RX2+
COMM. CARD
RX2-
TX1+
TX1-
RX1+
RX1-
3
7
4
5
6
J1
8
ALL CIRCUITS ARE POWER-LIMITED AND SUPERVISED
SLAVE PANEL #1
2
1
TX2-
TX2+
USE SHIELDED TWISTED PAIR CABLE.
NO BRANCHES OR T-TAPS ALLOWED.
MAXIMUM DISTANCE BETWEEN CONTROL UNITS: 1 Km.
MAXIMUM CABLE RESISTANCE BETWEEN CONTROL UNITS: 40 Ohms.
MAXIMUM LOOP CURRENT (SHORT CIRCUIT):
150 mA., MAXIMUM VOLTAGE: 7.0 VDC.
SHIELDS TO BE CONNECTED ACCORDING TO SPECIFIC SYSTEM
WIRING DIAGRAMS.
NOTES:
1.
2.
3.
4.
5.
6.
MASTER PANNEL
COMM. CARD
J1
RX2-
TX1-
TX1+
RX1+
RX1-
6
7
8
5
4
RX2+
TX2-
TX2+
2
3
1
SLAVE PANEL #2
J1
TX1+
RX2+
RX2-
TX2-
TX2+
3
2
1
4
5
TX1-
RX1+
RX1-
7
6
8
COMM. CARD
TO RX1, TX1
ON SLAVE PANEL #3 - COMM. CARD
FROM RX2, TX2
ON LAST SLAVE PANEL - COMM. CARD
(OMIT THIS LINK FOR STUB OPERATION)
POWER-LIMITED CIRCUITS
7. MINIMUM DETECTED GROUND FAULT IMPEDANCE IS 10K OHMS.
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