Siemens SIMATIC S7-1500 System Manual page 323

Basics of program execution
10.2 Restrictions
Instruction
OPC_UA_MethodCall
OPC_UA_NodeReleaseHandleList
OPC_UA_MethodReleaseHandleList
OPC_UA_Disconnect
OPC_UA_ConnectionGetStatus
WWW
S_USSI
FTP_CMD
Extended instructions
SET_TIMEZONE
1)
SNC_RTCB
SYNC_PI
SYNC_PO
D_ACT_DP
ReconfigIOSystem
WR_REC
RD_REC
RCVREC
PRVREC
DPSYC_FR
DPNRM_DG
DP_TOPOL
PE_WOL
PE_I_DEV
WR_DPARM
ATTACH
DETACH
Technology
All instructions for Motion Control (MC_Power, MC_Home,
MC_...)
Time-based IO
TIO_SYNC
TIO_DI
TIO_DQ
Upon a call in the CPU, the instruction provides a negative return value RETVAL.
1)
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"
322
Description
Call method
Enable handles for read and write access
Enable handles for method calls
Close connection
Read connection status
Synchronize user pages
Initialize USS
Setup of FTP connections from and to an FTP server
Set time zone
Synchronize slave clocks
Synchronize process image input
Synchronize process image outputs
Enable/disable DP slaves
Reconfigure IO system
Write data record to I/O (use new instruction WRREC)
Read data record from I/O (use new instruction RDREC)
Receive data record (I-device)
Make data record available (I-device)
Synchronize DP slaves/Freeze inputs
Read diagnostics data from a DP slave
Determine topology for DP master system
Start and end energy-saving mode via WakeOnLan
Control PROFIenergy commands in I-Device
Transfer data record
Attach OB to interrupt event
Detach OB from interrupt event
-
Synchronize TIO modules
Read in edges at digital input and associated time stamps
Output edges time-controlled at digital output
System Manual, 01/2024, A5E41814787-AF
S7-1500R/H redundant system