Ritron DATAFLOW RTU Series Technical Specifications

Summary of DATAFLOW RTU Series

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    1 a a n n a a l l o o g g a a n n d d d d i i g g i i t t a a l l i i / / o o r r f f t t e e l l e e m m e e t t r r y y s s y y s s t t e e m m r r t t u u - - 1 1 5 5 0 0 / / 4 4 5 5 0 0 r r a a d d i i o o t t e e l l e e m m e e t t r r y y u u n n i i t t s s t t e e c c h h n n i i c c a a l ...

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    2 o o w w n n e e r r i i n n f f o o r r m m a a t t i i o o n n 1 1 . . F f c c c c r r e e g g u u l l a a t t i i o o n n s s 1.1. L l i i c c e e n n s s i i n n g g the fcc requires you to obtain a station license for your dataflow rtu system before using it, but does not require an operation ...

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    3 3. C c a a u u t t i i o o n n s s 1. All digital inputs, analog inputs, analog outputs, and measurements of the dataflow rtu are referenced to ground. Do not use the dataflow rtu with equipment that requires complete isolation. 2. All dataflow rtu digital outputs are isolated latching relays. Do ...

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    4 6 g g e e n n e e r r a a l l s s p p e e c c i i f f i i c c a a t t i i o o n n s s 6.1 s s y y s s t t e e m m s s p p e e c c i i f f i i c c a a t t i i o o n n s s : : fcc id: rtu-150 - aierit04-150 rtu-450 - aierit04-450 emission designator: 10k8fid digital inputs: maximum of 6 low: program...

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    5 7.1.1 b b u u l l k k h h e e a a d d c c o o n n n n e e c c t t o o r r s s : : c c o o n n n n e e c c t t o o r r p p i i n n n n a a m m e e d d e e s s c c r r i i p p t t i i o o n n ext pwr/serial: ` 1 a serial pair a 2 b serial pair b 3 gnd loader ground 4 ldr loader connected/program ena...

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    6 paragraph to attach the mounting bracket to the case. Be sure the narrow portion of the keyhole is positioned towards the top (uhf antenna connector) of the dataflow rtu. 10. P p o o w w e e r r 10.1 the rtu power source is a user-provided external power supply meeting the following criteria: betw...

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    7 ground. The threshold level between high and low is programmed with dataflow rtu programming software. P p a a r r a a m m e e t t e e r r m m i i n n i i m m u u m m m m a a x x i i m m u u m m high programmable v 5 v programmable k ohm infinite ohm low 0 v programmable v 0 ohm programmable k ohm...

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    8 p p a a r r a a m m e e t t e e r r m m i i n n i i m m u u m m m m a a x x i i m m u u m m input range 0 ma 20 ma source impedance (ev-5)/.02 ohm absolute limits -8 ma 28 ma 15.2 all analog inputs are non-isolated. All analog measurements are referenced to ground. Take care when connecting the da...

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    9 over a rs-485 serial link. The following paragraphs describe how individual blocks of the control board operate. 17.1.1 +5v regulator: ic101 is a dc-to-dc converter which changes the vunreg input voltage to +5vdc. The +5vdc value is set by resistors r101, r102, and r103 with fb = 2.50v (pin 13). T...

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    10 passed through a low-pass filter (ic107) with a cut-off frequency of 1500 hz. The purpose of this filter is to round-off the edges of the square wave input. 17.1.13 modulation input. The data modulation for the dataflow rtu is bi-phase m. The received data from the rf board is first run through a...