Section 6 - Operating The Controller With Communications Option; Operation; Table 6-1 Emergency Manual Procedure - Honeywell UDC2300 Product Manual

Section 6 – Operating the Controller with Communications
6.1

Operation

Introduction
Monitor mode
Slave mode
Emergency manual
Overriding setpoint or
PV indication
10/00 RS422/485 ASCII Communications Option Product Manual
Option
During communications the controller can operate in various modes and
the operator can assume manual control of the output. There are various
indications of these actions.
During "Monitor Mode" the UDC will control normally with operator
access allowed at the keyboard. See the individual Product Manual.
During "Slave" operation:
• Configuration data may not be changed via the front keyboard.
• MAN annunciator is OFF.
• The controller will use override data provided at the computer.
During "Slave" operation the operator can assume manual control of the
output (Emergency Manual). The procedure in Table 6-1 tells you how to
start and stop emergency manual.
Table 6-1 Emergency Manual Procedure
Operation
Start Emergency Manual
End Emergency Manual
When setpoint or PV are overriden, a blinking "CSP" appears in the upper
display.
Action
• Press [MAN/AUTO].
• MAN annunciator comes ON.
• Press [ ] or [ ] to position the
output manually.
• Press [MAN/AUTO] key - this
second press ends the Emergency
Manual operation. The controller
reverts to "Slave" mode, Manual
output.
• MAN annunciator goes OFF.
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