Magnetek Enrange CAN-6 Technical Information PDF herunterladen (Seite 17)

Enrange MHR Instruction Manual

August 2014

Page 16 of 57

+Vbattery (CON1 D3 and CON2 K1, K2, K3)

The MHR is designed to work in any 12-24VDC nominal (9-36VDC max) powered equipment.

The +Vbattery pins should be connected to the positive terminal of the machine power supply

through an approved Emergency Stop device. Additionally, MHR +Vbattery pins should be

protected by a 30A fast blow fuse. All +Vbattery pins must be connected.

-Vbattery (CON1 D2 and CON2 J1, J2, J3)

The -Vbattery connections must be made directly to the negative supply and not to a chassis

ground. All -Vbattery pins must be connected.

Machine Stop (CON1 C1, F3)

In order to ensure maximum safety of the equipment controlled by the MHR, redundant Machine

Stop outputs are provided. Each can supply a current of up to 2 Amps. In the event of an unsafe

condition, such as loss of communications, both machine stops will be enabled.

Figure 07: MHR Machine Stop Wiring

Additionally, make sure that a Machine Stop is provided elsewhere on the equipment in which the

MHR is installed in order to comply with all applicable Machinery Directives.

The MHR is equipped with a battery backup for the real time clock and calendar. Therefore,

power can be completely disconnected from the MHR when not in use.

NOTE: The backup battery is internal to the MHR and should only be replaced by the factory.

USB (CON1 A2, A3)

It is recommended that the two wires, USB+ (pin A2) and USB- (pin A3), be a twisted pair with 15

twists/meter. Use Vref Com (pin C2) for the ground connection. If you use a chassis or some

other connection for the ground connection of the USB, you could create a damaging ground loop

to your computer system. When plugging in an MHR receiver to a computer system, it is strongly

recommended that a USB isolation hub, like Magnetek part 195-50645, is used between the MHR

and the computer system.

Vref (CON1 C3)

Vref is a 5V, 100mA max supply provided for the user to power sensors or peripheral interface

devices used with the MHR. To ensure a clean power source, do not use the chassis as the

negative terminal; use pin C2 Vref Com instead.

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Magnetek Enrange CAN-6 Technical Information Seite 17