DRAFT
10/9/14
TriScroll 800 Inverter Vacuum Pump
10
Serial Interface Specification RS485 and
RS232
Physical level: RS232 or RS485
Maximum baud: 9600, 8 data bit, no parity, 1 stop bit.
Table 5 J1 - Serial Port
PIN
#
SIGNAL NAME
1 +5V ±5%, 50mA, with reference to pin 5
2RS232 TX
3RS232 RX
4 No Connection
5 GND
6RS485 A
7 No Connection
8RS485 B
9 No Connection
Table 6 P2 I/O-2 Port on DB9 Male Connector
PIN
#
SIGNAL NAME
1 No Connection
2 No Connection
3 No Connection
4 No Connection
5 GND
6 No Connection
7 No Connection
8 No Connection
9 VPI output +24V ±5% 400mA, with
reference to pin 5
Table 7 T-Plus Software Variables
WIN TYPE DESCRIPTION
000 Logical Start/Stop
(1=START; 0=STOP)
001 Logical Low Speed
[0=OFF / 1=ON]
008 Logical Remote/Serial Configuration
(1=REMOTE; 0=SERIAL)
102 Numerical Set Point Value
(Hz)
105 Numerical Set Point Hysteresis (%)
[0-100]
108 Numerical Baud Rate
(0-4)
[600-1200-2400-4200-9600]
117 Numerical Low Speed Adjust
(Hz)
120 Numerical Rotational Frequency Setting
[Hz] (High speed adjust)
200 Numerical Bus Current
[mA]
201 Numerical 3 Phase Voltage
[Vrms]
202 Numerical Power
[W]
203 Numerical Driving Frequency
[Hz]: (current driving
frequency)
205 Numerical Status:
❑ 0=stop
❑ 2=ramp
❑ 3=autotuning
❑ 5=normal
❑ 6=fail
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