Agilent Technologies TwisTorr 305-IC Mode D'emploi page 267

Tab. 2
PIN N. SIGNAL NAME
1 +24VDC IN
2 SOFT START
3 START/STOP
4 RFU
5 INTERLOCK
6 LOW SPEED/
SPEED SETTING
7 +24VDC
OUTPUT (V+)
8 NORMAL/
SETPOINT
9 FAULT
10 EXTERNAL
FAN
11 VENT VALVE
12 ANALOG
OUTPUT
For RS232 communication:
13 TX
14 RX
For RS485 communication:
13 TX
14 RX
15 GND
Note: All potentials refer to pin 15 (GND).
TwisTorr 305-IC User Manual / 87-901-058-01
DESCRIPTION
Supply Voltage Input
Digital Input (DI) Soft Start
Digital Input (DI1) Start/Stop
Digital Input (DI2),
reserved for future use
Digital Input (DI), Interlock
Digital Input (DI); Speed
Setting
Supply Voltage Output for
digital input
Digital Output (DO1),
Normal/Setpoint
Digital Output (DO2), Fault
Digital Output for
Accessory (A1),
External Fan
Digital Output for Accessory
(B1), Vent Valve
Programmable Analog
Output (AO1);
Default setting:
Rotational Speed
RS232 COM PORT
RS232 COM PORT
RS485 COM PORT
RS485 COM PORT
Supply Voltage Input
Technical Information
Controller Operations
ELECTRIC RATING
Nominal voltage: +24 VDC;
Min voltage: +22.8 VDC;
Max voltage: +25.2 VDC;
Max absorption 7.5 A
Logic Input High Level:
Nominal Value: +24 VDC
Input range: +13 VDC to +33
VDC
Logic Input Low Level:
Nominal Value: 0 VDC
Logic Input Low Level, Nominal
Value: 0 VDC;
Input range: -33 VDC to +7 VDC,
Max current: ±5mA
Nominal voltage: +24 VDC Max
current: 30 mA
Logic Output active voltage,
Nominal value: +24 VDC;
Max current: 50 mA
Logic Output active voltage,
Nominal value: +24 VDC;
Max current: 200 mA
Analog Output 0-10 VDC;
Max current: 1 mA
Standard RS232, 8 bit no parity bit,
n.1 start bit, n.1..2 stop bit
Standard RS485, 8 bit no parity bit,
n.1 start bit, n.1..2 stop bit
8
NOTE
Refer to Fig. 52
Refer to Fig. 53
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