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12 Commissioning
12.1.2 Initialization of the end positions via IO-Link
1. Select automatic programming mode (parameter data
"Programming mode").
2. Briefly (>100 ms) activate programming mode (process
data "Programming mode").
ð OPEN and CLOSED LEDs flash alternately
ð High visibility LED flashes alternately green / orange
3. Open valve until end position is reached.
4. Close valve until end position is reached.
5. Programming mode is automatically terminated if the
valve does not move for 5 seconds.
ð The end positions are set.
12.1.3 End position programming via DeviceNet
Automatic programming mode:
1. Briefly (>100 ms) set output bit 6 = 1. (automatic program-
ming mode)
2. Set output bit 6 = 0.
3. Open valve until end position is reached.
4. Close valve until end position is reached.
5. Programming mode is automatically terminated if the
valve does not move for 5 seconds.
ð The end positions are set.
Manual programming mode:
6. Set output bit 5 =1. (manual programming mode)
7. Open valve until end position is reached.
8. Close valve until end position is reached.
9. Set output bit 5 = 0. (electrical position indicator in normal
operation)
ð The end positions are set.
12.1.4 Initialization of end positions via ASI
12.1.4.1 A2 version
Automatic programming mode:
1. Set DO3 = 1. (automatic programming)
2. Briefly (>100 ms) set DO2 = 1. (The product is in program-
ming mode)
3. Set DO3 = 0.
4. Open the valve until the end position is reached.
5. Close the valve until the end position is reached.
6. Electrical position indicator automatically moves to nor-
mal mode.
7. Programming mode is automatically terminated if the
valve does not move for 5 seconds.
ð The end positions are set.
ð The OPEN, CLOSED and high visibility LEDs light up de-
pending on the product.
GEMÜ 1242
Manual programming mode:
8. Set DO3 = 0. (manual programming)
9. Set DO2 = 1. (The product is in programming mode)
10. Open valve until end position is reached.
11. Close valve until end position is reached.
12. Set DO2 = 0. (The product is in normal mode)
ð The end positions are set.
ð The OPEN, CLOSED and high visibility LEDs light up de-
pending on the product.
12.1.4.2 A3 version
Automatic programming mode:
1. Set DO1 = 1. (automatic programming)
2. Briefly (>100 ms) set DO2 = 1. (The product is in program-
ming mode)
3. Open the valve until the end position is reached.
4. Close the valve until the end position is reached.
5. Programming mode is automatically terminated if the
valve does not move for five seconds.
ð The end positions are set.
ð The OPEN, CLOSED and high visibility LEDs light up de-
pending on the product.
Manual programming mode:
6. Set DO1 = 0. (manual programming)
7. Set DO2 = 1. (The product is in programming mode)
8. Open valve until end position is reached.
9. Close valve until end position is reached.
10. Set DO2 = 0. (The product is in normal mode)
ð The end positions are set.
ð The OPEN, CLOSED and high visibility LEDs light up de-
pending on the product.
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