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56 Network Controllers Manual

Field Wiring

TB1 1 and 2 DATA IN - Channel 2 20mA loop wiring from the

previous device. Observe polarity.

TB2 1 and 2 DATA OUT - Channel 2 20mA loop wiring to the

next device. Observe polarity.

TB3 1 and 2 DATA IN - Channel 1 20mA loop wiring from the

previous device. Observe polarity.

TB4 1 and 2 DATA OUT - Channel 1 20mA loop wiring to the

next device. Observe polarity.

TB5 24 VDC from power supply and Earth ground.

Jumper Setup

Jumper

Name

Jumper State Condition

J1 As Required Selects P2 as channel 2 I/O connector.

J2 As Required Selects P1 as channel 2 I/O connector.

J6 As Required Selects P3 as channel 1 I/O connector.

J7 As Required Selects P1 as channel 1 I/O connector.

Indicators

LD-1 Red LED. Indicates local module receiving data, channel 2.

LD-2 Red LED. Indicates local module transmitting data, channel 2.

LD-3 Red LED. Indicates module power. Extinguished, module

bypass mode, channel 2.

LD-4 Red LED. Indicates local module receiving data, channel 1.

LD-5 Red LED. Indicates local module transmitting data, channel 1.

LD-6 Red LED. Indicates module power. Extinguished, module

bypass mode, channel 1.

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EST CM1 Specifications

General