GE IS200STTCS1A, S2A 12 thermocouples
2.2.1.2 Switches CPE400All user-accessible switches are provided as pushbuttons on the front panel, as described in the
following table.
Pushbutton Function
DISP Permits user to navigate menus in the OLED display.
SEL Permits user to select the menu item on the OLED display.
RUN Activates OLED Menu to select RUN/Enabled or RUN/Disabled Mode for the embedded PLC.
STOP Activates OLED Menu to select STOP/Enabled or STOP/Disabled Mode for the embedded PLC.
PHY PRES Not functional.
PWR Hold down for brief period to induce CPU Reset.
2.2.1.3 OLED Display
The monochrome organic light-emitting diode (OLED) display (Figure 2) is used to display operating
system menus. It measures 34.5 x 23 cm and displays 128 dots horizontally and 64 dots vertically. It
interacts with the DISP pushbutton, which jogs the cursor from one menu item to the next, and with
the SEL pushbutton, which activates the currently indicated menu item for further action.
The OLED display permits the user to:
• Display Ethernet LAN Settings: IPv4 address.
• Display the PLC firmware revision.
• Set/view PLC mode and view sweep time.
• Set the PLC mode to RUN/STOP with I/O Enabled/Disabled via the display.
Note: the RUN and STOP pushbuttons activate the PLC Mode menu items per Section 2.2.1.2
above.
• View whether all, some, or none of the PROFINET I/O devices are connected.
• Display EFA Settings: IPv4 address, subnet mask, gateway, MAC address, IPv6 address.
• Issue Field Agent Commands: Enter/Exit Configuration mode, Clear Configuration,
Perform factory reset.
• View Field Agent Status: Off, Starting, Connecting, Connected, Connected-ACT.

LED LED State Operating State
RUN36 On Green PLC is in RUN mode.
Off PLC is in STOP mode.
RUN Blinking in
unison
CPU is updating an internal programmable hardware device.
OE
PHY
PRES
On Green TPM Physical Presence (not functional).
Off
SSD On Green Activity detected on Solid State Disk.
Off No activity detected on Solid State Disk.
TEMP On Red CPU Overtemperature condition detected.
Off Overtemperature condition not detected.
OK On Green CPU has passed its power-up diagnostics and is functioning properly.
(Following initialization sequence.)
Off Power is not applied or CPU has a problem.
Blinking;
All other LEDs
off
PLC in STOP/Halt state; possible watchdog timer fault. If the programmer
cannot connect, cycle power with charged Energy Pack attached and refer
to fault tables.
OK Blinking
alternately
CPU encountered a Secure Boot Error.
OE
OE On Green Output scan is enabled.
Off Output scan is disabled.
FRC On Yellow One or more Overrides active in I/O Reference Tables.
Off No Overrides active in any I/O Reference Table.
FLT On Red PLC is in STOP/Faulted mode: a fatal fault has occurred.
Off No fatal faults detected.
IO On Green PROFINET Connection Status = OK.
Off PROFINET Connection Status not OK.
RACT On Green Active Redundant Unit (not functional).
Off
RBOK On Green Redundant Backup Unit (not functional)