FNM alpha SM 230, User Manual, Page: 54 / 72

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Description data bytes
Sensor type Bit 7
0 valid
1 error
Sensor type Bit 6..0
0x16 PT1000
0x01 Polling condition digital input 1 or current condition
0x02 Polling condition digital input 2 or current condition
0x03 Set condition digital output 1 or current voltage
0x04 Set condition digital output 2 or current voltage
0x05 Polling voltage at analogue input 1 or current voltage
0x06 Polling voltage at analogue input 2 or current voltage
0x07 Set voltage at analogue output 1 or answer
0x08 Set voltage at analogue output 2 or answer
0x09 Polling voltage at analogue input 0 - 10 V
0x0B RS232 (output data via RS232)
0x0C IIC (outputting or entering data)
à
see IIC-Addr Bit 0)
0x0D SPI (outputting or entering data)
à
see RW)
Output Bit 0
à
condition digital output
Input
Bit 1= 0
à
static condition, polling in measuring interval;
Bit 0
à
condition digital input
Bit 1= 1
à
change of state, Interrupt; Bit 0 = 0
à
downward
slope; Bit 0 = 1
à
upward slope detected
Len Number of data bytes
RW Read / Write; Bit 0 = 0
à
Write; Bit 0 = 1
à
Read
GetLen Number of data bytes to be entered
IIC-Addr
Bit 7 ... 1
à
IIC address; Bit 0 = 1
à
Read Mode; Bit 0 = 0
à
Write Mode
R
R
Resistance value * 10 for PT1000 channels (0
à
invalid value,
e. g. not within the Min / Max values)
State (SENSOR_MSG_RES)
0x07 Type of sensor unknown
0x08 Current module is no sensor module
0x01 Internal error, value could not be accepted
0x00 Value was accepted
Sync
0x01 Time transmitted is synchronous
Timestamp Timestamp
à
time in s since 1
st
January 1970, 0:00 o' clock
State general
0x00 Command executed successfully
0x01 Error during executing the command
Operation