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Communication via radio
The integrated radio function is an interface for communication of predefined protocols with
Hydrometer radio receivers. The communication protocol is preset, but can be defined to a customer-
specific protocol using the IZAR@Mobile2 software. By default, the internal radio is disabled. When
the calculator receives in total 10 pulses for the first time on the volume pulse input, the integrated
radio is enabled.
RS-232 module
The RS-232 communication module is a serial interface for communication with external devices, e.g.
a PC. The transmission speed is 300 or 2400 bauds. A special data cable is required for connecting
this module to the PC. (Order no.: 087H0121).
The RS-232 module isn’t electrically isolated.
RS-485 module
The RS-485 communication module is a serial interface for communication with external devices, e.g.
a PC. It can only communicate at a transmission speed of 2400 bauds. The RS-485 module is
electrically isolated.
L-Bus module
The L-Bus communication module is a serial interface for communication with an external radio
module, in which the M-Bus protocol is transmitted. It can be used for example if the radio range of the
internal radio is not enough. The L-Bus module isn’t electrically isolated.
Modbus RTU
The Modbus RTU module ensures a simple integration from SCYLAR INT 8 calculators in to the
Modbus network systems using EIA-485 channel.
LON Works
The LonWorks module is designed for SCYLAR INT 8 calculators for data transmission in the
LonWorks network using the TP / FT-10 physical channel.
3.6.2 Function modules
Pulse output module
This module contains connections for two pulse outputs, which can be programmed as desired using
the IZAR@Mobile2 software. The energy pulse output is marked as standard as “01 -
┴
” on the
module and “Out1” in the display. The volume pulse output is marked as “02 -
┴
” on the module and
“Out2” in the display. The both pulse outputs are electrically isolated.
Pulse input module
This module has 2 pulse inputs for connecting 2 additional pulse meters, such as water meters, gas
meters or electricity meters. The possibility of programming the pulse value using the IZAR@Mobile2
software enables volume or energy values to be displayed and transmitted remotely over a suitable
communication module. Initial meter counts can also be parametrized for these two pulse inputs. The
pulse input module isn’t electrically isolated.
Module IN-OUT
The Module IN-OUT is equipped with two pulse inputs and a pulse output, which can be programmed
as desired using the IZAR@Mobile2 software. Pulse input 1 is marked “I1 -
┴
” on the module and
“IN1” in the display, pulse input 2 “I2 -
┴
” on the module and “IN2” in the display. The pulse output is
marked “01 -
┴
” on the module and “Out1” in the display. The pulse output on this module isn’t
electrically isolated.
Summary of Contents for SCYLAR INT 8
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Page 67: ...Seite 67 von 71 13 Declaration of conformity ...
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