Teledyne 7500 - Infrared gas analyzer - operating manual - Manual (Page 22)

22 Model 7500 Instruction Manual
Teledyne Analytical Instruments
Terminal block 5 <TN5>
1 and 11 – 14: For internal connection. Must not be
wired. (Must not be used as junction terminal.)
Between 2 - 3 and 3 - 4: CH3 alarm output. Conductive
at 2 – 3 and open at 3 – 4 when set value is exceeded.
Open at 2 – 3 and conductive at 3 – 4 otherwise.
Between 5 - 6 and 6 - 7: CH2 alarm output. Conductive
at 5 – 6 and open at 6 – 7 when set value is exceeded.
Open at 5 – 6 and conductive at 6 – 7 otherwise.
Between 8 - 9 and 9 - 10: CH1 alarm output. Conductive
at 8 – 9 and open at 9 – 10 when set value is exceeded.
Open at 8 – 9 and conductive at 9 – 10 otherwise.
Between 15 - 16 and 16 - 17: Peak count alarm contact
output. Conductive at 15 – 16 and open at 16 – 17 when
preset peak count is exceed. Otherwise, open at 15 – 16
and conductive at 16 – 17. For setting and action, refer
to instruction manual “6.6 Peak Alarm Setting”.
Between 18 – 19 and 19 – 20: CH4 alarm output.
Conductive at 18 – 19 and open at 19 – 20 when set
value is exceeded. Open at 18 – 19 and conductive at
19 – 20 otherwise.