Siemens Simatic S7-1500 - Page 323

Basics of program execution
10.2 Restrictions
S7-1500R/H redundant system
322 System Manual, 01/2024, A5E41814787-AF
Instruction
Description
OPC_UA_MethodCall
Call method
OPC_UA_NodeReleaseHandleList
Enable handles for read and write access
OPC_UA_MethodReleaseHandleList
Enable handles for method calls
OPC_UA_Disconnect
Close connection
OPC_UA_ConnectionGetStatus
Read connection status
WWW
Synchronize user pages
S_USSI
Initialize USS
FTP_CMD
Setup of FTP connections from and to an FTP server
Extended instructions
SET_TIMEZONE
1)
Set time zone
SNC_RTCB
Synchronize slave clocks
SYNC_PI
Synchronize process image input
SYNC_PO
Synchronize process image outputs
D_ACT_DP
Enable/disable DP slaves
ReconfigIOSystem
Reconfigure IO system
WR_REC
Write data record to I/O (use new instruction WRREC)
RD_REC
Read data record from I/O (use new instruction RDREC)
RCVREC
Receive data record (I-device)
PRVREC
Make data record available (I-device)
DPSYC_FR
Synchronize DP slaves/Freeze inputs
DPNRM_DG
Read diagnostics data from a DP slave
DP_TOPOL
Determine topology for DP master system
PE_WOL
Start and end energy-saving mode via WakeOnLan
PE_I_DEV
Control PROFIenergy commands in I-Device
WR_DPARM
Transfer data record
ATTACH
Attach OB to interrupt event
DETACH
Detach OB from interrupt event
Technology
All instructions for Motion Control (MC_Power, MC_Home,
MC_...)
-
Time-based IO
TIO_SYNC
Synchronize TIO modules
TIO_DI
Read in edges at digital input and associated time stamps
TIO_DQ
Output edges time-controlled at digital output
1)
Upon a call in the CPU, the instruction provides a negative return value RETVAL.
Unsupported OBs
The CPUs of the S7-1500R/H redundant system do not support the following OBs:
• Synchronous cycle interrupt OB
• OB 67 "MC-PreServo"
• OB 91 "MC-Servo"
• OB 92 "MC-Interpolator"
• OB 95 "MC-PostServo"