Watlow ez-zone pm - Page 48

Watlow EZ-ZONE
®
PM Integrated Controller • 45 • Chapter 5 Operations Page
Operations Page
Display
Parameter name
Description
Range Default
Parameter
Appears in
Menu When
Modbus Rela-
tive Address
CIP
Class
Instance
Attribute
hex (dec)
Profibus
Index
Data
Type
&
Read/
Write
[`AUt]
[ AUt]
Loop (1 to 2)
Autotune Request
Start an autotune.
While the autotune is
active, the Home Page
will display
[Attn]
[tUn1] or [tun2].
When the autotune is
complete, the message
will clear automati-
cally.
[``no] No (59)
[`YES] Yes (106)
No Heat Al-
gorithm or
Cool Algo-
rithm (Set-
up Page) is
set to PID.
Instance 1
Map 1 Map 2
1920 2400
Instance 2
Map 1 Map 2
1990 2470
0x97 (151)
1 to 2
0x15 (21)
64 uint
RW
[`C;SP]
[ C.SP]
Loop (1 to 2)
Closed Loop Set
Point
Set the set point that
the controller will au-
tomatically control to.
Low Set Point to High
Set Point (Setup
Page)
75.0°F
or
units
24.0°C
Always Instance 1
Map 1 Map 2
2160 2640
Instance 2
Map 1 Map 2
2240 2720
0x6B (107)
1 to 2
1
49 float
RWES
[`id;S]
[ id.S]
Loop (1 to 2)
Idle Set Point
Set a closed loop set
point that can be
triggered by an event
state.
Low Set Point to High
Set Point (Setup
Page)
75.0°F
or
units
24.0°C
Always Instance 1
Map 1 Map 2
2176 2656
Instance 2
Map 1 Map 2
2197 2736
0x6B (107)
1 to 2
9
50 float
RWES
[`h;Pb]
[ h.Pb]
Loop (1 to 2)
Heat Proportional
Band
Set the PID propor-
tional band for the
heat outputs.
0.001to9,999.000°F
or units
-1,110.555 to
5,555.000°C
25.0°F
or
units
14.0°C
Heat Algo-
rithm (Set-
up Page) is
set to PID.
Instance 1
Map 1 Map 2
1890 2370
Instance 2
Map 1 Map 2
1960 2440
0x97 (151)
1 to 2
6
65 float
RWES
[`h;hy]
[ h.hy]
Loop (1 to 2)
Heat Hysteresis
Set the control
switching hysteresis
for on-off control.
This determines
how far into the “on”
region the process
value needs to move
before the output
turns on.
0.001to9,999.000°F
or units
-1,110.555 to
5,555.000°C
3.0°For
units
2.0°C
Heat Al-
gorithm
(Setup
Page) is set
to On-Off.
Instance 1
Map 1 Map 2
1900 2380
Instance 2
Map 1 Map 2
1970 2450
0x97 (151)
1 to 2
0xB (11)
66 float
RWES
[`C;Pb]
[ C.Pb]
Loop (1 to 2)
Cool Proportional
Band
Set the PID propor-
tional band for the
cool outputs.
0.001to9,999.000°F
or units
-1,110.555 to
5,555.000°C
25.0°F
or
units
14.0°C
Cool Algo-
rithm (Set-
up Page) is
set to PID.
Instance 1
Map 1 Map 2
1892 2370
Instance 2
Map 1 Map 2
1962 2442
0x97 (151)
1 to 2
7
67 float
RWES
Note:
Some values will be rounded off to fit in the four-character display. Full values can be read with
other interfaces.
* Available with PM4, PM8 and PM9 models only
R: Read
W: Write
E: EE-
PROM
S: User
Set