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Setup
333347F
27
PLC Connection
A PLC can control and monitor all items shown in the
dropdown menus on the System 1 screen in the Setup
screens.
Customer Input Dropdown Options
Customer Output Dropdown Options
NOTE:
All outputs are normally open when power is
OFF. For Error (Alarm) output, the contacts open when
an alarm occurs. For all others, contacts close.
NOTE:
The InvisiPac system ships with two screw-ter-
minal connectors that plug into MZLP connectors H1
and H2. Connectors are located in a bag on the inside of
the electrical enclosure front access door. To replace
the connectors, order kit 24P176.
1.
On the System 1 screen (in the Setup screens)
select the function of each input on MZLP connector
H1 and each output on MZLP connector H2.
2.
Turn main power switch OFF.
3.
Remove electrical enclosure front access door.
4.
Route I/O cable through strain relief in electrical
enclosure. See Customer I/O Cable (S) in F
page 11.
5.
Remove power from PLC.
6.
Connect the PLC to connectors H1 and H2.
NOTE:
Each connector has four signals. The MZLP
board specifies the input range for each signal. See the
following table for pin assignments.
Inputs:
High: 10-30 Vdc, Low: 0-5 Vdc. Inputs function
without concern for polarity. Applying “high” voltage will
turn the heaters on and enable channels. Removing
voltage will turn the heaters off and disable channels.
Outputs:
0-250 Vac, 0-30 Vdc, 2A Maximum.
Option
Description
Disable
Not used.
Heater On/Off
Turn on or off the heating system and
pump.
Channel 1, 2, 3,
4, 5, or 6
Enable/Disable
Enable or disable hose and applicator
heating for that individual channel.
Option
Description
Disable
Not used.
System Ready
Indicates when the system is up to tem-
perature and the pump is stalled at
pressure.
Error (Alarm)
Indicates when there is an active alarm.
An active alarm will disable the heating
system and pump.
Error (Devia-
tion/Advisory)
Indicates when there is an active devia-
tion or advisory. An active deviation or
advisory will NOT disable the heating
system and pump.
Maintenance Due
Indicates when the maintenance total
has reached the preset notification
value.
F
IG
. 17: MZLP Board
H1 - Customer Input
H2 - Customer Output
Signal
Pin
Signal
Pin
1
1, 2
1
1, 2
2
3, 4
2
3, 4
3
5, 6
3
5, 6
4
7, 8
4
7, 8
J1
J2
J3
J6
J5
J7
F10 F9
F8 F7
F6
F5
F4 F3
F2
F1
WLD
Содержание 24T918
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