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WATLOW Series 945
How to Use Data Communications
Commands
Data.1 Respns Information Comments
C1 ACTUAL Actual process value Between R1L and R1H
IN 0 J T/C
1 K T/C
2 T T/C
3 N T/C
4 PT2 T/C
5 C T/C
6 Not Used
7 R T/C
8 S T/C
9 B T/C
10 RTD whole
11 RTD tenths
12 0-5V
13 4-20mA
MODE 1 Auto mode Multiple modes are possible.
2 Manual mode
4 Configuration mode
8 Calibration mode
16 Alarm silence active
ERR 0 No error Multiple errors are possible.
1 Open sensor
2 Reversed sensor
4 Ambient sensor
8 Configuration
16 EE Checksum
32 A/D underflow
64 A/D overflow
128 Not used
ER2 0 No error Cleared when ER2 is read.
1 Transmit buffer overflow Only 1 ER2 response is valid.
2 Receive buffer overflow
3 Framing error
4 Overrun error
5 Parity error
6 Talking out of turn
7 Invalid reply error
8 Noise error
16 Process input active
17 Local/remote is local
18 Local/remote is remote
19 Remote not enabled
20 Command not found
21 Parameter not found
22 Incomplete command line
23 Invalid character
24 Number of chars. overflow
25 Input out of limit
26 Read only command
27 Write allowed only
BTYP 0 T/C Only
1 T/C, RTD whole, process
2 T/C, RTD tenths, process
3 R, S, B T/C
MDL Displays 945 X
X = software revision
RSP1 Remote SP Remote set point setting
"?" Command
The "?" Command reads a specific value of the Series 945 parameter (Data.1).
Tables 5 and 6 provide the complete list of parameters you may use, plus re-
sponses.
Table 5 -
"?" Commands
and Responses.
These commands
are READ ONLY.