Data Exchange Interface - Graco HFR Setup

• Setting the O26 starts the pumps to circulate
material at the recirculation flow rate. If in night
mode, the auto circulate between dispenses
feature is on and pumps are idle (shot, sequence or
operator modes). If the HFR recirculation valves are
Installed and the recirculation valves are opened
they will display the
sequence or operator modes.
• Setting the O26 bit will pressurize the pumps if in
operator mode. Setting this mode makes the
system ready for dispensing if using the manual
controlled fusion/ P2 dispense valve option only.
• Setting the O26 bit will start the pumps into low
pressure circulation mode, and will start the cold
start process (if at start up condition) if there is a
NVH system.
Clearing the system startup bit will perform the
opposite as described above.
High Pressure Recirculation (I173 and O28):
Setting this bit will command the NVH or full
recirculation system into high Pressure mode, required
to dispensing material.
Cold Startup Active (I174):
This indication informs the PLC that a cold startup
process is active. If active, the NVH system is slowly
starting the pumps and applying heat to the materials
to lower the material viscosity (and consequently pump
pressures) preparing the materials for dispense. As the
process continues, the NVH will slowly increase the
material flow as the pump pressures lower due to
lowering of the material viscosities. When the process
is completed (typically taking about ½ an hour), the
materials are ready for dispensing. This process is
started by setting the system startup control bit after
the NVH system has been idle for some time.
System is "Ready" for Dispense Request.
(I175):
This informs the controlling logic it is OK to request a
dispense. If set, there are no active alarms, system is in
a dispensing mode (operator, shot or sequence), and
circulating material if necessary (auto circulation
between dispenses on or circulation is on if a NVH
system).
3A2797ZAA
icon when in shot,
Appendix G - Communications Gateway Module Installation Kit
Dispense Request (O29):
This PLC output can be used in place of the foot switch
input into the HFR for requesting dispenses. However,
if the excessive field bus traffic is present or the field
bus has many nodes, the request response time may
not be as fast or consistent as using the foot switch
input.
ADM Lock Out (O35), Bit 2 Indication from
Additional Status Bits register:
If active, all keys on the ADM will be disabled with
exception of the ADM RED key, the run screen
navigation keys and the user will be able to
acknowledge errors. The soft keys will be visible but will
be indications only.
If the controlling PLC clears the PLC/ robot (CGM)
control request output (O33), an active ADM lockout
condition will be automatically cleared. See F
Mixer
04/22/21 14:57
Sequence
No Active Errors
RED
6.5 bar
10
z
3.0
35.0 g/s
0
F . 45 HFR automatically circulating after a
IG
sequence Z dispense, in ADM lockout mode

Data Exchange Interface

This is bi-directional interface which provides both
transmit and reception of data between the HFR/ NVH
system, and the controlling logic (PLC, robot or
equivalent). The interface allows a large amount of data
to exchange between the systems, while only
occupying a very small portion of the map to support
the exchange. The interface also allows for future
expansion of data without changing the map structure.
. 45.
IG
Status
Home Errors
BLUE
3.27:1
7.2 bar
19.3 g/s
3.20:1
30.0 g
105