![background image](http://html1.mh-extra.com/html/helvar/digidim-499/digidim-499_installation-manual_2122557001.webp)
SDIM/DMX
ii
i
i
iii
DALI indicator is on for DALI power, and blinks
off for DALI activity.
SDIM indicator flashes during SDIM/DMX activity.
POWER is on to indicate power on.
1–8 are on to indicate relays 1 to 8 being on.
i =
SDIM/DMX数据线(接前级设备)
ii = SDIM/DMX数据线(接后级设备)
iii = 短接阻抗端口(如果此设备在SDIM/DMX数据
线末端)
备注: 尽量保持最短裸线长度.
EN
EN
CN
CN
CN
1
2
3
3a
3b
3c
Wire for override, if required.
Note: Maximum cable
length 50 m.
Close switch to cause level
override.
越级控制线,如需要.
备注: 最大接线长度 50米
闭合开关触发越级控制命令.
EN
CN
Do NOT connect DALI and SDIM/DMX
at the same time.
A = DALI screen (if required)
B = DALI/DIGIDIM devices
不能同时接DALI和SDIM/DMX数据线.
A = DALI屏蔽线(如需要)
B = DALI/DIGIDIM数据线
EN
CN
Status Display
EN
CN
A
B
状态指示
i =
SDIM/DMX data cable (from previous device)
ii =
SDIM/DMX data cable (to next device)
iii = Link (0Ω) for termination (if unit is at end
of SDIM/DMX cable line)
Note: Keep unscreened wire lengths to a minimum.
DALI常亮指示DALI供电,闪烁指示DALI数据.
SDIM闪烁指示SDIM/DMX数据.
POWER常亮指示POWER供电.
1-8通道亮指示相应的继电器1-8开启.
A: Relay mimics 1 to 8
B: ‘Power’ indicator
C: SDIM/DMX activity indicator
D: ‘Up’ button
E: ‘Down’ button
F: Hardware (wired) override indicator
G: DALI power / activity indicator
H: Software override indicator
A: 继电通道显示屏 1-8
B: ‘电源’指示灯
C: SDIM/DMX数据指示灯
D: ‘上’键
E: ‘下’键
F: 硬指令(外部接线)触发越级控制命令指示灯
G: DALI供电/数据指示灯
H: 软件指令触发越级控制命令指示灯
EN
Helvar Ltd
Hawley Mill,
Hawley Road
Dartford, Kent
DA2 7SY
UK
www.helvar.com
Helvar 499
8-Channel Latching Relay Unit
Doc: 7860334, issue 1
Date: 2015-07-20
Installation Guide
8-Channel Latching
Relay Unit (499)
RELAY
TERMINALS
OVERRIDE
DALI
AC
SDIM/
DMX
5
6
7
8
F
E
H
G
B
A
C
D