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