Communication; Cyclic Data Exchange - Siemens SIPLUS HCS4 00 Series Configuration

3 Basics

3.2 Communication

3.2 Communication
3.2.1

Cyclic data exchange

The cyclic data exchange between heating control system and S7 is performed via
the process / I/O address area of the CPU.
Figure 3-1
SIMATIC
S7-1200
S7-1500
HCS4x00Library
Entry ID: 109478117, V2.2.1,
9 bytes (setpoints)
9 bytes (actual values)
2 bytes (control bits)
8 bytes (status bits &
U /U /U )
L12 L23 L31
2 bytes (T )
Comp
16 bytes (measured values)
2 bytes (16 dig. outputs)
1 byte (8 dig. inputs)
6 bytes (voltages)
2 bytes (control bits)
2 bytes (status bits)
12 bytes (setpoints)
12 bytes (actual values)
16 bytes (setpoints)
16 bytes (actual values)
8 words (setpoints)
8 words (actual values)
09/2018
POM4320
CIM4310
PM4000 temperature
PM4000 DI/DO
PM4000 U/I
CIM4210
POM4220 Midrange (with phase control)
POM4220 Flexible
POM4220 Lowend
POM4220 Highend
SIPLUS
HCS4300
HCS4200
14