Fuji Electric FRENIC-HVAC User Manual page 427

PID2 feedback error -- PV2-OFF (Function code data = 204)

This output signal comes ON when a feedback (PV) level error occurs.
 Refer to J227 through J231.
Under external PID1 to PID3 control-- EPID1-CTL, EPID2-CTL, and EPID3-CTL

(Function code data = 211, 221, and 231)
These signals come ON when external PID control 1 to 3 are selected, respectively.
 Refer to J501, J601, and J651.
External PID1 to PID3 output -- EPID1-OUT, EPID2-OUT, and EPID3-OUT

(Function code data = 212, 222, and 232)
These signals are duty output of external PID control 1 to 3.
 Refer to J501, J601, and J651.
Running under external PID1 to PID3 -- EPID1-RUN, EPID2-RUN, and EPID3-RUN

(Function code data = 213, 223, and 233)
These signals come ON when external PID control 1 to 3 are activated, respectively.
 Refer to J501, J601, and J651.
External PID1 to PID3 alarm -- EPV1-ALM, EPV2-ALM, and EPV3-ALM

(Function code data = 214, 224, and 234)
These signals come ON when external PID1 to PID3 alarms occur with external PID control 1
to 3 selected.
 Refer to J521, J522, J524, J621, J622, J624, J671, J672, and J674.
External PID1 to PID3 feedback error -- EPV1-OFF, EPV2-OFF, EPV3-OFF

(Function code data = 215, 225, and 235)
These signals come ON when a feedback (PV) level error occurs when external PID control 1
to 3 are selected, respectively.
 Refer to J529 through J531, J629 through J631, and J679 through J681.
6.3 Details of Function Codes
6-117