Watlow Series 988 Family - Manual (Page 30)

Name Description Read (?) and/or Write (=) Syntax Range
data.1 data.2
Modbus
Address
Ramping Controller Prompt Table
981,
982,
983, 984
Data Communications with the Watlow Series 988 Family Command Summary Series 981-984, Chapter 5 5.2
Run/Hold Mode and Prompt Accessibility
Most Series 981-984 prompts are accessible via data communications while the
controller is in its hold mode. Several are accessible when the controller is in either
run or hold. A few are accessible only in the run mode. You can monitor the
controller’s mode with the RHS command.
Table 5.2 identifies the prompts accessible in run or hold, and those available in
run only. Others not specifically identified are accessible in the hold mode only.
RUN Only Mode RUN or HOLD MODE
? CSP ? ALM
? EJC ? C1
? ENSP ? C2
? MTR* ? ENT3
= HOLD 1 ? ENT4
? ER
? ER2
? RHS
? SP1
? DEV**
? MTR**
? PWR**
= MOD x
= SP1
Resetting the communication parameters is valid only in the hold mode.
* This command is accessible only in the run mode for software revisions before and
including REV H.
** These commands are accessible in the run and hold modes for software revisions
after and including REV I.
Table 5.2 -
Run/Hold Mode
Commands.
ç
CAUTION:
Sending the Series
981-984 an invalid
prompt for its
present mode (run
or hold) will result
in a data commu-
nication error
code ER2. Use the
RHS prompt to
monitor the
controller mode.