Dwyer TSS2 - Manual (Page 3)

Message display
Under normal operation, the temperature of the probe selected by P4 will be
displayed, the following messages may also appear:
•Err Memory reading error.
•ErP Error of the probe not shown on the display.
•AH1 Maximum temperature alarm, probe 1.
•AL1 Minimum temperature alarm, probe 1.
•AH2 Maximum temperature alarm, probe 2.
•AL2 Minimum temperature alarm, probe 2.
•ooo Open probe.
• --- Shorted probe.
Pressing SET with UP it displays the probe not selected by P4.
When the probe not selected by P4 is displayed, it alternates its value with
message Sd1 or Sd2 depending if it is probe 1 or probe 2.
The display blinks when waiting for a value confirmation.
LED indications
Out1: Indicates relay 1 On or Off as per parameter H2. If H2=dir, with relay 1 On,
LED lit, if H2=inv, with relay 1 On, LED off. It blinks when SP1 is displayed.
Out2: Indicates relay 2 On or Off as per parameter H3. If H3=dir, with relay 2 On,
LED lit, if H3=inv, with relay 2 On, LED off. It blinks when SP2 is displayed.
Setting SP1 and SP2
• Press and release SET. The current value of order 1 is displayed.
SP1 and led OUT1 blink.
• Press UP or DOWN to increase or decrease the value.
• Press SET to confirm the new value. The actual value of order 2 will be displayed,
SP2 and LED OUT2 blink.
• Press UP or DOWN to increase or decrease the value.
• Press SET to confirm the new value and exit.
Parameter setup
• Press SET for 8 seconds. Value 0 will blink.
• With UP and DOWN input the code (factory set as 0).
• Press SET to confirm the code. If correct, the label of the first parameter will be
displayed.
• With UP or DOWN go to the desired parameter in the parameter list.
• Press SET to see the value.
• With UP or DOWN change the value to the new value as desired.
• Press SET to confirm and exit again to the parameter list. (Also to exit to the list
without parameter modification.)
• Press SET + DOWN to exit setup or wait for 1 minute.
Resetting the keyboard code
You can setup to 0 the keyboard code switching the unit off and on while pressing
the SET key.
Buzzer disconnection
Pressing SET with DOWN turns off the buzzer alarm. The message of alarm
continue appearing in the display.
Reprogramming factory values (H0)
•Access to parameter H0 as explained in parameter setup.
•Value 0 will be displayed.
•Press SET for 8 seconds. Pro will be displayed if they have been setup correctly.
•Press SET + DOWN to exit setup or wait for 1 minute.
Description Factory value
SP1 Set Point 1 10.0
SP2 Set Point 2 10.0
r0 Dependency SP1 - SP2 ind
r1 Differential for SP1 1.0
r2 Differential for SP2 1.0
r3 Band differential 1.0 1.0
r4 Lower value for SP1 -99.9
r5 Lower value for SP2 -99.9
r6 Higher value for SP1 99.9
r7 Higher value for SP2 99.9
r8 Regulation or operating mode On1
A0 Alarm differential 0.1
A1 Maximum alarm probe 1 99.9
A2 Maximum alarm probe 2 99.9
A3 Minimum alarm probe 1 99.9
A4 Minimum alarm probe 2 99.9
A5 Alarm verification time 18.0
A6 Alarm probe 1 selection AHL
A7 Alarm probe 2 selection AHL
c0 Minimum relay stop time 0
c1 Operation relay 1 dir
c2 Operation relay 2 dir
c3 Default operation relay 1 Opn
c4 Default operation relay 2 Opn
P0 Temperature scale selection ºC
P1 Calibration of probe 1 0.0
P2 Calibration of probe 2 0.0
P3 Decimal point yes
P4 Probe to be displayed sd1
P5 Number of probes 2
H0 Reprogramming 0
H1 Keyboard protection no
H2 Operation LED OUT1 dir
H3 Operation LED OUT2 dir
H4 Address for serial communication 0
H5 Access code to parameters 0
H6 Probe type Ptc