Performance - Siemens Synco 700 RMZ785 Basic Documentation

Overview
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Siemens
Building Technologies
1.7

Performance

Summary of features and functions of the RMS705B:
Features/Functions
Max. 4 connectable extension modules. Selection from:
Extension with 1 universal module RMZ785
with 8 universal inputs.
Extension with 2 universal modules RMZ787
with 4 universal inputs and 4 relay outputs each.
Extension with 2 universal modules RMZ788
with 4 universal inputs, 2 analog outputs, and 2 relay outputs each.
Universal inputs (RMS705B and extension modules)
As analog input DC 0...10 V
As analog input LG-Ni1000
As analog input Pt1000
As analog input T1
As analog input 2x LG-Ni1000
As remote setpoint adjusted input, absolute
As digital input
As pulse input
Relay outputs (RMS705B + extension modules)
Modulating outputs (RMS705B + extension modules)
Fault messages
Free fault inputs (digital or analog)
Fault status signal relay
Online trend channels
Event logger
Operating hours with maintenance message
Pulse counter with storage of 15 monthly values
Time switches (for weekdays, holidays/special days) with operation selector
Calendar
Logic block for operations (AND, NAND, OR, NOR, EXOR, EXNOR)
with operation selector
Comparator for comparing two analog variables
Universal controller with 1 heating and 1 cooling sequence \_/
General limiting function (min/max) with PI-response
Absolute or differential control
Universal setpoint shift
Remote setpoint adjuster
Setpoint changeover
Rotary step switch (lead/lag)
Changeover for 4 aggregates
Heating demand signal: Relay and modulating
Cooling demand signal: Relay and modulating
Changeover for 2-pipe system H/C
Motors with control functions for:
Motor, single-stage
Motor, two-stage
Twin motors with priority changeover
Calculators
Min., max., and average calculation.
Enthalphy calculator
Signal inverter/signal doubler
Switching and monitoring device RMS705B
Overview
RMS705B
Max. 28
(8 + 8 + 4 + 4 + 4)
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Max. 18
(6 + 4 + 4+ 2 + 2)
Max. 8
(4 + 2 + 2)
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20
2
4
4
4
4
6
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10
2
3
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2
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6
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2
2
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CE1P3124en
01.04.2010