User guide

Watlow EZ-ZONE
®
PM PID Controller • 39 • Chapter 5 Operations Page
Operations Page
Display
Parameter Name
Description
Range Default
Modbus Rela-
tive Address
CIP
Class
Instance
Attribute
hex (dec)
Pro-
fibus
Index
Param-
eter ID
Data
Type
&
Read/
Write
No Dis-
play
Monitor (1)
Set Point Active
Read the current active set
point.
-1,999.000 to
9,999.000°F or units
-1,128.000 to
5,537.000°C
Instance 1
Map 1 Map 2
2172 2652
0x6B (107)
1
7
- - - - 7018 float
R
No Dis-
play
Monitor (1)
Autotune Status
Read the present status of
Autotune.
[`off] Off (62)
[ts;1p] Waiting for
cross 1 positive (119)
[ts;1n] Waiting for
cross 1 negative (120)
[ts;2p] Waiting for
cross 2 positive (121)
[ts;2n] Waiting for
cross 2 negative (122)
[ts;3p] Waiting for
cross 3 positive (123)
[ts;3n] Waiting for
cross 3 negative (150)
[`mn] Measuring
maximum peak (151)
[`ma] Measuring min-
imum peak (152)
[CalC] Calculating
(153)
[Cplt] Complete (18)
[``to] Timeout (118)
Instance 1
Map 1 Map 2
1932 2412
0x97 (151)
1
27
- - - - 8027 uint
R
[Loop]
[oPEr]
Control Loop Menu
[`C;M]
[ C.M]
Control Loop (1)
Control Mode
Select the method that
this loop will use to con-
trol.
[`off] Off (62)
[AUto] Auto (10)
[MAn] Manual (54)
Auto Instance 1
Map 1 Map 2
1880 2360
0x97 (151)
1
1
63 8001 uint
RWES
[A;tSP]
[A.tSP}
Control Loop (1)
Autotune Set Point
Set the set point that the
autotune will use, as a
percentage of the current
set point.
50.0 to 200.0% 90.0 Instance 1
Map 1 Map 2
1998 2398
0x97 (151)
1
0x14 (20)
- - - - 8025 float
RWES
[`AUt]
[ AUt]
Control Loop (1)
Autotune
Start an autotune. While
the autotune is active, the
Home Page will display
[Attn] [tUn1] . When the
autotune is complete, the
message will clear auto-
matically.
[``no] No (59)
[`YES] Yes (106)
No Instance 1
Map 1 Map 2
1920 2400
0x97 (151)
1
0x15 (21)
64 8026 uint
RW
[`C;SP]
[ C.SP]
Control Loop (1)
Closed Loop Set Point
Set the set point that the
controller will automati-
cally control to.
Low Set Point to High
Set Point (Setup
Page)
75.0°F
or
units
24.0°C
Instance 1
Map 1 Map 2
2160 2640
0x6B (107)
1
1
49 7001 float
RWES
Note:
Some values will be rounded off to fit in the four-character display. Full values can be
read with other interfaces.
R: Read
W: Write
E: EE-
PROM
S: User
Set