Name Description Read (?) and/or Write (=) Syntax Range
data.1 data.2
Modbus
Address
Ramping Controller Prompt Table
981,
982, 983, 984
Command Summary Series 981-984, Chapter 5 Data Communications with the Watlow Series 988 Family
5.7
IDSP Idle Set Point ? <sp> IDSP <cr> RL1 to RH1
308 After Power Outage = <sp> IDSP <sp> data.2 <cr>
IN1 Input 1 Type ? <sp> IN1 <cr> 1 = J t/c; 32 to 1500°F/0 to 816°C
601 = <sp> IN1 <sp> data.2 <cr> 2 = K t/c; -328 to 2500°F/-200 to 1371°C
3 = T t/c; -328 to 750°F/-200 to 399°C
4 = N t/c; 32 to 2372°F/0 to 1300°C
5 = E t/c; -328 to 1470°F/-200 to799°C
6 = C t/c (W3); 32 to 4200°F 0 to 2316°C
7 = D t/c (W5); 32 to 4200°F/0 to 2316°C
8 = Pt 2; 32 to 2543°F/0 to 1395°C
10 = R t/c; 32 to 3200°F/0 to 1760°C
11 = S t/c; 32 to 3200°F/0 to 1760°C
12 = B t/c; 1598 to 3300°F/870 to 1816°C
Caution: Writing to IN1 or IN2 resets most 14 = 1° RTD (JIS); -328 to 1166°F/-200 to 630°C, or
prompts to their default values. 14 = 1° RTD (DIN); -328 to 1472°F/-200 to 800°C
15 = 0.1° RTD; -99.9 to 999.9°F/-99.9 to 700.0°C
17 = 4-20mA; -999 to 9999 units
18 = 0-20mA; -999 to 9999 units
19 = 0-5VÎ (dc); -999 to 9999 units
20 = 1-5VÎ (dc); -999 to 9999 units
21 = 0-10VÎ (dc); -999 to 9999 units
23 = 0-50mVÎ (dc); -999 to 9999 units
24 = 0-100mVÎ (dc); -999 to 9999 units
IN2 Input 2 Type ? <sp> IN2 <cr> 26 = Slidewire off
611 = <sp> IN2 <sp> data.2 <cr> 27 = Slidewire; 100 to 1200Ω
32 = Event input 2 off
33 = Event Input 2 on
IT1 Integral for Output 1 ? <sp> IT1 <cr> 0.00 to 99.99 minutes per repeat
501 = <sp> IT1 <sp> data.2 <cr> Default: 10.00 minutes per repeat
IT2 Integral for Output 2 ? <sp> IT2 <cr> 0.00 to 99.99 minutes per repeat
511 = <sp> IT2 <sp> data.2 <cr> Default: 10.00 minutes per repeat
ITY1 Input 1 ? <sp> ITY1 <cr> 0 = None
8 Hardware Type 1 = t/c only
4 = Input off
5 = Universal RTD
6 = Universal high gain t/c
7 = Universal low gain t/c
8 = Universal millivolts
9 = Universal process
ITY2 Input 2 ? <sp> ITY2 <cr> 0 = None
9 Hardware Type 3 = Slidewire
4 = Input off
10 = Event input
LAT2 Alarm 2 Latching ? <sp> LAT2 <cr> 0 = Latching alarms
721 = <sp> LAT2 <sp> data.2 <cr> 1 = Non-latching alarms
Default: 1
LAT3 Alarm 3 Latching ? <sp> LAT3 <cr> 0 = Latching alarms
738 = <sp> LAT3 <sp> data.2 <cr> 1 = Non-latching alarms
Default: 1
ç
CAUTION:
Avoid writing <=>
continuously, such
as ramping set
points or repetitive
loops, to the
Series 981-984
EEPROM memory.
Continuous writes
may result in
premature control
failure, system
downtime and
damage to pro-
cesses and
equipment.
Table 5.7 -
IDSP to LAT3
NOTE:
The number of
decimal places
returned by many
of these com-
mands is deter-
mined by the DEC1
or IN1 setting.
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