Type: Posts; User: asterof
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I been ask to take the Discharge pressure of a condenser on a ammonia screw compressor and convert it to saturated condensing temperature (SCT).
I seem unable to locate a calculation formula to do...
I have done one package replacement, and one package new install
Have not done a split system with a vertical air handler
HR48D1VAE Heat Pump &
Air Handler HB4800VD1M22
Purchased them at a surplus auction
They are new and under warranty
Before I go an install them, first
1. are they matched
2. Is there prefabbed...
It would seem that any time an external device sets a value
to a Network Analog Parameter, or any tag (example M045)
there is a part of the tag M045 in run time thats called
Priority Array. The...
I will need to look into that tomorrow
Will post my finding here
Have not rulled out using the hardware, but here is something we have discovered
1. We are able to access the software related EIKON tags
2. We are able to read from them
3. Now for the bad...
I looked at that. It is another piece of hardware.
We have kepware opc driver working but all it is seeing is
the native firmware tags, we can not seem to connect to the
logic tags, nor discover...
Have a customer who wants Wonderware as a operator station setting on top of ALC. Anyone recommend an OPC driver for that.
Using a LGR250 and the router.
So we could meet up somewhere as the forum in concerned about
emails on the posting.
I live in SoCal, if I remember correctly you are somewhere
close to that.
Also maybe I should take this to the...
No one put an email in the message
No one is going to spam anyone
It is about a Real Job offer in Southern California
Please do not post email or IP addresses!
Anyone have a sample of setting up the Kepware Bacnet OPC
driver in Wonderware to pull data from a ME812U-LGR module
over the Bacnet/IP network.
Maybe even a project or screen shot of the topic...
ALC to Delta cross reference
ALC ME812u-LGR Delta > ?
ALC MEX816U Delta > ?
ALC ZN341V+ Delta > ?
Modbus TCP/IP over Ethernet using the FANA-01 interface for ACH550
drive. Anyone ever use ALC to talk to the ACH550 this way.
as usual, ALC sent me a Standard Application Library in the form of
a sal file, and of course no instructions on how to import it
Anyone ever had to do that.
anyone recognize these numbers
if you do could you post what they are
I know the PCU is a Processor Control Unit
Any one ever used sitebuilder to set up a Bacnet/IP
from the comp to a BASRT-B Bacnet/IP to MSTP router
BQT can see the mstp device fine, but modtest inside sitebuilder
does not see even the...
I bought those to self train
not install for the customer
The customer purchased all the ALC that was needed
If it upsets you, maybe offer more help and knowledge next time
I will be posting all...
System is up and running
I purchased modules off ebay, set up the MSTP port and built a small
system consisting of two ZN341V+, one ME812u-LGR and one MEX816u
all on a rs232-485 converter.
Seems everyone here is still beating around the bush, maybe because of the
protection of vendor issues that ALC seems to like to control.
Only a few have really offered to help me with some of the...
To monitor CO2 levels in an office building, where would one place the sensor
In the Office space or in the Supply Air.
I know u were asking 500, it is for personal test rig, what would
u let it go for.
but it is more for cad layout than actual wiring
needed to do a cad drawing for electrical contractor
anyone have the wiring schematic for a M8102 module
I realize I may be bending the rules here, but I am willing to compensate
those that assist me. My job is to get it done right for the customer
while following the guidelines this customer has...
It is not the hardware or software they
seem to be having issues with.
I guess what happened was they ask the OEM rep
who sold them the hardware on the last job,
to integrate some other...
willing to pay someone to email me pdf copies of the wiring
ZN341V – Controller VAV/PIU box
M8102 – Control Module
MX8102 – Expander control module
I need those to...
Yea I am looking into the module revisions and selections
standard protectionism of proprietary systems
Thank you for the information. Our network of dealers is our method of distribution of product and support.
While I have no doubt of your...
I have looked the system over
here is what I came up with
1 ea. LGRME
18 ea. ZN341V – Controller VAV/PIU box
1 ea. M8102 – Control Module
1 ea. MX8102 – Expander control module
This is a large customer, and he has indicated he does not want the
ALC reps involved, I would assume there is a bad history, so the customer
has gone out to Integrators. I am just going to need...
I have been given a job of installing a new Automated Logic WebCTRL
control system on a single building HVAC
the building has 16 small offices enclosed with two large centrally located
but are there any other thoughts on the subject
Like am I missing something that is special about that type
of Building Management & HVAC control.?
maybe someone can explain why you would go with all this proprietary
hardware and software. Could you not do this control and HMI using
say Allen Bradley Controllogix and RSView32. Seems they get a...
Would it be posible to get some of those manuals
I sure would be willing to compensate you for your time spent