Thermon TraceNet TCM 18 - Manual (Page 94)

Appendix E Utilities
The TCM18 has several utility functions which may be found to be useful on occa-
sion.
Touch Pad Key
Sequence Programmable Circuit Functions
PROG plus
ALARM ACK plus
ALARM ACK This display screen shows the internal RTD high tem-
perature reference resistor and low temperature refer-
ence resistor “readings” for each PCTM module. The
fourth line shows firmware versions, first Master, then
each PCTM module.
PROG plus
ALARM ACK plus
CONFIG This display screen allows adjustment of relay ‘coil’
drive voltage and the control use of the AUX IN con-
tact closure. Relay drive voltages are 12 or 24 Vdc.
AUX IN is selectable for ‘read only’ = no control, force
all circuits off, force all enabled circuits on. Note that
the state of both AUX IN and ACK IN is always read-
able over ModBus.
PROG plus
ALARM ACK plus
CONFIG plus
CONFIG This display screen allows adjustment of screen back-
light and contrast. The effect is observable while ad-
justing with UP and DWN arrow keys. Leave set at best
viewing result.
PROG plus
ALARM ACK plus
PROG This display screen allows setting of front panel keypad
password, any 4 digit value from 0000 to 9999 where
the value 0000 disables the password.
PROG plus
ALARM ACK plus
GND This display screen shows present ground leakage for
the selected circuit. It allows selection of the circuit
and setting of the offset to add to actual ground cur-
rent reading. (Note the setting range includes a wide
negative value, smaller positive values.)
PN 50316_0514 90