Communication (Rs-485 Port) - Siemens PPM-1U32.BPR Owner's Manual

Operating Environment
Temperature Monitoring Accuracy
Shipping and Storage Temperature
Operating Temperature
Humidity Range
Siemens Industry, Inc.
6 Point Digital PPMs (PPM-1U32.BPR and PPM-1U32.BPF)
±1.0°F over a range of 55°F to 95°F (13°C to 35°C) PPM-1U32.BPR and PPM-
1U32.BPF
12 Point Combination PPMs (PPM-2U3322.BPFand PPM-2U3322.BPR
±1.5F over a range of 25F- 302F (-20 to 150°C)
6 Point Analog PPMs (PPM-2U22.BPF and PPM-2U22.BPR
±1.5F over a range of 25F- 302F (-20 to 150°C)
-13°F to 158°F (-25°C to 70°C)
32°F to 122°F (0°C to 50°C)
5% to 95% rh (non-condensing)

Communication (RS-485 Port)

The RS-485 port provides a path for commands and information transmitted between
field panels or other BACnet devices. This port provides communications over an RS-
485 BACnet MS/TP network. The communication speed is set during startup using the
DIP switch.
The RS-485 port provides half-duplex, asynchronous serial RS-485 communications
over shielded twisted pair cable. The communication terminations (+ –
on the inside unit cover.
The PPM can reside on any BACnet building controller's sub network. Refer to other
device manufacturer's PICs and BIBBs to determine interoperability. Up to 32 MS/TP
devices can be supported on a BACnet/IP network*.
* The MS/TP PPM is an 1/8 load device.
Communication (RS-485 Port)
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125-5065T
2012-08-06