Modbus Read, Write and Override Parameters plus Exception Codes
3/07 UDC3500 Universal Digital Controller Product Manual 359
Parameter
Register
Address
Data
Type
Access Data Range or
Enumerated Selection
Description ID Hex Decimal
Rate #4
Note 1
5 4005 16389 FP R/W 0.00 to 10.00
Reset #4
Note 1
6 4006 16390 FP R/W 0.02 to 50.00
Cycle Time #1 21 0015 21 INT R/W 1 to 120 seconds
Cycle Time #2 22 0016 22 INT R/W 1 to 120 seconds
Lockout
(keyboard only)
Changes to data
are always possible
via communications
regardless of this
configuration.
132 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 80 0050 080 INT R/W 0 to 9999
Man/Auto Key
Lockout
191 00BF 191 INT R/W 0 = Disabled
1 = Enabled
Run/Hold Key
Lockout
238 00EE 238 INT R/W 0 = Disabled
1 = Enabled
Setpoint Key
Lockout
237 00ED 237 INT R/W 0 = Disabled
1 = Enabled
NOTE 1: Writes to these locations are not available when Accutune is enabled.