24
Interpret:
0 returned means no alarms.
Bit 0 = 1 means HIGH ALARM.
Bit 1 = 1 means LOW ALARM.
Bit 2 = 1 means COMPUTER CONTROLLED ALARM.
5.
INPUT 2
Write Command:
NA
Read Command:
06 hex
Interpret:
Input 2 reading as a thermistor temperature sensor.
6.
ALARM TYPE
Write Command:
28 hex
Read Command:
41 hex
Interpret:
0 sent or returned means no alarms.
1 sent or returned means Tracking Alarm Mode.
2 sent or returned means Fixed Alarm Mode.
3 sent or returned means Computer Controlled Alarm Mode (see
write command 2f hex).
7.
INPUT2 DEFINE (the desired control temperature or “set temp” input definition)
Write Command:
29 hex
Read Command:
42 hex
Interpret:
This function tells the controller how the set-point temperature will
be communicated.
0 sent or returned means computer communicated set value.
1 sent or returned means Potentiometer Input.
2 sent or returned means 0 to 5 V Input.
3 sent or returned means 0 to 20 mA Input.
4 sent or returned means “Differential set”: Desired Control Value
= Temp2 + Computer Set.
Range of values settable via commands 20 hex & 21 hex (HIGH
ALARM SETTING and LOW ALARM SETTING).
8.
CONTROL TYPE
Write
Command:
2b
hex
Read
Command:
44
hex
Interpret:
0
is
deadband
control.
1 is PID control.
2 is computer control. With this setting, the output power sent to the
cooler is determined by sending a write command (0x1c) to
INPUT1. The range of values then becomes -120 to +120, which
corresponds to -100% output power to +100% output power.
9.
CONTROL OUTPUT POLARITY
Write Command:
2c hex
Содержание TC-24-25
Страница 12: ...Controller Wiring Diagram 12...
Страница 14: ...Mechanical Package Drawing 14...
Страница 25: ...25 Read Command 45 hex Interpret 0 is HEAT WP1 and WP2 1 is HEAT WP2 and WP1...
