Electronic Theatre Controls Sensor Specifications download pdf (Page 11)

2 The Retrofit 9

Backplane Settings

Upgrade kit backplanes ship from the factory with all DIP switches in the off (down) position.

You will have to set the DIP switches on the new backplane to match your rack. You will

also have to verify the termination switch settings.

a: Set both termination switches to “Off” (middle position) for all racks except the

last rack in your system.

b: Set the termination switches for the last rack in the system to “ON” (top

position).

c: Using a precision screwdriver, set the DIP switches to match your rack type

according to:

• number of modules (12, 24, 36 or 48)

• whether the rack has Advanced Features (AF)

Use the following chart to determine your required DIP switch settings:

“On” position = switch pushed to the top

d: Check to see that the “Emergency Contact” switch is set to the appropriate

position.

• If your system has no panic circuit, the switch should be set to the middle

position, “DISABLED”.

• If your panic circuit includes a N

ormally Open contact closure, the switch

should be set to the top position (NO).

• If your panic circuit includes a N

ormally Closed contact closure, the switch

should be set to the bottom position (NC).

DIP switch Number

Rack Model 12345678

ESR3-12 On On

ESR3-12N On On On

ESR3-12AF On On On

ESR3-12AFN On On On On

ESR3-24 On On

ESR3-24N On On On

ESR3-24AF On On On

ESR3-24AFN On On On On

ESR3-36 On On

ESR3-36N On On On

ESR3-36AF On On On

ESR3-36AFN On On On On

ESR3-48 On

ESR3-48N On On

ESR3-48AF On On

ESR3-48 AFN On On On

Set termination to “Off”

(middle position)

Set DIP switches

Emergency Contact

(Panic) switch

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Electronic Theatre Controls Sensor Specifications Page 11

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