METIS M311 / M322 / H311 / H322 (17-pin)
Communication via Serial Interface / Interface Commands
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1 = Time clearing maximum value storage
2 = External clearing of maximum value storage
3 = Automatic clearing of maximum value storage
Clear time maximum value storage (in 100 µs steps)
XXXXXX=0x000000...03d090 (corresponds 0...25 s)
External clearing of maximum value storage
(Read) temperature range
XXXX=Beginning of temp. range; YYYY=end of temp. range (all in 1/10 degree)
Temperature sub range of pyrometer (Superordinate to the analog outputs)
XXXX=Beginning of temp. range; YYYY=end of temp. range (all in 1/10 degree)
Temp. range analog output X (X=1..2) (0…6553.5 °C/°F)
YYYY= Beginning of temp. range; ZZZZ=end of temp. range (all in 1/10 degree)
Read measuring temperature (current value) (4-digit hex.)
mw0 = current 2-color reading
mw1 = current reading channel 1
mw2 = current reading channel 2
Activation time of the digital outputs X
X=1, 2 YYYY=0x0000...ffff (corresponds 0-65535 ms)
Choice of the temperature channel for digital output 2
X=2; YY=0x00...ff
00 = 2-color, 01 = channel 1, 02 = channel 2
Output inversion (logic NO to NC)
Bit0 = 0 (digital output 1 = NO), Bit0 = 1 (digital output 1 = NC)
Bit1 = 0 (digital output 2 = NO), Bit1 = 1 (digital output 2 = NC)
Hold time digital output X
X=1, 2; hold time: YYYY (0x0000...fffe) 0-65534 ms
(ffff => holt time infinite, until controller restart or program restart!)
Outputs (digital output X, X=1, 2) YY=(00...ff)
YY=00 – no output YY=04 – Signal(strength)contact YY=08 – Setpoint band
YY=01 – device ready contact YY=05 – Over temperature YY=09 – Controller active
YY=02 – Material contact YY=06 – Setpoint limit 1 YY=0A – Control successful
YY=03 – limit switch contact YY=07 – Setpoint limit 2
Automatic targeting light shutdown
XXXX=0x0000...ffff (0...65535 s)
X=0 => targeting light never turns of; X=1…65535 => switches off after X seconds
Read signal strength (answer: 4-digit hex in 1/10%)
Hysteresis for signal strength contact (dirty window monitoring)
X=1, 2 (digital output) to value YYYY (hex in 1/10%)
Signal strength contact level (dirty window monitoring)
for X=1, 2 (digital output / signal strength contact) to value YYYY (hex in 1/10%)
Read serial number (5-digit dec.)
Transmittance
X=1, 2; YYYY=0050-1000 (corresponds 5%-100%) in 0.1% steps
tg1 – Transmission channel 1 0050-1000 (0x0032...03e8)
tg2 – Transmission channel 2 0050-1000 (0x0032...03e8)
Output test
Bit0 = 0 (Digital output 1 = inactive), Bit0 = 1 (Digital output 1 = active),
Bit1 = 0 (Digital output 2 = inactive), Bit1 = 1 (Digital output 2 = active),
Special function: xxxx => deactivate test!
Read temperature sensor (in °C/°F) (4-digit hex)
tsc0 = Device temperature in 1/256°C
tsc1 = Detector temperature in 1/256°C
tsf0 = Device temperature in 1/256°F
tsf1 = Detector temperature in 1/256°F
Hysteresis for over temperature contact
(X=Digital output 1, 2) to value YYYY (1/256°C)
Device over-temperature threshold at digital output X
X=1, 2 to value YYYY (in 1/256°C)
Read device identifier and date of software
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