User`s manual

Western Reserve Controls 1782-JDM User’s Manual

PUB 24.0

10 Frequently Asked Questions

1. Where is the 1782-JDMx gateway User’s Manual located?

The WRC 1782-JDMx product User’s Manuals are available from our web site Support -> Technical

Data http://wrcakron.com/data.html.

2. What are the 1782-JDMx gateways and why should I consider purchasing one for my

DeviceNet network?

The 1782-JDMx gateways are communication adapter devices that provide you with a flexible

DeviceNet-to-ModBus interface for ModBus-capable devices. The JDMx models allow you to easily

and conveniently connect and integrate peripheral products with either RS-232, RS-485 or RS-422

serial ports into a DeviceNet system, enabling you to select just the right peripheral device for your

application without limiting your selection to DeviceNet-cable devices only.

3. How can I change the DeviceNet MAC ID of my 1782-JDMx?

The address of the 1782-JDMx will come preset from the factory for address 63. You may change

the address using the bank of 6 DIP switches on the unit: they can be set to any address from 0 to

63 in binary (111111=address 63). The MACID or address will not change if the switches are moved

while the device is powered; power must be removed and reapplied when a new switch setting and

MAC ID are desired or a device reset command must be issued.

4. What electrical connections are required for a 1782-JDMx gateway?

DeviceNet Cable Connection:

1, 5-pin pluggable header (male, Phoenix Contact MSTBA 2.5/5-G-5.08/AU or equivalent)

Serial Cable Connection: For RS-232 & RS-485

1, 3-pin pluggable header (male, Phoenix Contact MSTBA 2.5/3-G-5.08/AU or equivalent)

Serial Cable Connection: For RS-422

1, 5-pin pluggable header (male, Phoenix Contact MSTBA 2.5/5-G-5.08/AU or equivalent)

5. How do I begin to use a 1782-JDMx gateway?

You can begin to use a 1782-JDMx gateway by following the User’s Manual Quick Start

instructions.

6. What are the LEDs on the 1782-JDMx indicating?

There are two sets of LEDs on the unit. The two green LEDs next to the serial connector are used

as indicators for the serial communication receive and transmit ports. The other two bi-color LEDs

are used to indicate the DeviceNet module (MS) and network (NS) status. For troubleshooting or

further information on status definitions corresponding to LED actions see LED Operation in the

1782-JDMx User’s Manual.

7. On what DIN rail can I mount the 1782-JDMx?

The 1782-JDMx can be mounted on DIN rail mount, EN 50022 (WRC50022).

8. What are some common applications for the 1782-JDMx gateway?

A 1782-JDMx gateway provides DeviceNet communications for weigh scales, bar code readers and

scanners, display panels, robots, drives, operator stations / HMI, magnetic code readers and other

ASCII serial devices.

9. Are the 1782-JDMx gateways designed to “plug-n-play”?

Yes, the 1782-JDMx gateways are designed to “plug-n-play” using our factory default settings: serial

framing of 7N2, serial baud rate of 9600, max number of receive and transmit characters set to 48,

Modbus mode set to ASCII, etc. The full list of default settings can be found under Default Settings

in the User’s Manual. If you wish to change any parameters from their default settings you will need