...
| STX | > | 0 | 1 | b | R | D | S | T | A | T | ETX | 0 | 1 | CR |
LOCAL:
| ACK | STX | > | 0 | 1 | b | S | T | A | T | U | S | = | 2 | 2 | ETX | CR |
- Command block begins with PREFIX and ends with TERMINATOR
- Command begins with SPACE and ends with SUFFIX
- Checksum is used to test for transmission errors
- ASCII character ">" is a delimiter
- STX=02d (02h)
- NAK=21d (15h)
- ETX=03d (03h)
- SPACE=32d (20h)
- ACK=06d (06h)
Read Status Command (RDSTAT)
LOCAL replies to RDSTAT:
| STATUS= | DESCRIPTION |
| 0 | No status to report, no command given |
| 1 | Last command was successful |
| 10 | Last command failed, invalid command |
| 11 | Last command failed, data was unparseable |
| 20 | Last command failed, data was beyond high limit |
| 21 | Last command failed, data was beyond low limit |
| 22 | Last command failed, data was out of range |
| 23 | Last command failed, data was wrong polarity |
| 50 | Remote mode not enabled |
| 60 | Not allowed |
Read Fault Command (RDFLT)
LOCAL replies to RDFLT:
| FLT= | DESCRIPTION |
| 7 | System fault |
| 8 | Heater fault |
| 9 | Low line voltage |
| 10 | Cathode over-voltage |
| 11 | Body over-current |
| 12 | Cathode under-voltage |
| 15 | Collector under-voltage |
| 16 | Inverter fault |
| 17 | Interlock open |
| 18 | Tube arc |
| 19 | EIK over-temperature (h) |
| 20 | Cabinet over-temperature (h) |
| 26 | Panel open |
| 29 | External inhibit |
| 30 | Anode over-voltage |
| 49 | EIK over-temperature (s) |
| 50 | Cabinet over-temperature (s) |
| 62 | Anode over-limit (s) |
| 64 | Anode not set (s) |
(h) = hardware
(s) = software
Basic Command Set
| HOST COMMAND | LOCAL RESPONSE | MEANING |
| PWR-ON | CR | Turn power on |
| PWR-OFF | CR | Turn power off |
| XMIT-ON | CR | Transmit |
| XMIT-OFF | CR | Stop transmitting |
| RESET | CR | Clear system faults |
| RDS/N | s/n = | Read unit serial number |
| RDSTAT | Status = | Refer to Status Code |
| RDFLT | Status = | Refer to Fault Code |
| RDCONHR | ConHr = | Read console hours |
| RDCONMN | ConMn = | Read console minutes |
| RDRFHR | RfHr = | Read RF (Ik) ON hours |
| RDRFMN | RfMn = | Read RF (Ik) ON minutes |
| RDEK | Ek = | Read cathode voltage |
| RDEB | Eb = | Read collector voltage |
| RDEF | Ef = | Read filament voltage |
| RDIF | If = | Read filament current |
| RDIW | Iw = | Read body current |
| RDTMPEIKF | EIKF = | Read EIK temp. in °F |
| RDTMPEIKC | EIKC = | Read EIK temp. in °C |
| RDTMPPSF | PSF = | Read P/S temp. in °F |
| RDTMPPSC | PSC = | Read P/S temp. in °C |
| RDEIKOTF | EIKOTF = | Read EIK over-temp. warning level in °F |
| SEIKOTF | none | Set EIK over-temp. warning level in °F |
| RDEIKOTC | EIKOTC = | Read EIK over-temp. warning level in °C |
| SEIKOTC | none | Set EIK over-temp. warning level in °C |
| RDPSOTF | PSOTF = | Read P/S over-temp. warning level in °F |
| SPSOTF | none | Set P/S over-temp. warning level in °F |
| RDPSOTC | TC = | Read P/S over-temp. warning level in °C |
| SPSOTC | none | Set P/S over-temp. warning level in °C |
| RDIWOC | IwOC = | Read body current in mA |
| SIWOC | none | Set body over-current in mA |
| RDLOGIC | Sys = | Refer to Logic code |
| RDHTDREM | HTD = | Read remaining heater warm-up delay |
Read Logic Command (RDLOGIC)
LOCAL replies to RDLOGIC:
| ASCII | MSD | LSD | ||
| 1 | Standby / ready | External inhibit | HTD OK | HV ON |
| 2 | RF OFF / ready | External interlock | Unused | Transmit ON |
| 4 | Unused | Unused | Unused | Remote mode |
| 8 | Unused | Power ON | Unused | Fault |
Example: logic code 07hex
- HV ON
- Transmit ON
- Remote mode
Example of Successful Message
Example 1:
HOST: turn high voltage ON
| STX | > | 0 | 1 | b | P | O | W | - | O | N | ETX | 0 | 2 | CR |
LOCAL: successful command
| CR |