JC Systems 620A, Reference Manual

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Page 3: CH1 LIMITS:
Line 1: Display only
Line 2: Select CH1 limit assignment.
CH1
PROCESS
CH2 PROCESS
CH2 SETPOINT
Line 3: Enter Hi limit value
Line 4: Enter Lo limit value.
The CH1 limit output is off if values are cleared as shown above.
Hi = 100 and LO = ----. The CH1 output will go active (low) only if the selected PV or SP is > 100
Hi = 100 and LO = 0. The ch1 output is active (low) only above 100 and below 0
Hi = ---- and LO = 0. The ch1 output is active (low) only below 0
Do not use a Hi value lower than the Lo or a Lo value higher than the HI. In these cases the output will never
turn off.
NOTE:
If the CH1 Limit is assigned to CH2, both channels MUST be configured for the same units.
Page 4: CH2 LIMITS:
Line 1: Display only
Line 2: Select CH2 limit assignment.
CH2
PROCESS
CH1 PROCESS
CH1 SETPOINT
Line 3: Enter Hi limit value
Line 4: Enter Lo limit value.
The CH2 limit output is off if values are cleared as shown above.
Hi = 100 and LO = ----. The CH2 output will go active (low) only if the selected PV or SP is > 100
Hi = 100 and LO = 0. The ch2 output is active (low) only above 100 and below 0
Hi = ---- and LO = 0. The ch2 output is active (low) only below 0
Do not use a Hi value lower than the Lo or a Lo value higher than the HI. In these cases the output will never
turn off.
NOTE:
If the CH2 Limit is assigned to CH1, both channels MUST be configured for the same units.