Mobatime DTS 4801.masterclock, Instruction Manual

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Impulse line output Alternatively to the MOBALine clock line or DCF active line
DTS 4801.masterclock: 1 line
DTS 4802.masterclock: 2 lines: max. current = sum of both lines
Current: up to 1000 mA impulse current (total)
Voltage: 24 VDC (polarized) (depending on power supply)
Line modes: 1 min., ½ -min., 1/5-min., 1/8-min., 1 sec
Impulse length: 200 – 30'000 ms, approx. 50 ms resolution
Pause length: 200 – 30'000 ms, approx. 50 ms resolution
Acceleration modes: 12 h, 24 h, 1 week
Max. time deviation against internal time: +/- 1 ms
At least 23.5 VDC power supply required
DCF active line Alternatively to the MOBALine clock line or impusle clock line
DTS 4801.masterclock: 1 line
DTS 4802.masterclock: 2 lines: max. current = sum of both lines
Current: up to 1000 mA impulse current (total)
Voltage: 24 VDC (polarized) (depending on power supply)
Line modes: See diagramm in chapter 6.5.5.
Max. time deviation (pulse start) against internal time: +/- 1 ms
At least 23.5 VDC power supply required
IRIG-B output (option) With built in IF 488 interface. The line has to be run in MOBALine mode.
(Only DTS 4801 IRIG-B: Art. Nr.: 203495).
Impedance: 600

Voltage: Amplitude

2 Vp-p
Max. time deviation against internal time: +/- 15 ms, jitter < 10 ms
RS 485 line output
(Only DTS 4801).
Alternatively to serial telegrams
Number of monitored clocks: max. 31
Max. time deviation against internal time: +/- 10 ms, jitter < 10 ms
Communication RS485, 19200, 8, n, 1, no flow control,
MOBA-RS485-protocol
DCF / pulse output DCF time code or pulse output selectable.
Passive current loop
Umax = 30 VDC, I
on
= 10..15 mA, I
off
< 1 mA @20VDC
Cable length max. 30 m (not in the 3 m range of a catenary wire (railway)).
DCF output: time zone selectable
Pulse mode: second, minute, hour,
user defined interval: 1-3600sec.
Pulse length: 20 – 500 ms, jitter pulse length: +/- 2 ms
Max. time deviation against internal time: +/- 1 ms,
jitter first pulse edge < 0.5 ms
Alarm contact Opening relay contact (alarm active  contact open).
Switching load: 30 W (60 VDC or 1 A)
or 60 VA (30 VAC or 1 A)
Alarm reporting / Alarm contact see Alarm contact
Error messages E-Mail see E-Mail
SNMP-Notification see SNMP-Trap
Display see Display
Alarm LED -
Display 2 lines with up to 16 characters for the display of status information.
DC power supply 24 - 28 VDC / 1.5 A (28 V required for MOBALine)
Mains power supply 90 – 240 VAC / 50 - 60 Hz / max. 30 VA
Typical: < 5 VA @ 230 VAC (without external load)
Power supply output Nominal 28 VDC, max. 400 mA