2 configuration, 1 receiver identification number setting, 2 receiving mode – Videotec EXDTRX User Manual
Page 13: 3 setting of rs485 line load, 4 type of lenses used, 5 auxiliary contacts
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6.2.2 Receiving mode
According to the communication type to set follow
the following settings:
• Current Loop: JP2 and JP3 to CL position
• RS485: See below "6.2.3 Setting of RS485 line load",
• RS232: No setting needed
6.2.3 Setting of RS485 line load
• Jumpers: JP5 and JP6
• JP5 in A position: Load connected in RS485 mode
• JP5 in B position: Load disconnected in RS485
mode
• JP6 in A position: Load connected in RS485 mode
• JP6 in B position: Load disconnected in RS485
mode
6.2.4 Type of lenses used
g
An inaccurate setup of this parameters can
cause damages to the lenses!
The EXDTRX3 / EXDTRX324receiver can control both
polarity inversion lenses and common wire lenses. In
case of common wire lenses connect the common
wire to FOCUS-.
6.2.5 Auxiliary contacts
The receiver has 4 auxiliary contacts:
• AUX1: 12Vdc, 350mA
• AUX2: 24Vac, 180mA
The following are clean contacts:
• AUX3: 24Vac, 1A
• AUX4: 24Vac, 1A
6.2 Configuration
j
The receiver configuration phase allows
to optimize its functioning according to
the particular requirements of the plant.
The unit must be configured exclusively
during the installation phase and by an
installer. We recommend proceeding
with the configuration of the parameters
in a systematic way in order to avoid
installation troubles.
The settings that must be configured the setup phase
are the following:
• Identification number of the receiver;
• Receiving mode setup;
• Type of lenses used;
• Communication speed and protocol;
• AUX3 / AUX4 auxiliary devices;
• Connection with the control unit;
• Control voltage of lenses;
• Connection of the positioning device and the
lenses cables;
• Alarms setting;
• Test of the receiver active functions (for PRESET
operations).
6.2.1 Receiver identification number
setting
Configure the SW1, SW2 and SW3 rotative switches
according to the address to assign to the receiver as
follows:
• SW1: Hundred
• SW2: Ten
• SW3: Unit
Examples:
• Receiver address n. 359:
Set SW1 to 3, SW2 to 5 and SW3 to 9
• Receiver address n. 27:
Set SW1 to 0, SW2 to 2 and SW3 to 7
• Receiver address n. 4:
Set SW1 to 0, SW2 to 0 and SW3 to 4