Teledyne 7500 Series Operating Instructions Manual page 19

8) Description on terminal block
Terminal block 1 <TN1>
Terminal block for analog output (non-isolated output)
Output : 4 to 20 mA or 0 to 100V DC
Between 1 – 2:
Between 3 – 4:
Between 5 – 6:
Between 7 – 8:
Between 9 – 10:
Between 11 – 14:
Between 15 – 16:
Between 17– 18:
Between 19 – 20:
Terminal block 2 <TN2>
Between 1– 2:
Between 3 –12:
Between 13 – 14:
Between 15 – 16:
Between 17 – 18:
Between 19 – 20:
Note: High range is selected when open. Low range is
selected when short-circuited. For details of action, refer to "6.7
Parameters Setting, "Remote Range".
CH5 output
CH4 output
CH3 output
CH2 output
CH1 output
For internal connection. Must not be
wired. (Must not be used as junction
terminal.)
CH8 output
CH7 output
CH6 output
For O2 sensor input. (Input for our
Zirconia oxygen sensor or external
O2 sensor. Must not be used unless
O2 meter is added.)
For internal connection. Must not be
wired. (Must not be used as junction
terminal.)
CH4 remote range changeover input
CH3 remote range changeover input
CH2 remote range changeover input
CH1 remote range changeover input
Teledyne Analytical Instruments
19 Model 7500 Instruction Manual