Honeywell UDC2500 - Manual (Page 211)

Modbus Read, Write and Override Parameters plus Exception Codes
4/07 UDC2500 Universal Digital Controller Product Manual 197
Parameter
Description
Register
Address
Data
Type
Access Data Range or
Enumerated Selection
Hex Decimal
Lockout
(keyboard only)
Changes to data are
always possible via
communications
regardless of this
configuration.
0084 132 INT R/W 0 = No Lockout
1 = Calibration Locked out
2 = +Configuration – Timer,
Tuning, SP Ramp,
Accutune are read/write
3 = +View – Tuning and SP
Ramp are read/write, no
other parameters are
available
4 = Maximum Lockout
Security Code 0050 080 INT R/W 0 to 9999
Man/Auto Key
Lockout 00BF 191 INT R/W 0 = Disable
1 =Enable
Run/Hold Key
Lockout 00EE 238 INT R/W 0 = Disable
1 =Enable
Setpoint Key
Lockout 00ED 237 INT R/W 0 = Disable
1 =Enable
NOTE 1: Writes to these locations are not available when Accutune is enabled.