In the process of bench testing a 1734-VHSC24 Point I/O High Speed counter module, I am in need of guidance on wiring the outputs to relays. I am specifically looking for examples on connecting output 0 from Module 1 terminal 6 and Module 2 terminal 2, as well as output 1 from Module 1 terminal 7 and Module 2 terminal 3. If anyone has experience in this area, your insights would be greatly appreciated.
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Can anyone provide any information on this topic? Any details or insights would be greatly appreciated.
Improving the friendliness of the documentation is crucial, as even the diagrams on the modules may not be very clear. The 1734-VHSCx module features two fast 24V solid-state sourcing outputs, with a 25us ON and 150us OFF timing. These outputs draw power from the Field Power Bus of the POINT I/O assembly next to them and can handle a load of up to 0.5A. Additionally, they come equipped with open-circuit and short-circuit detection diagnostics. The "RET" terminals on the module are linked to the DC Common of the field power bus. By connecting an output load between Output 0 or Output 1 and one of the RET terminals, it will be energized by +24V when the output is activated. Essentially, these terminals serve as an additional connection point for wires intended for the DC Common of the Field Power Bus. On the other hand, the Vaux terminals are independent of the POINT I/O field power bus and are designated for providing power to the encoder and terminating its power wire. The two VAux+ terminals and two VAux- terminals are internally connected, making them suitable for encoders that require 5, 9, 12, or 15 volt power instead of 24 volts. If desired, a small relay can be controlled with the VHSCx output for increased power capability, albeit at a slightly slower speed.
Hello Ken, thank you for the thorough response. I searched extensively on Rockwell's website and also looked up wiring diagrams on Google, but unfortunately, I could not find any information. I was cautious about proceeding without proper guidance to avoid causing damage to the module. Best regards, Alan.
Based on my experience, I found that replacing the 1734-VHSC module with a 5069 HSC was a much simpler and more functional alternative. The 1734-VHSC is not recommended for cut-to-length applications or situations requiring frequent changes to compare window values during counting, as this may result in missed pulses. It is suitable for applications where the pulse count remains stationary for a period of time, allowing the module to disable, load, and enable effectively.
From my experience working with the 1734-VHSC24, it's important to ensure that the common terminals (4,5 on each module) are correctly wired to the relays' common terminals, and that each module's DC supply is correctly set up. As for the specific outputs, it sounds like you're trying to wire Module 1 terminal 6 (output 0) and Module 2 terminal 2 together, and same for Module 1 terminal 7 (output 1) and Module 2 terminal 3. If that's the case, you might consider connecting each pair through Normally Open (NO) contacts of your relays. Just be cautious about the total load these connections will have to handle. Always check your relay datasheet to find out maximum resistive load it can cope with.
In my experience with wiring the 1734-VHSC24 Point I/O High Speed counter module, I found it helpful to use a digital multimeter to carefully track the continuity of your wiring efforts. When connecting Output 0 from Module 1 terminal 6 to Module 2 terminal 2, ensure to maintain a constant current flow and the same goes for Output 1 when you wire from Module 1 terminal 7 to Module 2 terminal 3. I'd also recommend adopting properly insulated wires and relays, preferably a Solid State Relay (SSR) to avoid any electrical interference or eventual short circuits. Do plan your wiring pathways wisely so the circuit doesn't get too complex to handle. Most importantly, ensure your power is off while wiring.
Absolutely, I'd be happy to assist! When wiring the 1734-VHSC24 outputs to your relays, keep in mind that these outputs are open-drain (i.e., NPN). An external voltage source is needed to "pull them up." So, for connecting output 0 from Module 1 terminal 6 and Module 2 terminal 2, you'll want to wire them to your relay coil's one side, then connect the other side of the relay coil to a DC+ voltage. Proceed similarly for output 1 from Module 1 terminal 7 and Module 2 terminal 3. Don't forget to use a freewheeling diode with your coil to protect the output. Lastly, keep your loads within the specified limits of the counter module for best results.
Wiring outputs from the 1734-VHSC24 to relays can be straightforward, but it's crucial to ensure you're connecting them correctly. For output 0 from Module 1 (terminal 6), you’d typically connect that directly to one side of the relay coil, with the other side of the coil going to your relay power source (usually 24V DC). Do the same for output 1 from Module 1 (terminal 7). For Module 2, just repeat the process with terminal 2 for output 0 and terminal 3 for output 1, making sure your relay's ground/neutral is properly wired. Don’t forget to configure your module settings in the software to ensure the outputs function as intended. If possible, also check if you need any flyback diodes across the relay coils to protect your module from back EMF. Hope this helps!
I’ve worked with the 1734-VHSC24 before, and for connecting those outputs to relays, you'll want to ensure you're using appropriate relay contact ratings for the loads you're switching. For output 0 from Module 1 (terminal 6) and Module 2 (terminal 2), you can wire them in parallel to ensure both relays activate when either output is triggered, depending on your application logic. Similarly, for output 1 (terminal 7 from Module 1 and terminal 3 from Module 2), you might want to connect them to separate relays for independent control, but again, verify that the relay's coil voltage matches the output configuration. Just be cautious about managing the load and current; isolating the two modules can help prevent feedback issues. Hope this helps you get started!
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Answer: - To wire the outputs to relays, you can connect output 0 from Module 1 terminal 6 and Module 2 terminal 2, as well as output 1 from Module 1 terminal 7 and Module 2 terminal 3.
Answer: - Yes, for the 1734-VHSC24 Point I/O module, you can connect output 0 from Module 1 terminal 6 and Module 2 terminal 2, and output 1 from Module 1 terminal 7 and Module 2 terminal 3.
Answer: - Certainly! You can wire output 0 from Module 1 terminal 6 and Module 2 terminal 2, and output 1 from Module 1 terminal 7 and Module 2 terminal 3 when connecting to relays.
Answer: - When wiring outputs to relays for the 1734-VHSC24 Point I/O High Speed counter module, connect output 0 from Module 1 terminal 6 and Module
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