Product manual

Installation

3-9

Part 1105120-01

E 2013 Nordson Corporation

Machine Stop Interlock

CAUTION: Allow only qualified personnel to service the equipment. All

power must be disconnected. Follow the safety instructions in this document

and all other related documentation.

The Machine Stop interlock (Remote I/O pins 15 and 16) can be configured

for Normal or Isolated operation on I/O boards with the DeviceNet option by

changing the J1 and J2 jumper positions on the Remote I/O circuit board.

Jumper Position Pins Description

Normal MSTOP

(15, 16)

Input compatible looking for

contact closure only. This is the

only interlock operation mode

available on controllers without

DeviceNet.

Isolated (ISO) MSTOP

(15, 16)

External 24 Vdc @ 5 mA is

required to maintain interlock

contact closure. This is available

only on controllers with DeviceNet.

See Figure 3-7. To access the Machine Stop Interlock jumpers remove the

system controller cover. The jumpers are on the back of the I/O connector

circuit board.

S The signal voltage range for the Isolated Machine Stop Interlock is

20−30 volts DC.

S Both jumpers must be set to one of the two positions as shown in

Figure 3-7.

CAUTION: Any other jumper combination is invalid and will cause damage.

NORMAL

ISO

Figure 3-7 Machine Stop Interlock Jumper Settings − Shown Set To NORMAL