102
ZM400 Series Indicators Service Manual
8
Option cards
8.11 AC output, 4 relays (20-240VAC) card
This card allows you control up to four 20-240VAC output solid state relays. Each
output is rated for 1 Amp with internal fuses.
Figure 8.12 Wiring examples
The use of Ztools is required to configure the AC Output option card.
TB1
Pin
Function
1
SP1-
2
SP1+
3
SP2-
4
SP2+
5
SP3-
6
SP3+
7
SP4-
8
SP4+
S1 switch settings
must all be OFF to
operate.
Specifications
Output Channels (all positions)
Switched AC
Maximum output voltage
240V rms
Minimum output voltage
20V rms
Maximum output current
1A rms
Minium output current
5mA rms
Maximum off-state voltage
500V peak
Maximum off-state leakage current
1mA rms
Maximum power dissipation
1.6 W
Load power factor for guaranteed turn-on 0.25
If the device to be controlled does not fall within
these standards it is suggested that you use a
mechanical relay for absolute circuit open and/or
closure with appropriately rated contacts for the
loading characteristics of the device.
CAUTION: For safety reasons the AC output option card can only be used in the
primary earthed stainless steel enclosure.
SCR Switch
AWT25-501901 PCBA
(K)
TB1
TB1
SP+
SP-
Hot
Neutral
Ground
AC Load
20-240 VAC
1 Amp Max
I = 1 Amp
M ax
SCR Switch
AWT25-501901 PCBA
(K)
TB1
TB1
SP+
SP-
Hot
Neutral
Ground
AC Load
20-240 VAC
1 Amp Max
I = 1 Amp
M ax
OR
AC Plug
AC Plug
Содержание ZM401
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