Honeywell UMC800 Reference Manual

Function Parameter Index Reference
96 RS232 Communications Reference Manual 8/99
5.51 ROC Function Block
Description
The ROC label stands for Rate of Change. This block is part of the Auxiliary category. It looks like this
graphically on the Control Builder.
Dynamic Parameters:
Table 5-64 ROC Dynamic Parameters
Parameter Index Type Use R/W Description
status 0 REAL C R block status
hi_rc 1 BOOL O R ON if rate > setpoint, else OFF
lo_rc 2 BOOL O R ON if rate < setpoint, else OFF
rate 3 REAL O R Rate of Change in EU/min
IN 4 REAL I R Analog Input
Static Configuration Parameters:
Table 5-65 ROC Static Configuration Parameters
Parameter Index Type Description
filt_time 0 REAL filter time constant
range_hi 1 REAL high rate of change setpoint
Range = 0 (off) to 99999.9 eu/min
range_lo 2 REAL low rate of change setpoint
Range = 0 (off) to 99999.9 eu/min
direction_hi 3 REAL 0 = both, 1 = increment only, 2 = decrement only
direction_lo 4 REAL 0 = both, 1 = increment only, 2 = decrement only
hysteresis 5 REAL Range (0 – 999)

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English