Siemens PXC-16 Compact Technical Reference Manual page 18

Compact Series Product Overview
36-Point Compact Series Product Diagram
Terminal Block Connection
43, 45, 47, 49
74, 76, 77, 79
75, 78
82 through 84
85 through 87 and 88 through 90
C
D
Status LEDs
RUN LED
FAULT LED
LOW BATT LED
COMM LED
RS-485 TX
RS-485 RX
DO 29 through DO 36
18 | 100
Siemens Industry, Inc.
Building Technologies
PXC-36 Features, Symbols, and Status LEDs.
Label
–
Signal Common.
Digital Input (+) (DI25 through DI28)
–
Signal Common
Island Bus Communication
CD CS
RS-485 port.
+ –
USB Host port
HMI
Human-Machine Interface port
(RS-232 8-N-1 signal, RJ-45 8 pin connector, service only, will not
dial out.)
RUN (green)
ON - Normal steady Green, unit is powered and running. May
briefly flash while processor is booting.
OFF - Error.
●
●
FAULT (red) (for future
Normal Off, not currently implemented. May be Red if processor
use)
does not complete boot.
LOW BATT (red)
ON - Error. RAM Battery (AA) is dead, low, missing or shipping tab
is not removed.
OFF - Normal operation.
COMM (yellow)
ON - Linked to Ethernet hub.
(BACnet/IP or Ethernet
OFF - No link to Ethernet hub.
TCP/IP (P2) only)
A TX (yellow)
Flashing - Transmitting information over RS-485 P1 (FLN 1) or
MS/TP FLN.
B TX (yellow)
Flashing - Transmitting information over , RS-485 P2 or BACnet
MS/TP ALN or P1 or MS/TP FLN (depending on how the port is
defined)..
A TX or B TX OFF or ON solid - No device, no connection, or bad connection.
A RX (yellow)
Flashing - Receiving information over RS-485 P1 (FLN 1) or
MS/TP FLN.
B RX (yellow)
Flashing - Receiving information over , RS-485 P2 or BACnet
MS/TP ALN or P1 or MS/TP FLN (depending on how the port is
defined).
A RX or B RX OFF or ON solid - No device, no connection, or bad connection.
DO XX
ON - Relay Energized.
Technical Reference Manual
Restricted
Indicates
24 Vac input is not present.
Power is ON, but the application firmware has not booted.
145-172
2018-09-25