Technical data

Table Of Contents
Diagnostic Data
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
32-5
Digital Input Channel
Diagnostic byte for a digital input channel:
Bit Meaning Remarks
0 Configuration/parameter
assignment error
Can be signaled by SFC 52 and EVENTN = W#16#8x70
1 Ground error Can be signaled by SFC 52 and EVENTN = W#16#8x71
2 P short circuit (sensor) Can be signaled by SFC 52 and EVENTN = W#16#8x72
3 M short circuit Can be signaled by SFC 52 and EVENTN = W#16#8x73
4 Wire break Can be signaled by SFC 52 and EVENTN = W#16#8x74
5 No sensor power supply Can be signaled by SFC 52 and EVENTN = W#16#8x75
6 0 Reserved
7 0 Reserved
Digital Output Channel
Diagnostic byte for a digital output channel:
Bit Meaning Remarks
0 Configuration/parameter
assignment error
Can be signaled by SFC 52 and EVENTN = W#16#8x80
1 Ground error Can be signaled by SFC 52 and EVENTN = W#16#8x81
2 P short circuit Can be signaled by SFC 52 and EVENTN = W#16#8x82
3 M short circuit Can be signaled by SFC 52 and EVENTN = W#16#8x83
4 Wire break Can be signaled by SFC 52 and EVENTN = W#16#8x84
5 Fuse tripped Can be signaled by SFC 52 and EVENTN = W#16#8x86
6 No load voltage Can be signaled by SFC 52 and EVENTN = W#16#8x86
7 Over temperature Can be signaled by SFC 52 and EVENTN = W#16#8x87