Specifications

Analog Output Modules
330
31007715 6/2008
STB ACO 1225 Specifications
Table of
Technical
Specifications
description two single-ended nonisolated analog
current output channels
analog current range 4 ... 20 mA
resolution 10 bits
returned data format IEC
module width 13.9 mm (0.58 in)
I/O base STB XBA 1000 (see p. 391)
operating voltage range 19.2 to 30 VDC
logic bus current consumption 40 mA
nominal field power bus current consumption 90 mA, with no load
maximum output current 20 mA/channel
hot swapping supported* NIM-dependent**
reflex actions supported no
settling time 900 μs to +/- 0.1% of the final value
output response time nominal 3.0 ms plus settling time both
channels
short-circuit protection on the outputs yes
fault detection none
isolation field-to-bus 1500 VDC for 1 min
analog module-to-actuator
bus
500 VAC rms (when actuator bus is
not used for field power
integral linearity +/- 0.1% of full scale typical
differential linearity monotonic
absolute accuracy +/- 0.5% of full scale @ 25°C
temperature drift typically +/- 0.01% of full scale/ °C
operating temperature range 0 to 60°C
storage temperature -40 to 85°C
external loop supply 19.2 ... 30 VDC (from the 24 VDC
PDM)
fallback mode predefined
fallback states 4 mA on both channels
addressing requirement two words for output data
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