Siemens SIMATIC ET 200S Operating Instructions Manual page 102

1Count24V
2.9 Position feedback
Table 2- 25 Control Interface (Outputs)
Address
Bytes 0 to 3
Byte 0
Bytes 1 to 3
Byte 4 EXTF_ACK
RES_STS
CTRL_SYN
SW_GATE
Byte 5
LOAD_PREPARE
LOAD_VAL
Bytes 6 to 7
Not used for modified user interface
1
102
Assignment
Load value direct, preparatory, comparison value 1 or 2
Behavior of DO1, DO2 of the 1Count24V
Bit 2 Bit 1 Bit 0
0 0 0
0 1
0
0 1 0
0 1 1
0
1 0
1 0 1
1 1 0
1 1 1
Bit 5 Bit 4
0 0
0 1
1 0
1 1
Bits 3, 6, and 7: Reserve = 0
Byte 1: Hysteresis DO1, DO2 (range 0 to 255)
Byte 2: Pulse duration [2ms] DO1, DO2 (range 0 to 255)
Byte 3: Reserve = 0
Bit 7: Error diagnostics acknowledgment
Bit 6: Reserve = 0
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: Reserve = 0
Bit 2: Start resetting of status bit
Bit 1: Enable synchronization
Bit 0: SW gate control bit
Bit 7: Reserve = 0
Bit 6: Reserve = 0
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: Reserve = 0
Bit 2: Reserve = 0
Bit 1: Load counter preparatory
Bit 0: Load counter direct
Reserve = 0
1
Function DO1
Output
Switch on at count ≥ comparison value
Switch on at count ≤ comparison value
Pulse on reaching the comparison value
Switch at comparison values
blocked
blocked
blocked
Function DO2
Output
Switch on at count ≥ comparison value
Switch on at count ≤ comparison value
Pulse on reaching the comparison value
Operating Instructions, 06/2010, A5E00124867-07
Technological Functions