ASCII Time Code, RS-485 [1204-04]: Specifications
Inputs/Outputs: (1) Input, (1) Output
Signal Type and Connector: (1) RS-485 terminal block for both Input and
Output
Accuracy: ±100…1000 μs (format dependent)
Maximum Number of Cards: 6
Ordering Information: 1204-04 ASCII Time Code Module (RS-485)
Figure 5-53: Model 1204-04 option card rear plate
Pin Assignments
Table 5-24: Pin-out, RS-485 terminal block connector J1
Pin No. Signal Function
1 (left) SERIALTX_RS485+ + RS-485 data output
2 SERIALTX_RS485- - RS-485 data output
3 GND Ground
4 PPS_OUT_RS485+ + 1PPS output
5 PPS_OUT_RS485- - 1PPS output
6 SERIALRX_RS485+ + RS-485 data input
7 SERIALRX_RS485- - RS-485 data input
8 GND Ground
9 PPS_IN_RS485+ + 1PPS input
10 (right) PPS_IN _RS485- - 1PPS input
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APPENDIX