Basic command set mode
In this mode the PHC10-3 PLUS is fully compatible with existing integration methods in terms of communications protocols, software
command set and RS232 protocol options.
Basic command set protocol
Switch Position Selection
4 UP 2 stop bits
4 DOWN 1 stop bit
5 UP CTS (clear to send) ON
5 DOWN CTS (clear to send) OFF
6 UP LF (line feed) ON
6 DOWN LF (line feed) OFF
Data transmission format is as follows:
1 start bit
7 data bits
1 parity bit (ignored on Rx: always 0 on Tx)
1 or 2 stop bits (switch 4)
Protocols: PHC10-3 PLUS RTS is asserted before first transmission from the head and remains asserted. If switch 5 is UP, CTS must be
asserted by the CMM computer to allow the head to transmit. If switch 6 is UP, the PHC10-3 will add an ASCII LF character to every
transmitted message.
Extended command set mode
In this mode the PHC10-3 PLUS uses the Renishaw extended command set. It is completely different from and incompatible with the
basic command set. The RS232 protocol is fixed with no user selectable options other than baud rate. The extended command set offers
the following advantages over the basic command set:
Software control of the hand control unit (HCU1) functions such as jog and sweep
Software control of selected PICS (product interconnection system) functions such as probe damping, Probe Power OFF and LED
OFF
Software control of selected probe functions (TP200 probe reset) Common communications protocol for products using the extended
command set
As probing systems become increasingly sophisticated and offer a wider range of functions and control options, they will be
incorporated into the new command structure, reducing integration times and costs for CMM manufacturers
The introduction of product identifiers and device numbers will enable control of multiple Renishaw interfaces in future implementations
of the extended command set
Please contact Renishaw for further details of the extended command set.
NOTE: The functions of switches 4, 5 and 6 will have no effect on the system when switch 9 is UP
In extended command set mode, the data transmission and protocol formats are fixed in line with modem RS232 conventions. There are
no user selectable options.