or
2
in the
Stop Bits
field.
N
OTE
:
Because Bullhorn units currently support only the RS232 data interface, the
Interface Type
list box only includes the option labeled
1:RS232
. Future product
enhancements will include support for additional data interfaces.
7.
If the input device requires a
handshake
signal from the Bullhorn unit, use the up and
down arrow buttons in the
Delay
field to choose a time option. Valid selections are in a
range of 0 to 10 seconds with 0 indicating an instant response.
8.
Complete one of the following steps if you are working with a Modbus ASCII or RTU,
Mercury, or Reynolds input device:
a. Modbus ASCII or RTU:
Type the unit address assigned to the input device in the
Unit
Address
field. Valid entries are any number from 1 to 255. Entering zero (0) disables
this feature.
b. Mercury:
In the
Instrument Type
field, select the type of Mercury device connected to
the input channels on the Bullhorn unit.
c. Reynolds:
Type the unit identification number assigned to the Reynolds input device in
the
Unit Id
field. Valid entries are any number from 1 to 255. Entering zero disables this
feature.
9.
Click
Save
and then continue with Configure Channels .
Configure Channels
The following sections explain how to map registers to the input channels of any unit type in the
SDT16 family. To unmap a register, see
Unmap a Register on page 87.
The Bullhorn unit supports up to sixteen 6-digit registers, eight 12-digit registers, or a combination
of both. Registers are mapped to the Bullhorn unit by clicking a particular channel number listed in
the
Channels
group box on the main configuration window. Channels are labeled
Channel 1
through
Channel 16
.
If you plan to map one or more 12-digit registers, use only the odd-numbered
Channel
configuration windows (channel 1, 3, 5, and so on). These windows include an option labeled
Double Register
that refers to a 12-digit register. The
Double Register
option is unavailable for
selection on even-numbered
Channel
configuration windows. When an odd-numbered
Channel
is
configured for a 12-digit register, the next even-numbered
Channel
on the main configuration
window is unavailable for selection.
When mapping a register for a Modbus RTU or ASCII input device, you’ll need to specify the
register
Data Type
and
Register Type
in order for the Bullhorn unit to correctly read the register. If
you are working with a Mercury, Reynolds 16-bit, or Reynolds 32-bit input device, you only need to
specify the register
Data Type
. The Bullhorn unit does not require either type of information when
working with a Dresser input device. If needed, refer to the technical specifications for the input
device or contact the manufacturer to help determine the correct
Data Type
and
Register Type
.