Honeywell UDC2500 manual Set-up Group Control

Modbus Read, Write and Override Parameters plus Exception Codes

10.7.8Control

Table 10-16lists all the register addresses and ranges or selections for the function prompts in Set-up Group Control.

		Table 10-16 Set-up Group – Control
Parameter	Register		Data	Access		Data Range or
Description	Address		Type			Enumerated Selection
	Hex	Decimal
Tuning	00AC	172	INT	R/W	0 = One set only
Parameter					1	= 2 sets keyboard selected
Selection					2	= 2 sets with PV automatic
						switchover
					3	= 2 sets with setpoint (SP)
						automatic switchover
Automatic	0038	056	FP	R/W	Within the PV Range in
Switchover					engineering units
Value (used with
172 selection 2
or 3)
Local Setpoint	00AD	173	INT	R/W	0 = One Local Setpoint
Source (Number					1	= Two Local Setpoints
of LSPs)
Power Up Mode	0082	130	INT	R/W		Control	Setpoint
Recall						Mode	Mode
					0	= MAN	LSP
					1	= AUTO	LSP
					2	= AUTO	Last RSP
					3	= LAST	Last SP
					4	= LAST	Last Local SP
RSP Source	0083	131	INT	R/W	0 = None
					1	= Input 2
Setpoint	008A	138	INT	R/W	0 = None
Tracking					1	= LSP = PV (when in
					Manual)
					2	= LSP = RSP (when
					switched)
Control Setpoint	0007	007	FP	R/W	0 to 100% of PV
High Limit					(engineering units)
Control Setpoint	0008	008	FP	R/W	0 to 100% of PV
Low Limit					(engineering units)
Control Output	0087	135	INT	R/W	0 = Direct
Direction					1	= Reverse

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