Siemens PXC-16 Compact Technical Reference Manual page 84

Hardware Features
Unitary Equipment Controller
Electrical
Power Requirements
Power Consumption (Maximum)
A/D Resolution (analog in)
D/A Resolution (analog out)
AC Power and Digital Outputs
Communication and all other I/O
Digital Input
Digital Output
Analog Output
Analog Output
Analog Input
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Siemens Industry, Inc.
Building Technologies
Form-C (NO and NC contacts)
0 to 10 Vdc @ 1 mA max.
Resolution: 11 mV
Initial Accuracy: ±2% of full range (32°F to 122°F
(0°C to 50°C) ambient)
1K Pt RTD (375 or 385 alpha) @ 32°F Resolution: 0.08 C (375), 0.13 C (385)
Technical Reference Manual
Restricted
20 VA @ 24 Vac (18 VA on new 16 point models.)
Dry Contact/Potential Free inputs only
Supports counter inputs up to 20 Hz, minimum
Dedicated Points
Points 20-24
Class 1 Relay
125 Vac, 4A
250 Vac, 2A
Dedicated Points
Points 17-19
Initial Accuracy: ±2% of full range (32°F to 122°F
Initial Accuracy: ±2% of full range (32°F to 122°F
Voltage (0-10 Vdc) Resolution: 2.2 mV
1K Ni RTD @ 32°F (Siemens, JCI, DIN Ni 1K) Resolution: 0.05 C
10K NTC Type 2 or Type 3 Thermistor Resolution: 0.02 C to 0.10 C
100K NTC Type 2 Thermistor Resolution: 0.14 C to 0.02 C
24 Vac ±20% input @ 50/60 Hz
NEC Class 1 Power Limited
NEC Class 2
Configurable Points
Points 1-16
Contact Closure Sensing
Digital Input (10 ms settling time)
pulse duration 20 ms (open or closed)
Configurable Points
using an external relay
Points 13-16
0 to 24 Vdc, 22 mA max.
Configurable Points, 0 to 10 Vdc
Points 4-16
0 to 10 Vdc @ 1 mA max.
Resolution: 11 mV
(0°C to 50°C) ambient)
Configurable Points, 0 to 20 mA
Points 13-16
0 to 20 mA @ 650 Ω max.
Resolution: 22 µA
(0°C to 50°C) ambient)
Configurable Points
Points 1-16
Current (4-20 mA) Resolution: 4.4 µA
16 bits
10 bits
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2018-09-25