Command summary and syntax, Commands – Watlow Series 734 Data Communications User Manual
Page 17

How to Use Data Communications
17
WATLOW Series 733/734
Command Summary Series 733/734 Data Communications
Name
Description
Read (?) and/or Write (=) Syntax
Range
(data.1)
Add ETX & STX with ANSI X3.28 Protocol
(data.2)
A1HI
Zone 1 Alarm High
? <sp> A1HI <cr>
Process Alarm: A1LO to R1H
= <sp> A1HI <sp> data.2 <cr>
Deviation Alarm:
0 to 555°C/0 to 999°F
A1LO
Zone 1 Alarm Low
? <sp> A1LO <cr>
Process Alarm: R1L to A1HI
= <sp> A1LO <sp> data.2 <cr>
Deviation Alarm:
0 to -555°C/0 to -999°F
A2HI
Zone 2 Alarm High
? <sp> A2HI <cr>
Process Alarm: A2LO to R2H
= <sp> A2HI <sp> data.2 <cr>
Deviation Alarm:
0 to 555°C/0 to 999°F or Units
A2LO
Zone 2 Alarm Low
? <sp> A2LO <cr>
Process Alarm: R2L to A2HI
= <sp> A2LO <sp> data.2 <cr>
Deviation Alarm:
0 to -555°C/0 to -999°F or Units
AL1
Zone 1 Alarm Type
? <sp> AL1 <cr>
0 = Process Alarm
= <sp> AL1 <sp> data.2 <cr>
1 = Deviation Alarm
2 = No Alarm
AL2
Zone 2 Alarm Type
? <sp> AL2 <cr>
0 = Process Alarm
= <sp> AL2 <sp> data.2 <cr>
1 = Deviation Alarm
2 = No Alarm
ALM
Alarm Status
? <sp> ALM <cr>
0 = No alarms occurring
(Writing a 0 will clear
= <sp> ALM <sp> 0 <cr>
1 = A1HI occurring
all alarms if all alarm
2 = A1LO occurring
conditions no longer
4 = A2HI occurring
exist.)
8 = A2LO occurring
AUT1
Zone 1 Auto-tune
? <sp> AUT1 <cr>
0 = No auto-tuning
= <sp> AUT1 <sp> data.2 <cr>
1 = Slow response tuning
2 = Medium response tuning
3 = Fast response tuning
AUT2
Zone 2 Auto-tune
? <sp> AUT2 <cr>
0 = No auto-tuning
= <sp> AUT2 <sp> data.2 <cr>
1 = Slow response tuning
2 = Medium response tuning
3 = Fast response tuning
C1
Zone 1 Process Value ? <sp> C1 <cr>
Between R1L and R1H
C2
Zone 2 Process Value ? <sp> C2 <cr>
Between R2L and R2H
CAL1
Zone 1 Cal Offset
? <sp> CAL1 <cr>
-99°F to 99°F
= <sp> CAL1 <sp> data.2 <cr>
-55°C to 55°C
CAL2
Zone 2 Cal Offset
? <sp> CAL2 <cr>
-99°F to 99°F
= <sp> CAL2 <sp> data.2 <cr>
-55°C to 55°C
-99 Units to 99 Units
CF
Degrees Select
? <sp> CF <cr>
0 = Display °F
= <sp> CF <sp> data.2 <cr>
1 = Display °C
CSP
Current Set Point
? <sp> CSP <sp> zone <cr>
0 = Zone 1
1 = Zone 2
CT1
Zone 1 Cycle Time
? <sp> CT1 <cr>
1 to 60 seconds
= <sp> CT1 <sp> data.2 <cr>
CT2
Zone 2 Cycle Time
? <sp> CT2 <cr>
1 to 60 seconds
= <sp> CT2 <sp> data.2 <cr>
Table continued on the next page.
Commands
Table 5 -
Command Summary
with Read (?) and
Write (=) Simple
Syntax and Data
Range/Responses.