Technical Data of the Digital OutputsΒΆ
Number of channels per module | 8 normally-open relay outputs |
Distribution of the channels into groups | 2 (4 channels per group) |
Connection of the channels O0 to O3 | Terminals 10 to 13 |
Connection of the channels O4 to O7 | Terminals 15 to 18 |
Reference potential for the channels O0 to O3 | Terminal 14 (signal name R0..3) |
Reference potential for the channels O4 to O7 | Terminal 19 (signal name R4..7) |
Relay coil power supply | Terminal 20 (plus pole of the process supply voltage, signal name L+). The minus pole is provided by the I/O-Bus. |
Indication of the output signals | 1 yellow LED per channel; the LED is on when the output signal is high (signal 1) and the module is powered through the I/O-Bus |
Way of operation | Non-latching type |
Relay output voltage | |
Rated value | 24 V DC or 120/240 V AC |
Output delay | |
Switching 0 to 1 (max.) | Typ. 10 ms |
Switching 1 to 0 (max.) | Typ. 10 ms |
Output current | |
Rated current per channel (max.) | 2.0 A (24 V DC / 120 V AC / 240 V AC, only resistive loads) 2.0 A (120 V AC, only pilot duty) 1.5 A (240 V AC, only pilot duty) |
Rated current per group (max.) | 8 A |
Lamp load (max.) | 200 W (230 V AC), 30 W (24 V DC) |
Spark suppression with inductive AC loads | Must be performed externally according to driven load specification |
Switching Frequencies | |
With resistive loads | Max. 1 Hz |
With inductive loads | On Request |
With lamp loads | Max. 1 Hz |
Short circuit / Overload proof | No, should be provided by an external fuse or circuit breaker |
Rated protection fuse (for each channel) | 5 A fast |
Overload message | No |
Output current limitation | No |
Connection of 2 outputs in parallel | Not possible |
Life time of relay contacts (cycles) | 100,000 at rated load |
Max. cable length | |
Shielded | 500 m |
Unshielded | 150 m |