Siemens 353 - Page 234

Model Designation and Specifications UM353-1B
April 2012
13-8
Millivolt Overvoltage
Case Rear Terminals
AINU1
Case Rear Terminals
AINU2
Maximum
46 to 47 50 to 51 +/- 30 Vdc
45 to 47
48 to 47
49 to 51
52 to 51
+5/-0.7 Vdc
45, 46, 47, or 48 to
station common
49, 50, 51, or 52 to
station common
+/- 30 Vdc
Analog Input: (1)
Input Range ...................................................0-5 Vdc (standard calibration 1-5 Vdc)
Zero.................................................0-1 Vdc
Span ................................................4-5 Vdc
Type ........................................................Single ended
Accuracy ......................................................0.10 %
Resolution ....................................................0.024 %
Software Output Type ...................................Analog [configurable (default 0.0 - 100.0)]
Normal Mode Rejection................................>50dB @ 60Hz.
Input Impedance............................................>1 megohm
Maximum Continuous Input .........................+/-30 Vdc
Analog Output: (1)
Standard Calibration......................................4-20 mAdc
Zero.................................................4 mAdc +/- trim
Span ................................................16 mAdc +/- trim
Accuracy ......................................................0.10 %
Resolution ....................................................0.003 %
Software Input Type......................................Analog [configurable (default 0.0 - 100.0)]
Current Range Limits....................................2.4 to 21.6 mA dc
Signal Reference ...........................................Neg. (-) output tied to station common
Output Load ..................................................800 Ohms
Overvoltage Protection..................................30 Vdc
Digital Input: (1)
Logic “1” Range............................................15-30 Vdc
Logic “0” Range............................................0-1 Vdc
Overvoltage...................................................+/-30 Vdc
Minimum Required ON Time .......................>Scan Time
Software Output Type...................................Digital
Isolation.........................................................100 Vdc
Universal Digital Inputs: (2)
Logic “1” Range............................................4-30 Vdc
Input Current .................................................<7 mA @ 30 V
Logic “0” Range............................................0-1 Vdc
Overvoltage...................................................+/-30 Vdc
Frequency Range...........................................0 to 25,000 Hz.
Accuracy .......................................................0.03 % of reading
Minimum Operating Frequency ....................0.05 Hz.
Pulse Width ...................................................20 μsec (minimum)
Signal Types..................................................Sine Square, Pulse, Triangle, or Contact Closure
(contacts require external power)