Ewimar CONV1-G 2 User manual

CONV1-G rev 2.0
Ewimar Sp. z o.o.
www.ewimar.pl
The converter is a microprocessor device which converts Pelco-D protocol to Pelco-P or Pelco-P
protocol to Pelco-D. This enables integration of one manufacturer PTZ cameras with DVRs or IP servers
from other manufacturers. It can be used in situations when needs to connect the camera with Pelco-D to
device that supports only Pelco-P - or vice versa.
The CONV-1G does detect protocol type and make conversion automatically. If coming Pelco-D
commands on input, on the output will be send Pelco-P commands and vice versa.
Version no.2 has a separately adjustable transmission rate for the RS-485 input/output, which
further expands its capabilities.
1. Connecting structure
The protocol converter is connected between keyboard and PTZ cameras and need 9~24V DC or AC
power supply
Pelco-D or Pelco-P
control device
RS485 RS485
Pelco-P lub Pelco-D
PTZ camera
CONV1-G
9~24V AC/DC
Block diagram of CONV1-G
2. Terminal block
110
LED1 – receive data
LED2 – conversion and transmission data
3. Podłączenie i uruchomienie
Please pay attention to correct polarity of RS-485 interface.
Correct working of converter can be determined by LED observing. If device is correct configured and connected,
at the time of trying to control from desktop, both LEDs should blink.
CONV1-G ver 2
Code converter Pelco-D to Pelco-P and Pelco-P to Pelco-D
USER GUIDE

CONV1-G rev 2.0
Ewimar Sp. z o.o.
www.ewimar.pl
Power sup. Power sup. RS485 - A+ RS485 - B- RS485 - A + RS485 - B -
GND GND
Input
110
Term1 Term2
9~24V
RR
A
B
A
B
Inside
connection
Link
4. Dip-switch
Dip-switch description:
Baud rate
for RS-485 output
2400baud 4800baud 9600baud 19200baud
DIP 1 OFF ON OFF ON
DIP 2 OFF OFF ON ON
Baud rate
for RS-485 input
2400baud 4800baud 9600baud 19200baud
DIP 3 OFF ON OFF ON
DIP 4 OFF OFF ON ZAŁ
Address change Not active Active
DIP 4 OFF ON
The change of address (increment/decrement) function allows us to keep better compatibility because Pelco-D protocol start
addressing cameras from number 1, but the Pelco-P protocol starts from 0. When converting from Pelco-D to Pelco-P,
address is decreased by 1 and from Pelco-P to Pelco-D address is increased by 1.
Producer: Ewimar Sp. z o.o., ul. Konarskiego 84, 01-355 Warsaw, Poland,
Phone: [phone], email: [email protected], www.ewimar.pl
Power: Connect power supply 9~24V DC / AC
Input A, B: Connect PTZ control device
Term1: Termination resistor 120Ωfor RS485 input
Wyjście A, B: Connect to PTZ camera
Term2: Termination resistor 120Ωfor RS485 output
GND: Cable shield
The RS-485 terminals, must be correctly connected to other devices
Ato A and Bto B.
For longer cables of bus, both RS-485 interfaces, should be
included to terminating resistors. This will prevent wave
reflections in cables, which are cause of transmission errors.
Terminating resistors should be connected only in devices, which
are of ends of the bus. Larger number of resistors will cause an
excessive burden of transmission.
Termination resistors are placed in converter. To active it please
make wire connections TERM terminal to A+ terminal – details
on drawing
OFF (up)
ON (down)