AMX AXlink Bus Controllers AXB-232++ User Manual Download

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instruction manual

AXlink Bus Controllers

AXB-232++

RS-232/422/485 Interface

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Summary of Contents for AXlink Bus Controllers AXB-232++

Page 1: ...instruction manual AXlink Bus Controllers AXB 232 RS 232 422 485 Interface ...

Page 2: ......

Page 3: ...EVICE DIP switch 4 Setting the RS 232 422 DIP switch 5 Wiring Devices to the AXB 232 6 Preparing captive wires 6 Wiring guidelines 6 Using AXlink 6 Using AXlink and External Power Supply 6 Using RS 232 7 Using Hardware Handshaking 7 Using RS 422 7 Using RS 485 7 Rack mounting the AXB 232 optional 8 Replacing the Lithium Batteries 8 Programming 9 Send_Commands 9 Axcess program characteristics 11 Se...

Page 4: ...ii AXB 232 RS 232 422 485 Interface Table of Contents ...

Page 5: ...for the Axcess control system For example the control system can use simplified commands for generic video switcher or code control a modular driver program in the AXB 232 can process control for specific makes and models Front Panel FIG 1 displays the front panel of the AXB 232 Rear Panel FIG 2 displays the rear panel of the AXB 232 FIG 1 AXB 232 front panel FIG 2 AXB 232 rear panel TX RX ON RS 2...

Page 6: ...RS 232 RS 422 or RS 485 data The RX LED blinks even if the data being received is incorrect TX LED Red Blinks to indicate the AXB 232 is sending RS 232 RS 422 or RS 485 data DEVICE DIP Switch An eight position DIP switch used to set the device number for the AXB 232 Refer to Setting the DEVICE DIP switch on page 4 and Setting jumper JP5 to set the RS 422 port for RS 485 use section on page 4 for m...

Page 7: ...mmunication is at a high data rate or over a long distance Termination can be harmful because it increases the current in the line and more radiation that could interfere with signals Jumper JP4 places 100 Ohms termination across RS422 receive data pins 5 6 1 Disconnect the RS 232 422 485 connectors 2 Unscrew the two screws on the rear panel and remove the panel 3 Slide the circuit board out of th...

Page 8: ...er on DEVICE DIP switch located on the front of the AXB 232 The device can be 1 of the 255 devices in an Axcess control system The device number must match the device assignment in the Axcess program Device numbers are assigned into the following three segments Cards 1 through 95 Boxes 96 through 127 Panels 128 through 255 Set the device number by setting the device DIP switches The device number ...

Page 9: ...mmands section on page 9 for details 115 200 is achieved by setting the DIP switch to 300 baud and using the BAUDHIGH Send_Command see the Send_Commands section on page 9 for details The table below shows the RS 232 422 DIP switch numbers functions and their corresponding values RS 232 422 DIP Switch Settings Switch 1 2 3 4 5 6 7 8 Function Stop Bits Data Bits Parity Baud Rates Setting Off Off Off...

Page 10: ...used for the cable The table below lists wire sizes and maximum lengths allowable between the AXB RS232 and Central Controller The maximum wiring lengths for using AXlink power are based on a minimum of 13 5 volts available at the Central Controller s power supply Using AXlink Connect the AXlink wiring to the connector on the AXB 232 as shown in FIG 4 Using AXlink and External Power Supply Connect...

Page 11: ... in FIG 7 Using RS 422 When communicating via RS 422 connect the wiring as shown in FIG 8 Using RS 485 When communicating via RS 485 connect the wiring as shown in FIG 9 FIG 6 RS 232 wiring FIG 7 Hardware handshaking wiring FIG 8 RS 422 wiring FIG 9 RS 485 wiring RX TX GND AXB 232 Device TX RX RX TX TX RX GND 12V RTS CTS RTS CTS 1 2 3 4 AXB 232 Device TX RX RX AXB 232 Device TX RX TX TX RX TX RX G...

Page 12: ...act your dealer and verify that they have a current copy of your program to avoid an inadvertent loss of data and prevent an unnecessary service outage 1 Discharge the static electricity from your body 2 Unplug the two pin power connector and any other connectors 3 Remove the two screws on the front panel 4 Remove the front panel and slide the circuit board out of the enclosure 5 Carefully slide e...

Page 13: ...N Overrides the DIP switch settings BAUDHIGH Enables 115 200 baud rate when the DIP switch is set to 300 baud Syntax BAUDHIGH Example SEND_COMMAND AXB232 BAUDHIGH Enables 115 200 baud rate BAUDLOW Enables 300 baud rate when the DIP switch is set to 300 baud setting default Syntax BAUDLOW Example SEND_COMMAND AXB232 BAUDLOW Enables 300 baud rate BAUDMED Enables 57 600 baud rate when the DIP switch ...

Page 14: ...ult Syntax EOFF Example SEND_COMMAND AXB232 EOFF Disables the EON command EON Forces the AXB 232 to ignore the transmitted char acters on its receiver Syntax EON Example SEND_COMMAND AXB232 EON Forces the AXB 232 to ignore the transmitted characters on its receiver When using RS 485 the transmitter and receiver are tied together HSOFF Disables hardware handshaking default Syntax HSOFF Example SEND...

Page 15: ...D AXB232 RXON Enables AXB 232 to send incoming characters received to the master The AXB EM automatically sends this command to the AXB 232 when it executes a CREATE_BUFFER program instruction TXCLR Clears and stops any charac ters waiting in the Transmit buffer Syntax TXCLR Example SEND_COMMAND AXB232 TXCLR Clears and stops any characters waiting in the Transmit buffer XOFF Disables software hand...

Page 16: ...following characters to be transmitted Used in conjunction with the B9MON command 27 18 0 Clears the ninth data bit to 0 for all of the next characters to be transmitted Syntax 27 18 0 Example SEND_STRING AXB232 27 18 0 Clears the ninth data bit to 0 for all of the next characters to be transmitted Used in conjunction with the B9MON command 27 19 time Inserts a delay before the next character to b...

Page 17: ... are the command itself CREATE_LEVEL 0 level variable Places levels sent by the master for level in variable OFF 0 channel Sends a RELEASE to the Master Sends a message that channel is off OFF 1 channel Turns off a channel This command has no external effect It can be used as status ON 0 channel Sends a PUSH to the Master Sends a message that channel is on ON 1 channel Turns on channel This comman...

Page 18: ... PUSH 0 channel within AXB 232 OFF AXB_232 channel Executes RELEASE 0 channel within AXB 232 PULSE Turns on a channel or variable for a certain amount of time Once the time elapses the channel or variable is turned off The Pulse time remains the same value until it is changed within the program Example SET_PULSE_TIME 12 Sets the current duration of future Pulses to 1 2 seconds SEND_COMMAND AXB_232...

Page 19: ...l Function Channel 254 This is only valid within the device and is not sent to the AXlink Master Reflects AXlink status When AXlink is active this channel is on When AXlink is inactive this channel is off When this channel changes state the AXB 232 generates a PUSH or RELEASE Channel 255 Reflects the state of the CTS input If the AXB 232 receives a CTSPSH command it generates PUSHes for both the M...

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