Mobatime DTS 4801.masterclock, Instruction Manual

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A.2 Connections (rear view) DTS 4801.masterclock
DTS 4801 connections
For technical data see in Appendix “I Technical data“
Clamp Connection Description
L Mains connection phase Mains power input with rubber connector
Break point: by disconnecting the rubber connector
See Appendix I, section "Mains power supply"
Mains connection earth
N Mains connection neutral
1 DC in power Input for external DC supply
Ground
2 DC in power supply GND
DTS Extension Connection to DTS extension:
Connection length max. 0.5m.
Do only connections when power is off.
3 RS232 TXD Output for serial telegrams
Connection length max. 30m
4 RS232 RXD* Input for serial telegrams
5 GND
6 RS485 A Output for RS 485 slave clock line / serial telegrams
7 /RS485 B Output for RS 485 slave clock line / serial telegrams
8 Alarm inputs:
18-36VDC, max. 6mA current consumption, close contact.
Contact closed
 no alarm.
Length of connection max. 30m.
9 Alarm input 1
10 Common +
11 Alarm input 2
12 Common +
13 Alarm input 3
14 Common +
15 Alarm input 4
16 DCF input + DCF input e.g. for the connection of a GPS 4500 or DCF
receiver with current loop output.
17 DCF input -
18 DCF DCF or pulse output, current loop passive, Umax=30VDC,
I
on
= 10..15mA, I
off
< 1mA @20VDC
19 DCF output -
20 Slave clock line a Output for MOBALine, impulse line or DCF active line
21 Slave clock line b Output for MOBALine, impulse line or DCF active line
22 IRIG a Output for IRIG-B (Option)
23 IRIG b Output for IRIG-B (Option)
24 DC DC output for GPS 4500 or RS 485 slave clocks
28 VDC, max. 400 mA
25 DC output GND
26 Alarm relay Alarm Kontakt, öffnet bei Alarm-
Load: 30 W (60 VDC or 1A) or 60 VA (30 VAC or 1A)
27 Alarm relay
* At the moment only partly available.
!