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Just a note... There are several tech notes on the AB Knowledgebase that address this very issue. ALso, make sure all your FactoryTalk services are set correctly.

I wasnt trying to get to the specific IO type, count, etc. Just as a general question as to what might be a preferred brand. I have only been AB for over 35 years and kind of thought that maybe I was missing something better. Thanks for the insight on the CompactLogix, Siemens and Mitsubishi, thats the kind of answer I was looking for. Just general info. Knowing there isn't the perfect PLC by any brand. Again, just curious. Thanks

Hi All, Just curious, knowing what features are available using the MicroLogix 1400, IF you was going to switch from the ML1400 to another PLC without losing any programming or physical size features, what would you use..??? Thanks,

1st question..What model do I have..?? What difference does it make.?? All of the four types of 1400's I have are expandable with 1762 modules. 2nd question..Do I want to stay with AB or change brands..?? Well, I guess I would like to know both. If I stay with AB my guess would be the 1769-L3 CompactLogix. But IF I was to go to another brand, what would be a good alternative brand that would not be a radical learning curve..??? Please dont over complicate this, I was just looking for a simple this or that, nothing more. Thanks

Hi All, I'm using a Micrologix 1400 (1766-L32BWA) using the HSC:0 Input. I configured the HSC correctly based on that I can see the ACC value increasing with the pulse count. It also resets to 0 when the HIP (High Preset Value) is reached. I thought I could use the signal HPR (High Preset Reached) to trigger a counter and use the ACC value of the counter as a totalizer. But no matter what I do with the ACC value or HPR value of the HSC in my ladder logic does it ever work. What or How can I use the data from the HSC to do a totalizer. Thanks

Hi Ken, Thanks for info, I will try this. This is one of those features that to me at first glance appears very straight forward but has some unique quirks about it.

Hi All, Im using a MicroLogix 1400 with a 1762-IQ8 Input Module. I think the module input is good for 8ms. I want to connect a OMEGA FTB4705 Flow Meter that has an sinking ouput pulse of 550 pulses per gallon. The flow rate is about 10 gallons per minute. How can I calculate the flow rate pulse frequency to determine IF this module is fast enough to work. Im sure it is simple, but Im dont know. Thanks,

Hi Mickey, You know at first I thought the same thing too, then I tried to verify this with AB Tech Support chat room and the guy told me no, that was only on 1200 and 1500, he even sent me a tech note. So thats what led me to the IQ8 module. I tried what you said and YES it does work..!! Now I should have the ability to use the HSC feature on the base of the 1400. Thats why I hate bothering you all with what may seem trivial matters, but sometimes this is where I get the best answers. Thanks Again PS. It also seems the terms Sinking and Sourcing vary from vendor to vendor of devices..!!!

Thanks to you both for the help. It looks like I might be asking too much for this module. I would like to use the HSC on the base of the 1400 but I believe it will only except sourcing signals and not sinking. Is there a device that you would recommend that would convert the sinking to sourcing or is there another option you could recommend..?? Thanks

Hi All, Using a MicroLogix 1400 with RSLogix500, I would like to count an event to at least 2 million. I am currently moving the accumulated value in the CTU to a N7 integer value to display on an HMI. But using a standard CTU the limit appears to be 32767. Is there an easy way of getting an accumulated value of 2 million as a single integer..??? Thanks

Hi All, Im trying to find a water flow meter for a 1/2 inch line that turns on and off, that when on has a flow rate of about 1 gpm. It is not always a full pipe and it only turns on for about 10 seconds every 10 minutes. I would like to get one 24vdc pulse out for every gallon thru meter. Just curious if anyone has used a meter in this sort of application with good results and what brand/model of meter it was or any suggestions. Thanks

Paul, I am using a ML1400 PN: 1766-L32BWA I talked to Matt at GPI and he told me to buy the following from them. G2S05NXXXXA = Turbine Meter 113435-1 = Electronics GPI told me this will give 2500 pulses per gallon (42 - 420 Hz). I have the flow meter connected to I:0/0 HSC and setup per AB tech note for using the HSC. How do I determine the total gallons for my totalizer..??? Im sure it is easy, but Im not seeing it. Thanks, Mark

Thanks for the Accusonics info. I have used these in the past, but I think for this current application it is a bit of an over kill. I did contact GPI and did not get much help. Is there a particular model that would work with a MicroLogix 1400 normal DC input ??? 1/2 inch line , 1-10 gpm Thanks

Hi Paul, 1. I have a solenoid that turns the water on and off. 2. I have a flow control valve (adjustable) for the water flow. What I need is a flow meter to give a signal out to my PLC so I can keep track of my total water usage. Also, Im kind of limited on space, because of where this needs to mount. It is on a 1/2 inch copper line, and is only city tap water. The water is off more than it is on tho (solenoid turning on/off). I would prefer a simple 24vdc pulse out for every gallon that has gone thru the flow meter if possible. But right now Im open to any suggestions. Thanks

I know how to connect it. Im just using it as a long term totalizer. What Im looking for is a brand/model of flow meter.

I can put it on the front side of the solenoid, that will keep it a full pipe. I am using a AB MicroLogix 1400. When the water is flowing it is about 1 to 2 gpm.

Hi All, Is there a secret to getting a signal to graph correctly on RSLogix 500 Pro using the Custom Graphic Monitor..??? I have the latest edition of RSLogix500 Pro, but I cant seem to get it to work. Thanks

MicroLogix 1400 is my first choice. More options and on-line editing

Hi All... Im using a MicroLogix 1400 / RSLogix 500 I know Im making this harder than it appears, but Im trying to get convert my level (inches) into gallons in a round tank. I know the formula for such is: Pi (3.1416) x Radius Squared x Depth / 231 = Gallons Given Values: F8:222 = Depth in Inches (0 - 30.0) F8:224 = Diameter in Inches (53.0) F8:225 = Radius in Inches (26.5) F8:226 = Radius Squared in Inches (702.25) F8:228 = Gallons Using CPT instructions, this just gives me bit and word errors. Could someone straighten me out here..?? What am I doing wrong..?? Is there an easier way..?? Thanks

Thank You Very Much..!!! Sometimes I can not see the forrest for the tree's..!!!

Thanks for the reply

Does the MicroLogix family have this DII feature..??? Thanks

Hi Bob, I also have a similar project but my application requires wireless communication. This has probably been discussed before many times. Is there any links to older discussions or do you have any advice..?? I too will be using two AB ML1400 controllers. I need to transmit about 200 yards. 1. Any brands and models of transcievers (excuse me if I am using the wrong terms) 2. I assume I put a wireless device (transciever) at both PLC-A and PLC-B 3. Do I connect to each wireless device with Ethernet Thanks in advance for any advice. Mark

Hi Okie, I ordered one of these also, I have a place that will work just great with this style. Thanks, Mark

Hi All, Im using a MicroLogix 1400 and need to measure the outside ambient air temperature and humidity with a 4-20ma output from each sensor. Just curious if anyone has used with success or could recommend a good rugged industrial temp and humidity sensors that can stand up to the elements. Thanks