User's Manual

TM70Bi V3.2 (11/02) 1121174 L0.pdf 72
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OUTPUT 1 (VO1)
The connections of the output 1 are through 4 pole terminal plug, with the follow pin assignment:
Output 1 connector
Pin Name Function
VPP1 Power of channel 1
GND1 Ground of channel 1
VO1 Analogue output of channel 1
VR1 Zero position signal signal to get through the output 1 when the relay is inactive
OUTPUT 2 (VO2)
The connections of the output 1 are through 4 pole terminal plug, with the follow pin assignment:
Output 2 connector
Pin name Function
VPP2 Power of channel 2
GND2 Ground of channel 2
VO2 Analogue output of channel 2
VR2 Zero position signal signal to get through the output 2 when the relay is inactive
ISP (PROGRAMACION “IN CIRCUIT” / “IN SYSTEM”)
The expansion has a connector to record “In-System” (eg. Microprocessor software update). This connector has
10 pins:
ISP connector
Pin name Function
ISP2 Input connected to the ground to place the microcontroller in recording mode
TX2 Not used
RX2 Receiving data signal
GND Ground
RX1 Receiving data signal
TX1 Transmisión data signal
ISP Not used
VCC Power supply output at 3,3 V
MRNOT Reset input, active when it is connected to ground
+VI Power supply output at 12 V (not stabilized, can vary between 8 y 22 V)